Browse Source

replace boolT with plain old bool in a few places

nemerle 10 years ago
parent
commit
1c5e1c2fce

+ 2 - 2
CMakeLists.txt

@@ -113,11 +113,11 @@ SOURCE_GROUP(Source FILES ${dcc_SOURCES})
 SOURCE_GROUP(Headers FILES ${dcc_HEADERS})
 
 ADD_LIBRARY(dcc_lib STATIC ${dcc_LIB_SOURCES} ${dcc_HEADERS})
-cotire(dcc_lib)
+#cotire(dcc_lib)
 
 ADD_EXECUTABLE(dcc_original ${dcc_SOURCES} ${dcc_HEADERS})
 ADD_DEPENDENCIES(dcc_original dcc_lib)
-TARGET_LINK_LIBRARIES(dcc_original dcc_lib disasm_s ${REQ_LLVM_LIBRARIES})
+TARGET_LINK_LIBRARIES(dcc_original dcc_lib disasm_s ${REQ_LLVM_LIBRARIES} ncurses)
 if(dcc_build_tests)
 ADD_SUBDIRECTORY(src)
 endif()

+ 2762 - 0
CMakeScripts/cotire.cmake

@@ -0,0 +1,2762 @@
+# - cotire (compile time reducer)
+#
+# See the cotire manual for usage hints.
+#
+#=============================================================================
+# Copyright 2012 Sascha Kratky
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#=============================================================================
+
+if(__COTIRE_INCLUDED)
+	return()
+endif()
+set(__COTIRE_INCLUDED TRUE)
+
+# we need the CMake variables CMAKE_SCRIPT_MODE_FILE and CMAKE_ARGV available since 2.8.5
+# we need APPEND_STRING option for set_property available since 2.8.6
+cmake_minimum_required(VERSION 2.8.6)
+
+set (COTIRE_CMAKE_MODULE_FILE "${CMAKE_CURRENT_LIST_FILE}")
+set (COTIRE_CMAKE_MODULE_VERSION "1.1.2")
+
+include(CMakeParseArguments)
+
+function (cotire_determine_compiler_version _language _versionPrefix)
+	if (NOT ${_versionPrefix}_VERSION)
+		if (MSVC)
+			# use CMake's predefined version variable for MSVC, if available
+			if (DEFINED MSVC_VERSION)
+				set (${_versionPrefix}_VERSION "${MSVC_VERSION}")
+			else()
+				# cl.exe messes with the output streams unless the environment variable VS_UNICODE_OUTPUT is cleared
+				unset (ENV{VS_UNICODE_OUTPUT})
+				string (STRIP "${CMAKE_${_language}_COMPILER_ARG1}" _compilerArg1)
+				execute_process (COMMAND ${CMAKE_${_language}_COMPILER} ${_compilerArg1}
+					ERROR_VARIABLE _versionLine OUTPUT_QUIET TIMEOUT 10)
+				string (REGEX REPLACE ".*Version *([0-9]+(\\.[0-9]+)*).*" "\\1"
+					${_versionPrefix}_VERSION "${_versionLine}")
+			endif()
+		else()
+			# use CMake's predefined compiler version variable (available since CMake 2.8.8)
+			if (DEFINED CMAKE_${_language}_COMPILER_VERSION)
+				set (${_versionPrefix}_VERSION "${CMAKE_${_language}_COMPILER_VERSION}")
+			else()
+				# assume GCC like command line interface
+				string (STRIP "${CMAKE_${_language}_COMPILER_ARG1}" _compilerArg1)
+				execute_process (COMMAND ${CMAKE_${_language}_COMPILER} ${_compilerArg1} "-dumpversion"
+					OUTPUT_VARIABLE ${_versionPrefix}_VERSION
+					OUTPUT_STRIP_TRAILING_WHITESPACE TIMEOUT 10)
+			endif()
+		endif()
+		if (${_versionPrefix}_VERSION)
+			set (${_versionPrefix}_VERSION "${${_versionPrefix}_VERSION}" CACHE INTERNAL "${_language} compiler version")
+		endif()
+		set (${_versionPrefix}_VERSION "${${_versionPrefix}_VERSION}" PARENT_SCOPE)
+		if (COTIRE_DEBUG)
+			message (STATUS "${CMAKE_${_language}_COMPILER} version ${${_versionPrefix}_VERSION}")
+		endif()
+	endif()
+endfunction()
+
+function (cotire_get_source_file_extension _sourceFile _extVar)
+	# get_filename_component returns extension from first occurrence of . in file name
+	# this function computes the extension from last occurrence of . in file name
+	string (FIND "${_sourceFile}" "." _index REVERSE)
+	if (_index GREATER -1)
+		math (EXPR _index "${_index} + 1")
+		string (SUBSTRING "${_sourceFile}" ${_index} -1 _sourceExt)
+	else()
+		set (_sourceExt "")
+	endif()
+	set (${_extVar} "${_sourceExt}" PARENT_SCOPE)
+endfunction()
+
+macro (cotire_check_is_path_relative_to _path _isRelativeVar)
+	set (${_isRelativeVar} FALSE)
+	if (IS_ABSOLUTE "${_path}")
+		foreach (_dir ${ARGN})
+			file (RELATIVE_PATH _relPath "${_dir}" "${_path}")
+			if (NOT _relPath OR (NOT IS_ABSOLUTE "${_relPath}" AND NOT "${_relPath}" MATCHES "^\\.\\."))
+				set (${_isRelativeVar} TRUE)
+				break()
+			endif()
+		endforeach()
+	endif()
+endmacro()
+
+function (cotire_filter_language_source_files _language _sourceFilesVar _excludedSourceFilesVar _cotiredSourceFilesVar)
+	set (_sourceFiles "")
+	set (_excludedSourceFiles "")
+	set (_cotiredSourceFiles "")
+	if (CMAKE_${_language}_SOURCE_FILE_EXTENSIONS)
+		set (_languageExtensions "${CMAKE_${_language}_SOURCE_FILE_EXTENSIONS}")
+	else()
+		set (_languageExtensions "")
+	endif()
+	if (CMAKE_${_language}_IGNORE_EXTENSIONS)
+		set (_ignoreExtensions "${CMAKE_${_language}_IGNORE_EXTENSIONS}")
+	else()
+		set (_ignoreExtensions "")
+	endif()
+	if (COTIRE_DEBUG)
+		message (STATUS "${_language} source file extensions: ${_languageExtensions}")
+		message (STATUS "${_language} ignore extensions: ${_ignoreExtensions}")
+	endif()
+	foreach (_sourceFile ${ARGN})
+		get_source_file_property(_sourceIsHeaderOnly "${_sourceFile}" HEADER_FILE_ONLY)
+		get_source_file_property(_sourceIsExternal "${_sourceFile}" EXTERNAL_OBJECT)
+		get_source_file_property(_sourceIsSymbolic "${_sourceFile}" SYMBOLIC)
+		get_source_file_property(_sourceLanguage "${_sourceFile}" LANGUAGE)
+		set (_sourceIsFiltered FALSE)
+		if (NOT _sourceIsHeaderOnly AND NOT _sourceIsExternal AND NOT _sourceIsSymbolic)
+			cotire_get_source_file_extension("${_sourceFile}" _sourceExt)
+			if (_sourceExt)
+				list (FIND _languageExtensions "${_sourceExt}" _sourceIndex)
+				list (FIND _ignoreExtensions "${_sourceExt}" _ignoreIndex)
+				if (_sourceIndex GREATER -1 AND _ignoreIndex LESS 0)
+					set (_sourceIsFiltered TRUE)
+				endif()
+			endif()
+		endif()
+		if (COTIRE_DEBUG)
+			message (STATUS "${_sourceFile} filtered=${_sourceIsFiltered} language=${_sourceLanguage} header=${_sourceIsHeaderOnly}")
+		endif()
+		if (_sourceIsFiltered)
+			get_source_file_property(_sourceIsExcluded "${_sourceFile}" COTIRE_EXCLUDED)
+			get_source_file_property(_sourceIsCotired "${_sourceFile}" COTIRE_TARGET)
+			get_source_file_property(_sourceCompileFlags "${_sourceFile}" COMPILE_FLAGS)
+			if (COTIRE_DEBUG)
+				message (STATUS "${_sourceFile} excluded=${_sourceIsExcluded} cotired=${_sourceIsCotired}")
+			endif()
+			if (_sourceIsCotired)
+				list (APPEND _cotiredSourceFiles "${_sourceFile}")
+			elseif (_sourceIsExcluded OR _sourceCompileFlags)
+				list (APPEND _excludedSourceFiles "${_sourceFile}")
+			else()
+				list (APPEND _sourceFiles "${_sourceFile}")
+			endif()
+		endif()
+	endforeach()
+	if (COTIRE_DEBUG)
+		message (STATUS "All: ${ARGN}")
+		message (STATUS "${_language}: ${_sourceFiles}")
+		message (STATUS "Excluded: ${_excludedSourceFiles}")
+		message (STATUS "Cotired: ${_cotiredSourceFiles}")
+	endif()
+	set (${_sourceFilesVar} ${_sourceFiles} PARENT_SCOPE)
+	set (${_excludedSourceFilesVar} ${_excludedSourceFiles} PARENT_SCOPE)
+	set (${_cotiredSourceFilesVar} ${_cotiredSourceFiles} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_objects_with_property_on _filteredObjectsVar _property _type)
+	set (_filteredObjects "")
+	foreach (_object ${ARGN})
+		get_property(_isSet ${_type} "${_object}" PROPERTY ${_property} SET)
+		if (_isSet)
+			get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+			if (_propertyValue)
+				list (APPEND _filteredObjects "${_object}")
+			endif()
+		endif()
+	endforeach()
+	set (${_filteredObjectsVar} ${_filteredObjects} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_objects_with_property_off _filteredObjectsVar _property _type)
+	set (_filteredObjects "")
+	foreach (_object ${ARGN})
+		get_property(_isSet ${_type} "${_object}" PROPERTY ${_property} SET)
+		if (_isSet)
+			get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+			if (NOT _propertyValue)
+				list (APPEND _filteredObjects "${_object}")
+			endif()
+		endif()
+	endforeach()
+	set (${_filteredObjectsVar} ${_filteredObjects} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_file_property_values _valuesVar _property)
+	set (_values "")
+	foreach (_sourceFile ${ARGN})
+		get_source_file_property(_propertyValue "${_sourceFile}" ${_property})
+		if (_propertyValue)
+			list (APPEND _values "${_propertyValue}")
+		endif()
+	endforeach()
+	set (${_valuesVar} ${_values} PARENT_SCOPE)
+endfunction()
+
+function (cotrie_resolve_config_properites _configurations _propertiesVar)
+	set (_properties "")
+	foreach (_property ${ARGN})
+		if ("${_property}" MATCHES "<CONFIG>")
+			foreach (_config ${_configurations})
+				string (TOUPPER "${_config}" _upperConfig)
+				string (REPLACE "<CONFIG>" "${_upperConfig}" _configProperty "${_property}")
+				list (APPEND _properties ${_configProperty})
+			endforeach()
+		else()
+			list (APPEND _properties ${_property})
+		endif()
+	endforeach()
+	set (${_propertiesVar} ${_properties} PARENT_SCOPE)
+endfunction()
+
+function (cotrie_copy_set_properites _configurations _type _source _target)
+	cotrie_resolve_config_properites("${_configurations}" _properties ${ARGN})
+	foreach (_property ${_properties})
+		get_property(_isSet ${_type} ${_source} PROPERTY ${_property} SET)
+		if (_isSet)
+			get_property(_propertyValue ${_type} ${_source} PROPERTY ${_property})
+			set_property(${_type} ${_target} PROPERTY ${_property} "${_propertyValue}")
+		endif()
+	endforeach()
+endfunction()
+
+function (cotire_filter_compile_flags _flagFilter _matchedOptionsVar _unmatchedOptionsVar)
+	if (MSVC)
+		set (_flagPrefix "[/-]")
+	else()
+		set (_flagPrefix "--?")
+	endif()
+	set (_optionFlag "")
+	set (_matchedOptions "")
+	set (_unmatchedOptions "")
+	foreach (_compileFlag ${ARGN})
+		if (_compileFlag)
+			if (_optionFlag AND NOT "${_compileFlag}" MATCHES "^${_flagPrefix}")
+				# option with separate argument
+				list (APPEND _matchedOptions "${_compileFlag}")
+				set (_optionFlag "")
+			elseif ("${_compileFlag}" MATCHES "^(${_flagPrefix})(${_flagFilter})$")
+				# remember option
+				set (_optionFlag "${CMAKE_MATCH_2}")
+			elseif ("${_compileFlag}" MATCHES "^(${_flagPrefix})(${_flagFilter})(.+)$")
+				# option with joined argument
+				list (APPEND _matchedOptions "${CMAKE_MATCH_3}")
+				set (_optionFlag "")
+			else()
+				# flush remembered option
+				if (_optionFlag)
+					list (APPEND _matchedOptions "${_optionFlag}")
+					set (_optionFlag "")
+				endif()
+				# add to unfiltered options
+				list (APPEND _unmatchedOptions "${_compileFlag}")
+			endif()
+		endif()
+	endforeach()
+	if (_optionFlag)
+		list (APPEND _matchedOptions "${_optionFlag}")
+	endif()
+	if (COTIRE_DEBUG)
+		message (STATUS "Filter ${_flagFilter}")
+		if (_matchedOptions)
+			message (STATUS "Matched ${_matchedOptions}")
+		endif()
+		if (_unmatchedOptions)
+			message (STATUS "Unmatched ${_unmatchedOptions}")
+		endif()
+	endif()
+	set (${_matchedOptionsVar} ${_matchedOptions} PARENT_SCOPE)
+	set (${_unmatchedOptionsVar} ${_unmatchedOptions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compile_flags _config _language _directory _target _flagsVar)
+	string (TOUPPER "${_config}" _upperConfig)
+	# collect options from CMake language variables
+	set (_compileFlags "")
+	if (CMAKE_${_language}_FLAGS)
+		set (_compileFlags "${_compileFlags} ${CMAKE_${_language}_FLAGS}")
+	endif()
+	if (CMAKE_${_language}_FLAGS_${_upperConfig})
+		set (_compileFlags "${_compileFlags} ${CMAKE_${_language}_FLAGS_${_upperConfig}}")
+	endif()
+	if (_target)
+		# add option from CMake target type variable
+		get_target_property(_targetType ${_target} TYPE)
+		if (_targetType STREQUAL "MODULE_LIBRARY")
+			# flags variable for module library uses different name SHARED_MODULE
+			# (e.g., CMAKE_SHARED_MODULE_C_FLAGS)
+			set (_targetType SHARED_MODULE)
+		endif()
+		if (CMAKE_${_targetType}_${_language}_FLAGS)
+			set (_compileFlags "${_compileFlags} ${CMAKE_${_targetType}_${_language}_FLAGS}")
+		endif()
+	endif()
+	if (_directory)
+		# add_definitions may have been used to add flags to the compiler command
+		get_directory_property(_dirDefinitions DIRECTORY "${_directory}" DEFINITIONS)
+		if (_dirDefinitions)
+			set (_compileFlags "${_compileFlags} ${_dirDefinitions}")
+		endif()
+	endif()
+	if (_target)
+		# add target compile options
+		get_target_property(_targetflags ${_target} COMPILE_FLAGS)
+		if (_targetflags)
+			set (_compileFlags "${_compileFlags} ${_targetflags}")
+		endif()
+	endif()
+	if (UNIX)
+		separate_arguments(_compileFlags UNIX_COMMAND "${_compileFlags}")
+	elseif(WIN32)
+		separate_arguments(_compileFlags WINDOWS_COMMAND "${_compileFlags}")
+	else()
+		separate_arguments(_compileFlags)
+	endif()
+	# platform specific flags
+	if (APPLE)
+		get_target_property(_architectures ${_target} OSX_ARCHITECTURES_${_upperConfig})
+		if (NOT _architectures)
+			get_target_property(_architectures ${_target} OSX_ARCHITECTURES)
+		endif()
+		foreach (_arch ${_architectures})
+			list (APPEND _compileFlags "-arch" "${_arch}")
+		endforeach()
+		if (CMAKE_OSX_SYSROOT AND CMAKE_OSX_SYSROOT_DEFAULT AND CMAKE_${_language}_HAS_ISYSROOT)
+			if (NOT "${CMAKE_OSX_SYSROOT}" STREQUAL "${CMAKE_OSX_SYSROOT_DEFAULT}")
+				list (APPEND _compileFlags "-isysroot" "${CMAKE_OSX_SYSROOT}")
+			endif()
+		endif()
+		if (CMAKE_OSX_DEPLOYMENT_TARGET AND CMAKE_${_language}_OSX_DEPLOYMENT_TARGET_FLAG)
+			list (APPEND _compileFlags "${CMAKE_${_language}_OSX_DEPLOYMENT_TARGET_FLAG}${CMAKE_OSX_DEPLOYMENT_TARGET}")
+		endif()
+	endif()
+	if (COTIRE_DEBUG AND _compileFlags)
+		message (STATUS "Target ${_target} compile flags ${_compileFlags}")
+	endif()
+	set (${_flagsVar} ${_compileFlags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_include_directories _config _language _directory _target _includeDirsVar)
+	set (_includeDirs "")
+	# default include dirs
+	if (CMAKE_INCLUDE_CURRENT_DIR)
+		list (APPEND _includeDirs "${CMAKE_CURRENT_BINARY_DIR}")
+		list (APPEND _includeDirs "${CMAKE_CURRENT_SOURCE_DIR}")
+	endif()
+	# parse additional include directories from target compile flags
+	cotire_get_target_compile_flags("${_config}" "${_language}" "${_directory}" "${_target}" _targetFlags)
+	cotire_filter_compile_flags("I" _dirs _ignore ${_targetFlags})
+	if (_dirs)
+		list (APPEND _includeDirs ${_dirs})
+	endif()
+	# target include directories
+	get_directory_property(_dirs DIRECTORY "${_directory}" INCLUDE_DIRECTORIES)
+	if (_target)
+		get_target_property(_targetDirs ${_target} INCLUDE_DIRECTORIES)
+		if (_targetDirs)
+			list (APPEND _dirs ${_targetDirs})
+			list (REMOVE_DUPLICATES _dirs)
+		endif()
+	endif()
+	list (LENGTH _includeDirs _projectInsertIndex)
+	foreach (_dir ${_dirs})
+		if (CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE)
+			cotire_check_is_path_relative_to("${_dir}" _isRelative "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}")
+			if (_isRelative)
+				list (INSERT _includeDirs _projectInsertIndex "${_dir}")
+				math (EXPR _projectInsertIndex "${_projectInsertIndex} + 1")
+			else()
+				list (APPEND _includeDirs "${_dir}")
+			endif()
+		else()
+			list (APPEND _includeDirs "${_dir}")
+		endif()
+	endforeach()
+	list (REMOVE_DUPLICATES _includeDirs)
+	if (CMAKE_${_language}_IMPLICIT_INCLUDE_DIRECTORIES)
+		list (REMOVE_ITEM _includeDirs ${CMAKE_${_language}_IMPLICIT_INCLUDE_DIRECTORIES})
+	endif()
+	if (COTIRE_DEBUG AND _includeDirs)
+		message (STATUS "Target ${_target} include dirs ${_includeDirs}")
+	endif()
+	set (${_includeDirsVar} ${_includeDirs} PARENT_SCOPE)
+endfunction()
+
+macro (cotire_make_C_identifier _identifierVar _str)
+	# mimic CMake SystemTools::MakeCindentifier behavior
+	if ("${_str}" MATCHES "^[0-9].+$")
+		set (_str "_${str}")
+	endif()
+	string (REGEX REPLACE "[^a-zA-Z0-9]" "_" ${_identifierVar} "${_str}")
+endmacro()
+
+function (cotire_get_target_export_symbol _target _exportSymbolVar)
+	set (_exportSymbol "")
+	get_target_property(_targetType ${_target} TYPE)
+	get_target_property(_enableExports ${_target} ENABLE_EXPORTS)
+	if (_targetType MATCHES "(SHARED|MODULE)_LIBRARY" OR
+		(_targetType STREQUAL "EXECUTABLE" AND _enableExports))
+		get_target_property(_exportSymbol ${_target} DEFINE_SYMBOL)
+		if (NOT _exportSymbol)
+			set (_exportSymbol "${_target}_EXPORTS")
+		endif()
+		cotire_make_C_identifier(_exportSymbol "${_exportSymbol}")
+	endif()
+	set (${_exportSymbolVar} ${_exportSymbol} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compile_definitions _config _language _directory _target _definitionsVar)
+	string (TOUPPER "${_config}" _upperConfig)
+	set (_configDefinitions "")
+	# CMAKE_INTDIR for multi-configuration build systems
+	if (NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
+		list (APPEND _configDefinitions "CMAKE_INTDIR=\"${_config}\"")
+	endif()
+	# target export define symbol
+	cotire_get_target_export_symbol("${_target}" _defineSymbol)
+	if (_defineSymbol)
+		list (APPEND _configDefinitions "${_defineSymbol}")
+	endif()
+	# directory compile definitions
+	get_directory_property(_definitions DIRECTORY "${_directory}" COMPILE_DEFINITIONS)
+	if (_definitions)
+		list (APPEND _configDefinitions ${_definitions})
+	endif()
+	get_directory_property(_definitions DIRECTORY "${_directory}" COMPILE_DEFINITIONS_${_upperConfig})
+	if (_definitions)
+		list (APPEND _configDefinitions ${_definitions})
+	endif()
+	# target compile definitions
+	get_target_property(_definitions ${_target} COMPILE_DEFINITIONS)
+	if (_definitions)
+		list (APPEND _configDefinitions ${_definitions})
+	endif()
+	get_target_property(_definitions ${_target} COMPILE_DEFINITIONS_${_upperConfig})
+	if (_definitions)
+		list (APPEND _configDefinitions ${_definitions})
+	endif()
+	# parse additional compile definitions from target compile flags
+	# and don't look at directory compile definitions, which we already handled
+	cotire_get_target_compile_flags("${_config}" "${_language}" "" "${_target}" _targetFlags)
+	cotire_filter_compile_flags("D" _definitions _ignore ${_targetFlags})
+	if (_definitions)
+		list (APPEND _configDefinitions ${_definitions})
+	endif()
+	list (REMOVE_DUPLICATES _configDefinitions)
+	if (COTIRE_DEBUG AND _configDefinitions)
+		message (STATUS "Target ${_target} compile definitions ${_configDefinitions}")
+	endif()
+	set (${_definitionsVar} ${_configDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compiler_flags _config _language _directory _target _compilerFlagsVar)
+	# parse target compile flags omitting compile definitions and include directives
+	cotire_get_target_compile_flags("${_config}" "${_language}" "${_directory}" "${_target}" _targetFlags)
+	cotire_filter_compile_flags("[ID]" _ignore _compilerFlags ${_targetFlags})
+	if (COTIRE_DEBUG AND _compileFlags)
+		message (STATUS "Target ${_target} compiler flags ${_compileFlags}")
+	endif()
+	set (${_compilerFlagsVar} ${_compilerFlags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_sys_root_paths _pathsVar)
+	if (APPLE)
+		if (CMAKE_OSX_SYSROOT AND CMAKE_${_language}_HAS_ISYSROOT)
+			foreach (_path IN LISTS ${_pathsVar})
+				if (IS_ABSOLUTE "${_path}")
+					get_filename_component(_path "${CMAKE_OSX_SYSROOT}/${_path}" ABSOLUTE)
+					if (EXISTS "${_path}")
+						list (APPEND ${_pathsVar} "${_path}")
+					endif()
+				endif()
+			endforeach()
+		endif()
+	endif()
+	set (${_pathsVar} ${${_pathsVar}} PARENT_SCOPE)
+	if (COTIRE_DEBUG)
+		message (STATUS "${_pathsVar}=${${_pathsVar}}")
+	endif()
+endfunction()
+
+function (cotire_get_source_extra_properties _sourceFile _pattern _resultVar)
+	set (_extraProperties ${ARGN})
+	set (_result "")
+	if (_extraProperties)
+		list (FIND _extraProperties "${_sourceFile}" _index)
+		if (_index GREATER -1)
+			math (EXPR _index "${_index} + 1")
+			list (LENGTH _extraProperties _len)
+			math (EXPR _len "${_len} - 1")
+			foreach (_index RANGE ${_index} ${_len})
+				list (GET _extraProperties ${_index} _value)
+				if ("${_value}" MATCHES "${_pattern}")
+					list (APPEND _result "${_value}")
+				else()
+					break()
+				endif()
+			endforeach()
+		endif()
+	endif()
+	set (${_resultVar} ${_result} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_compile_definitions _config _language _sourceFile _definitionsVar)
+	set (_compileDefinitions "")
+	if (NOT CMAKE_SCRIPT_MODE_FILE)
+		string (TOUPPER "${_config}" _upperConfig)
+		get_source_file_property(_definitions "${_sourceFile}" COMPILE_DEFINITIONS)
+		if (_definitions)
+			list (APPEND _compileDefinitions ${_definitions})
+		endif()
+		get_source_file_property(_definitions "${_sourceFile}" COMPILE_DEFINITIONS_${_upperConfig})
+		if (_definitions)
+			list (APPEND _compileDefinitions ${_definitions})
+		endif()
+	endif()
+	cotire_get_source_extra_properties("${_sourceFile}" "^[a-zA-Z0-9_]+(=.*)?$" _definitions ${ARGN})
+	if (_definitions)
+		list (APPEND _compileDefinitions ${_definitions})
+	endif()
+	if (COTIRE_DEBUG AND _compileDefinitions)
+		message (STATUS "Source ${_sourceFile} compile definitions ${_compileDefinitions}")
+	endif()
+	set (${_definitionsVar} ${_compileDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_files_compile_definitions _config _language _definitionsVar)
+	set (_configDefinitions "")
+	foreach (_sourceFile ${ARGN})
+		cotire_get_source_compile_definitions("${_config}" "${_language}" "${_sourceFile}" _sourceDefinitions)
+		if (_sourceDefinitions)
+			list (APPEND _configDefinitions "${_sourceFile}" ${_sourceDefinitions} "-")
+		endif()
+	endforeach()
+	set (${_definitionsVar} ${_configDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_undefs _sourceFile _property _sourceUndefsVar)
+	set (_sourceUndefs "")
+	if (NOT CMAKE_SCRIPT_MODE_FILE)
+		get_source_file_property(_undefs "${_sourceFile}" ${_property})
+		if (_undefs)
+			list (APPEND _sourceUndefs ${_undefs})
+		endif()
+	endif()
+	cotire_get_source_extra_properties("${_sourceFile}" "^[a-zA-Z0-9_]+$" _undefs ${ARGN})
+	if (_undefs)
+		list (APPEND _sourceUndefs ${_undefs})
+	endif()
+	if (COTIRE_DEBUG AND _sourceUndefs)
+		message (STATUS "Source ${_sourceFile} ${_property} undefs ${_sourceUndefs}")
+	endif()
+	set (${_sourceUndefsVar} ${_sourceUndefs} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_files_undefs _property _sourceUndefsVar)
+	set (_sourceUndefs "")
+	foreach (_sourceFile ${ARGN})
+		cotire_get_source_undefs("${_sourceFile}" ${_property} _undefs)
+		if (_undefs)
+			list (APPEND _sourceUndefs "${_sourceFile}" ${_undefs} "-")
+		endif()
+	endforeach()
+	set (${_sourceUndefsVar} ${_sourceUndefs} PARENT_SCOPE)
+endfunction()
+
+macro (cotire_set_cmd_to_prologue _cmdVar)
+	set (${_cmdVar} "${CMAKE_COMMAND}")
+	list (APPEND ${_cmdVar} "-DCOTIRE_BUILD_TYPE:STRING=$<CONFIGURATION>")
+	if (COTIRE_VERBOSE)
+		list (APPEND ${_cmdVar} "-DCOTIRE_VERBOSE:BOOL=ON")
+	elseif("${CMAKE_GENERATOR}" MATCHES "Makefiles")
+		list (APPEND ${_cmdVar} "-DCOTIRE_VERBOSE:BOOL=$(VERBOSE)")
+	endif()
+endmacro()
+
+function (cotire_init_compile_cmd _cmdVar _language _compilerExe _compilerArg1)
+	if (NOT _compilerExe)
+		set (_compilerExe "${CMAKE_${_language}_COMPILER")
+	endif()
+	if (NOT _compilerArg1)
+		set (_compilerArg1 ${CMAKE_${_language}_COMPILER_ARG1})
+	endif()
+	string (STRIP "${_compilerArg1}" _compilerArg1)
+	set (${_cmdVar} "${_compilerExe}" ${_compilerArg1} PARENT_SCOPE)
+endfunction()
+
+macro (cotire_add_definitions_to_cmd _cmdVar)
+	foreach (_definition ${ARGN})
+		if (MSVC)
+			list (APPEND ${_cmdVar} "/D${_definition}")
+		else()
+			list (APPEND ${_cmdVar} "-D${_definition}")
+		endif()
+	endforeach()
+endmacro()
+
+macro (cotire_add_includes_to_cmd _cmdVar)
+	foreach (_include ${ARGN})
+		if (MSVC)
+			file (TO_NATIVE_PATH "${_include}" _include)
+			list (APPEND ${_cmdVar} "/I${_include}")
+		else()
+			list (APPEND ${_cmdVar} "-I${_include}")
+		endif()
+	endforeach()
+endmacro()
+
+macro (cotire_add_compile_flags_to_cmd _cmdVar)
+	foreach (_flag ${ARGN})
+		list (APPEND ${_cmdVar} "${_flag}")
+	endforeach()
+endmacro()
+
+function (cotire_check_file_up_to_date _fileIsUpToDateVar _file)
+	set (${_fileIsUpToDateVar} FALSE PARENT_SCOPE)
+	set (_triggerFile "")
+	foreach (_dependencyFile ${ARGN})
+		if (EXISTS "${_dependencyFile}" AND "${_dependencyFile}" IS_NEWER_THAN "${_file}")
+			set (_triggerFile "${_dependencyFile}")
+			break()
+		endif()
+	endforeach()
+	get_filename_component(_fileName "${_file}" NAME)
+	if (EXISTS "${_file}")
+		if (_triggerFile)
+			if (COTIRE_VERBOSE)
+				message (STATUS "${_fileName} update triggered by ${_triggerFile} change.")
+			endif()
+		else()
+			if (COTIRE_VERBOSE)
+				message (STATUS "${_fileName} is up-to-date.")
+			endif()
+			set (${_fileIsUpToDateVar} TRUE PARENT_SCOPE)
+		endif()
+	else()
+		if (COTIRE_VERBOSE)
+			message (STATUS "${_fileName} does not exist yet.")
+		endif()
+	endif()
+endfunction()
+
+macro (cotire_find_closest_relative_path _headerFile _includeDirs _relPathVar)
+	set (${_relPathVar} "")
+	foreach (_includeDir ${_includeDirs})
+		if (IS_DIRECTORY "${_includeDir}")
+			file (RELATIVE_PATH _relPath "${_includeDir}" "${_headerFile}")
+			if (NOT IS_ABSOLUTE "${_relPath}" AND NOT "${_relPath}" MATCHES "^\\.\\.")
+				string (LENGTH "${${_relPathVar}}" _closestLen)
+				string (LENGTH "${_relPath}" _relLen)
+				if (_closestLen EQUAL 0 OR _relLen LESS _closestLen)
+					set (${_relPathVar} "${_relPath}")
+				endif()
+			endif()
+		elseif ("${_includeDir}" STREQUAL "${_headerFile}")
+			# if path matches exactly, return short non-empty string
+			set (${_relPathVar} "1")
+			break()
+		endif()
+	endforeach()
+endmacro()
+
+macro (cotire_check_header_file_location _headerFile _insideIncudeDirs _outsideIncudeDirs _headerIsInside)
+	# check header path against ignored and honored include directories
+	cotire_find_closest_relative_path("${_headerFile}" "${_insideIncudeDirs}" _insideRelPath)
+	if (_insideRelPath)
+		# header is inside, but could be become outside if there is a shorter outside match
+		cotire_find_closest_relative_path("${_headerFile}" "${_outsideIncudeDirs}" _outsideRelPath)
+		if (_outsideRelPath)
+			string (LENGTH "${_insideRelPath}" _insideRelPathLen)
+			string (LENGTH "${_outsideRelPath}" _outsideRelPathLen)
+			if (_outsideRelPathLen LESS _insideRelPathLen)
+				set (${_headerIsInside} FALSE)
+			else()
+				set (${_headerIsInside} TRUE)
+			endif()
+		else()
+			set (${_headerIsInside} TRUE)
+		endif()
+	else()
+		# header is outside
+		set (${_headerIsInside} FALSE)
+	endif()
+endmacro()
+
+macro (cotire_check_ignore_header_file_path _headerFile _headerIsIgnoredVar)
+	if (NOT EXISTS "${_headerFile}")
+		set (${_headerIsIgnoredVar} TRUE)
+	elseif (IS_DIRECTORY "${_headerFile}")
+		set (${_headerIsIgnoredVar} TRUE)
+	elseif ("${_headerFile}" MATCHES "\\.\\.|[_-]fixed" AND "${_headerFile}" MATCHES "\\.h$")
+		# heuristic: ignore C headers with embedded parent directory references or "-fixed" or "_fixed" in path
+		# these often stem from using GCC #include_next tricks, which may break the precompiled header compilation
+		# with the error message "error: no include path in which to search for header.h"
+		set (${_headerIsIgnoredVar} TRUE)
+	else()
+		set (${_headerIsIgnoredVar} FALSE)
+	endif()
+endmacro()
+
+macro (cotire_check_ignore_header_file_ext _headerFile _ignoreExtensionsVar _headerIsIgnoredVar)
+	# check header file extension
+	cotire_get_source_file_extension("${_headerFile}" _headerFileExt)
+	set (${_headerIsIgnoredVar} FALSE)
+	if (_headerFileExt)
+		list (FIND ${_ignoreExtensionsVar} "${_headerFileExt}" _index)
+		if (_index GREATER -1)
+			set (${_headerIsIgnoredVar} TRUE)
+		endif()
+	endif()
+endmacro()
+
+macro (cotire_parse_line _line _headerFileVar _headerDepthVar)
+	if (MSVC)
+		# cl.exe /showIncludes output looks different depending on the language pack used, e.g.:
+		# English: "Note: including file:   C:\directory\file"
+		# German: "Hinweis: Einlesen der Datei:   C:\directory\file"
+		# We use a very general regular expression, relying on the presence of the : characters
+		if ("${_line}" MATCHES ":( +)([^:]+:[^:]+)$")
+			# Visual Studio compiler output
+			string (LENGTH "${CMAKE_MATCH_1}" ${_headerDepthVar})
+			get_filename_component(${_headerFileVar} "${CMAKE_MATCH_2}" ABSOLUTE)
+		else()
+			set (${_headerFileVar} "")
+			set (${_headerDepthVar} 0)
+		endif()
+	else()
+		if ("${_line}" MATCHES "^(\\.+) (.*)$")
+			# GCC like output
+			string (LENGTH "${CMAKE_MATCH_1}" ${_headerDepthVar})
+			if (IS_ABSOLUTE "${CMAKE_MATCH_2}")
+				set (${_headerFileVar} "${CMAKE_MATCH_2}")
+			else()
+				get_filename_component(${_headerFileVar} "${CMAKE_MATCH_2}" REALPATH)
+			endif()
+		else()
+			set (${_headerFileVar} "")
+			set (${_headerDepthVar} 0)
+		endif()
+	endif()
+endmacro()
+
+function (cotire_parse_includes _language _scanOutput _ignoredIncudeDirs _honoredIncudeDirs _ignoredExtensions _selectedIncludesVar _unparsedLinesVar)
+	if (WIN32)
+		# prevent CMake macro invocation errors due to backslash characters in Windows paths
+		string (REPLACE "\\" "/" _scanOutput "${_scanOutput}")
+	endif()
+	string (REPLACE ";" "\\;" _scanOutput "${_scanOutput}")
+	string (REGEX REPLACE "\n" ";" _scanOutput "${_scanOutput}")
+	list (LENGTH _scanOutput _len)
+	# remove duplicate lines to speed up parsing
+	list (REMOVE_DUPLICATES _scanOutput)
+	list (LENGTH _scanOutput _uniqueLen)
+	if (COTIRE_VERBOSE)
+		message (STATUS "Scanning ${_uniqueLen} unique lines of ${_len} for includes")
+		if (_ignoredExtensions)
+			message (STATUS "Ignored extensions: ${_ignoredExtensions}")
+		endif()
+		if (_ignoredIncudeDirs)
+			message (STATUS "Ignored paths: ${_ignoredIncudeDirs}")
+		endif()
+		if (_honoredIncudeDirs)
+			message (STATUS "Included paths: ${_honoredIncudeDirs}")
+		endif()
+	endif()
+	set (_sourceFiles ${ARGN})
+	set (_selectedIncludes "")
+	set (_unparsedLines "")
+	# stack keeps track of inside/outside project status of processed header files
+	set (_headerIsInsideStack "")
+	foreach (_line IN LISTS _scanOutput)
+		if (_line)
+			cotire_parse_line("${_line}" _headerFile _headerDepth)
+			if (_headerFile)
+				cotire_check_header_file_location("${_headerFile}" "${_ignoredIncudeDirs}" "${_honoredIncudeDirs}" _headerIsInside)
+				if (COTIRE_DEBUG)
+					message (STATUS "${_headerDepth}: ${_headerFile} ${_headerIsInside}")
+				endif()
+				# update stack
+				list (LENGTH _headerIsInsideStack _stackLen)
+				if (_headerDepth GREATER _stackLen)
+					math (EXPR _stackLen "${_stackLen} + 1")
+					foreach (_index RANGE ${_stackLen} ${_headerDepth})
+						list (APPEND _headerIsInsideStack ${_headerIsInside})
+					endforeach()
+				else()
+					foreach (_index RANGE ${_headerDepth} ${_stackLen})
+						list (REMOVE_AT _headerIsInsideStack -1)
+					endforeach()
+					list (APPEND _headerIsInsideStack ${_headerIsInside})
+				endif()
+				if (COTIRE_DEBUG)
+					message (STATUS "${_headerIsInsideStack}")
+				endif()
+				# header is a candidate if it is outside project
+				if (NOT _headerIsInside)
+					# get parent header file's inside/outside status
+					if (_headerDepth GREATER 1)
+						math (EXPR _index "${_headerDepth} - 2")
+						list (GET _headerIsInsideStack ${_index} _parentHeaderIsInside)
+					else()
+						set (_parentHeaderIsInside TRUE)
+					endif()
+					# select header file if parent header file is inside project
+					# (e.g., a project header file that includes a standard header file)
+					if (_parentHeaderIsInside)
+						cotire_check_ignore_header_file_path("${_headerFile}" _headerIsIgnored)
+						if (NOT _headerIsIgnored)
+							cotire_check_ignore_header_file_ext("${_headerFile}" _ignoredExtensions _headerIsIgnored)
+							if (NOT _headerIsIgnored)
+								list (APPEND _selectedIncludes "${_headerFile}")
+							else()
+								# fix header's inside status on stack, it is ignored by extension now
+								list (REMOVE_AT _headerIsInsideStack -1)
+								list (APPEND _headerIsInsideStack TRUE)
+							endif()
+						endif()
+						if (COTIRE_DEBUG)
+							message (STATUS "${_headerFile} ${_ignoredExtensions} ${_headerIsIgnored}")
+						endif()
+					endif()
+				endif()
+			else()
+				if (MSVC)
+					# for cl.exe do not keep unparsed lines which solely consist of a source file name
+					string (FIND "${_sourceFiles}" "${_line}" _index)
+					if (_index LESS 0)
+						list (APPEND _unparsedLines "${_line}")
+					endif()
+				else()
+					list (APPEND _unparsedLines "${_line}")
+				endif()
+			endif()
+		endif()
+	endforeach()
+	list (REMOVE_DUPLICATES _selectedIncludes)
+	set (${_selectedIncludesVar} ${_selectedIncludes} PARENT_SCOPE)
+	set (${_unparsedLinesVar} ${_unparsedLines} PARENT_SCOPE)
+endfunction()
+
+function (cotire_scan_includes _includesVar)
+	set(_options "")
+	set(_oneValueArgs COMPILER_ID COMPILER_EXECUTABLE COMPILER_VERSION LANGUAGE UNPARSED_LINES)
+	set(_multiValueArgs COMPILE_DEFINITIONS COMPILE_FLAGS INCLUDE_DIRECTORIES IGNORE_PATH INCLUDE_PATH IGNORE_EXTENSIONS)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+	if (NOT _option_LANGUAGE)
+		set (_option_LANGUAGE "CXX")
+	endif()
+	if (NOT _option_COMPILER_ID)
+		set (_option_COMPILER_ID "${CMAKE_${_option_LANGUAGE}_ID}")
+	endif()
+	set (_cmd "${_option_COMPILER_EXECUTABLE}" ${_option_COMPILER_ARG1})
+	cotire_init_compile_cmd(_cmd "${_option_LANGUAGE}" "${_option_COMPILER_EXECUTABLE}" "${_option_COMPILER_ARG1}")
+	cotire_add_definitions_to_cmd(_cmd ${_option_COMPILE_DEFINITIONS})
+	cotire_add_compile_flags_to_cmd(_cmd ${_option_COMPILE_FLAGS})
+	cotire_add_includes_to_cmd(_cmd ${_option_INCLUDE_DIRECTORIES})
+	cotire_add_makedep_flags("${_option_LANGUAGE}" "${_option_COMPILER_ID}" "${_option_COMPILER_VERSION}" _cmd)
+	# only consider existing source files for scanning
+	set (_existingSourceFiles "")
+	foreach (_sourceFile ${_sourceFiles})
+		if (EXISTS "${_sourceFile}")
+			list (APPEND _existingSourceFiles "${_sourceFile}")
+		endif()
+	endforeach()
+	if (NOT _existingSourceFiles)
+		set (${_includesVar} "" PARENT_SCOPE)
+		return()
+	endif()
+	list (APPEND _cmd ${_existingSourceFiles})
+	if (COTIRE_VERBOSE)
+		message (STATUS "execute_process: ${_cmd}")
+	endif()
+	if ("${_option_COMPILER_ID}" STREQUAL "MSVC")
+		if (COTIRE_DEBUG)
+			message (STATUS "clearing VS_UNICODE_OUTPUT")
+		endif()
+		# cl.exe messes with the output streams unless the environment variable VS_UNICODE_OUTPUT is cleared
+		unset (ENV{VS_UNICODE_OUTPUT})
+	endif()
+	execute_process(COMMAND ${_cmd} WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" OUTPUT_QUIET ERROR_VARIABLE _output)
+	cotire_parse_includes(
+		"${_option_LANGUAGE}" "${_output}"
+		"${_option_IGNORE_PATH}" "${_option_INCLUDE_PATH}"
+		"${_option_IGNORE_EXTENSIONS}"
+		_includes _unparsedLines
+		${_sourceFiles})
+	set (${_includesVar} ${_includes} PARENT_SCOPE)
+	if (_option_UNPARSED_LINES)
+		set (${_option_UNPARSED_LINES} ${_unparsedLines} PARENT_SCOPE)
+	endif()
+endfunction()
+
+macro (cotire_append_undefs _contentsVar)
+	set (_undefs ${ARGN})
+	if (_undefs)
+		list (REMOVE_DUPLICATES _undefs)
+		foreach (_definition ${_undefs})
+			list (APPEND ${_contentsVar} "#undef ${_definition}")
+		endforeach()
+	endif()
+endmacro()
+
+macro (cotire_comment_str _language _commentText _commentVar)
+	if ("${_language}" STREQUAL "CMAKE")
+		set (${_commentVar} "# ${_commentText}")
+	else()
+		set (${_commentVar} "/* ${_commentText} */")
+	endif()
+endmacro()
+
+function (cotire_write_file _language _file _contents _force)
+	get_filename_component(_moduleName "${COTIRE_CMAKE_MODULE_FILE}" NAME)
+	cotire_comment_str("${_language}" "${_moduleName} ${COTIRE_CMAKE_MODULE_VERSION} generated file" _header1)
+	cotire_comment_str("${_language}" "${_file}" _header2)
+	set (_contents "${_header1}\n${_header2}\n${_contents}")
+	if (COTIRE_DEBUG)
+		message (STATUS "${_contents}")
+	endif()
+	if (_force OR NOT EXISTS "${_file}")
+		file (WRITE "${_file}" "${_contents}")
+	else()
+		file (READ "${_file}" _oldContents)
+		if (NOT "${_oldContents}" STREQUAL "${_contents}")
+			file (WRITE "${_file}" "${_contents}")
+		else()
+			if (COTIRE_DEBUG)
+				message (STATUS "${_file} unchanged")
+			endif()
+		endif()
+	endif()
+endfunction()
+
+function (cotire_generate_unity_source _unityFile)
+	set(_options "")
+	set(_oneValueArgs LANGUAGE)
+	set(_multiValueArgs
+		DEPENDS SOURCES_COMPILE_DEFINITIONS
+		PRE_UNDEFS SOURCES_PRE_UNDEFS POST_UNDEFS SOURCES_POST_UNDEFS)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	if (_option_DEPENDS)
+		cotire_check_file_up_to_date(_unityFileIsUpToDate "${_unityFile}" ${_option_DEPENDS})
+		if (_unityFileIsUpToDate)
+			return()
+		endif()
+	endif()
+	set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+	if (NOT _option_PRE_UNDEFS)
+		set (_option_PRE_UNDEFS "")
+	endif()
+	if (NOT _option_SOURCES_PRE_UNDEFS)
+		set (_option_SOURCES_PRE_UNDEFS "")
+	endif()
+	if (NOT _option_POST_UNDEFS)
+		set (_option_POST_UNDEFS "")
+	endif()
+	if (NOT _option_SOURCES_POST_UNDEFS)
+		set (_option_SOURCES_POST_UNDEFS "")
+	endif()
+	set (_contents "")
+	if (_option_LANGUAGE AND _sourceFiles)
+		if ("${_option_LANGUAGE}" STREQUAL "CXX")
+			list (APPEND _contents "#ifdef __cplusplus")
+		elseif ("${_option_LANGUAGE}" STREQUAL "C")
+			list (APPEND _contents "#ifndef __cplusplus")
+		endif()
+	endif()
+	set (_compileUndefinitions "")
+	foreach (_sourceFile ${_sourceFiles})
+		cotire_get_source_compile_definitions(
+			"${_option_CONFIGURATION}" "${_option_LANGUAGE}" "${_sourceFile}" _compileDefinitions
+			${_option_SOURCES_COMPILE_DEFINITIONS})
+		cotire_get_source_undefs("${_sourceFile}" COTIRE_UNITY_SOURCE_PRE_UNDEFS _sourcePreUndefs ${_option_SOURCES_PRE_UNDEFS})
+		cotire_get_source_undefs("${_sourceFile}" COTIRE_UNITY_SOURCE_POST_UNDEFS _sourcePostUndefs ${_option_SOURCES_POST_UNDEFS})
+		if (_option_PRE_UNDEFS)
+			list (APPEND _compileUndefinitions ${_option_PRE_UNDEFS})
+		endif()
+		if (_sourcePreUndefs)
+			list (APPEND _compileUndefinitions ${_sourcePreUndefs})
+		endif()
+		if (_compileUndefinitions)
+			cotire_append_undefs(_contents ${_compileUndefinitions})
+			set (_compileUndefinitions "")
+		endif()
+		if (_sourcePostUndefs)
+			list (APPEND _compileUndefinitions ${_sourcePostUndefs})
+		endif()
+		if (_option_POST_UNDEFS)
+			list (APPEND _compileUndefinitions ${_option_POST_UNDEFS})
+		endif()
+		foreach (_definition ${_compileDefinitions})
+			if ("${_definition}" MATCHES "^([a-zA-Z0-9_]+)=(.+)$")
+				list (APPEND _contents "#define ${CMAKE_MATCH_1} ${CMAKE_MATCH_2}")
+				list (INSERT _compileUndefinitions 0 "${CMAKE_MATCH_1}")
+			else()
+				list (APPEND _contents "#define ${_definition}")
+				list (INSERT _compileUndefinitions 0 "${_definition}")
+			endif()
+		endforeach()
+		get_filename_component(_sourceFile "${_sourceFile}" ABSOLUTE)
+		if (WIN32)
+			file (TO_NATIVE_PATH "${_sourceFile}" _sourceFile)
+		endif()
+		list (APPEND _contents "#include \"${_sourceFile}\"")
+	endforeach()
+	if (_compileUndefinitions)
+		cotire_append_undefs(_contents ${_compileUndefinitions})
+		set (_compileUndefinitions "")
+	endif()
+	if (_option_LANGUAGE AND _sourceFiles)
+		list (APPEND _contents "#endif")
+	endif()
+	list (APPEND _contents "")
+	string (REPLACE ";" "\n" _contents "${_contents}")
+	if (COTIRE_VERBOSE)
+		message ("${_contents}")
+	endif()
+	cotire_write_file("${_option_LANGUAGE}" "${_unityFile}" "${_contents}" TRUE)
+endfunction()
+
+function (cotire_generate_prefix_header _prefixFile)
+	set(_options "")
+	set(_oneValueArgs LANGUAGE COMPILER_EXECUTABLE COMPILER_ID COMPILER_VERSION)
+	set(_multiValueArgs DEPENDS COMPILE_DEFINITIONS COMPILE_FLAGS
+		INCLUDE_DIRECTORIES IGNORE_PATH INCLUDE_PATH IGNORE_EXTENSIONS)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	if (_option_DEPENDS)
+		cotire_check_file_up_to_date(_prefixFileIsUpToDate "${_prefixFile}" ${_option_DEPENDS})
+		if (_prefixFileIsUpToDate)
+			return()
+		endif()
+	endif()
+	set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+	cotire_scan_includes(_selectedHeaders ${_sourceFiles}
+		LANGUAGE "${_option_LANGUAGE}"
+		COMPILER_EXECUTABLE "${_option_COMPILER_EXECUTABLE}"
+		COMPILER_ID "${_option_COMPILER_ID}"
+		COMPILER_VERSION "${_option_COMPILER_VERSION}"
+		COMPILE_DEFINITIONS ${_option_COMPILE_DEFINITIONS}
+		COMPILE_FLAGS ${_option_COMPILE_FLAGS}
+		INCLUDE_DIRECTORIES ${_option_INCLUDE_DIRECTORIES}
+		IGNORE_PATH ${_option_IGNORE_PATH}
+		INCLUDE_PATH ${_option_INCLUDE_PATH}
+		IGNORE_EXTENSIONS ${_option_IGNORE_EXTENSIONS}
+		UNPARSED_LINES _unparsedLines)
+	cotire_generate_unity_source("${_prefixFile}" LANGUAGE "${_option_LANGUAGE}" ${_selectedHeaders})
+	set (_unparsedLinesFile "${_prefixFile}.log")
+	if (_unparsedLines)
+		if (COTIRE_VERBOSE OR NOT _selectedHeaders)
+			list (LENGTH _unparsedLines _skippedLineCount)
+			file (RELATIVE_PATH _unparsedLinesFileRelPath "${CMAKE_BINARY_DIR}" "${_unparsedLinesFile}")
+			message (STATUS "${_skippedLineCount} line(s) skipped, see ${_unparsedLinesFileRelPath}")
+		endif()
+		string (REPLACE ";" "\n" _unparsedLines "${_unparsedLines}")
+		file (WRITE "${_unparsedLinesFile}" "${_unparsedLines}\n")
+	else()
+		file (REMOVE "${_unparsedLinesFile}")
+	endif()
+endfunction()
+
+function (cotire_add_makedep_flags _language _compilerID _compilerVersion _flagsVar)
+	set (_flags ${${_flagsVar}})
+	if ("${_compilerID}" STREQUAL "MSVC")
+		# cl.exe options used
+		# /nologo suppresses display of sign-on banner
+		# /TC treat all files named on the command line as C source files
+		# /TP treat all files named on the command line as C++ source files
+		# /EP preprocess to stdout without #line directives
+		# /showIncludes list include files
+		set (_sourceFileTypeC "/TC")
+		set (_sourceFileTypeCXX "/TP")
+		if (_flags)
+			# append to list
+			list (APPEND _flags /nologo "${_sourceFileType${_language}}" /EP /showIncludes)
+		else()
+			# return as a flag string
+			set (_flags "${_sourceFileType${_language}} /EP /showIncludes")
+		endif()
+	elseif ("${_compilerID}" STREQUAL "GNU")
+		# GCC options used
+		# -H print the name of each header file used
+		# -E invoke preprocessor
+		# -fdirectives-only do not expand macros, requires GCC >= 4.3
+		if (_flags)
+			# append to list
+			list (APPEND _flags -H -E)
+			if (NOT "${_compilerVersion}" VERSION_LESS "4.3.0")
+				list (APPEND _flags "-fdirectives-only")
+			endif()
+		else()
+			# return as a flag string
+			set (_flags "-H -E")
+			if (NOT "${_compilerVersion}" VERSION_LESS "4.3.0")
+				set (_flags "${_flags} -fdirectives-only")
+			endif()
+		endif()
+	elseif ("${_compilerID}" STREQUAL "Clang")
+		# Clang options used
+		# -H print the name of each header file used
+		# -E invoke preprocessor
+		if (_flags)
+			# append to list
+			list (APPEND _flags -H -E)
+		else()
+			# return as a flag string
+			set (_flags "-H -E")
+		endif()
+	else()
+		message (FATAL_ERROR "Unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+	endif()
+	set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_pch_compilation_flags _language _compilerID _compilerVersion _prefixFile _pchFile _hostFile _flagsVar)
+	set (_flags ${${_flagsVar}})
+	if ("${_compilerID}" STREQUAL "MSVC")
+		file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+		file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+		file (TO_NATIVE_PATH "${_hostFile}" _hostFileNative)
+		# cl.exe options used
+		# /Yc creates a precompiled header file
+		# /Fp specifies precompiled header binary file name
+		# /FI forces inclusion of file
+		# /TC treat all files named on the command line as C source files
+		# /TP treat all files named on the command line as C++ source files
+		# /Zs syntax check only
+		set (_sourceFileTypeC "/TC")
+		set (_sourceFileTypeCXX "/TP")
+		if (_flags)
+			# append to list
+			list (APPEND _flags /nologo "${_sourceFileType${_language}}"
+				"/Yc${_prefixFileNative}" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}" /Zs "${_hostFileNative}")
+		else()
+			# return as a flag string
+			set (_flags "/Yc\"${_prefixFileNative}\" /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+		endif()
+	elseif ("${_compilerID}" MATCHES "GNU|Clang")
+		# GCC / Clang options used
+		# -x specify the source language
+		# -c compile but do not link
+		# -o place output in file
+		set (_xLanguage_C "c-header")
+		set (_xLanguage_CXX "c++-header")
+		if (_flags)
+			# append to list
+			list (APPEND _flags "-x" "${_xLanguage_${_language}}" "-c" "${_prefixFile}" -o "${_pchFile}")
+		else()
+			# return as a flag string
+			set (_flags "-x ${_xLanguage_${_language}} -c \"${_prefixFile}\" -o \"${_pchFile}\"")
+		endif()
+	else()
+		message (FATAL_ERROR "Unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+	endif()
+	set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_pch_inclusion_flags _language _compilerID _compilerVersion _prefixFile _pchFile _flagsVar)
+	set (_flags ${${_flagsVar}})
+	if ("${_compilerID}" STREQUAL "MSVC")
+		file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+		file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+		# cl.exe options used
+		# /Yu uses a precompiled header file during build
+		# /Fp specifies precompiled header binary file name
+		# /FI forces inclusion of file
+		if (_flags)
+			# append to list
+			list (APPEND _flags "/Yu${_prefixFileNative}" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}")
+		else()
+			# return as a flag string
+			set (_flags "/Yu\"${_prefixFileNative}\" /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+		endif()
+	elseif ("${_compilerID}" STREQUAL "GNU")
+		# GCC options used
+		# -include process include file as the first line of the primary source file
+		# -Winvalid-pch warns if precompiled header is found but cannot be used
+		if (_flags)
+			# append to list
+			list (APPEND _flags "-include" "${_prefixFile}" "-Winvalid-pch")
+		else()
+			# return as a flag string
+			set (_flags "-include \"${_prefixFile}\" -Winvalid-pch")
+		endif()
+	elseif ("${_compilerID}" STREQUAL "Clang")
+		# Clang options used
+		# -include process include file as the first line of the primary source file
+		# -Qunused-arguments don't emit warning for unused driver arguments
+		if (_flags)
+			# append to list
+			list (APPEND _flags "-include" "${_prefixFile}" "-Qunused-arguments")
+		else()
+			# return as a flag string
+			set (_flags "-include \"${_prefixFile}\" -Qunused-arguments")
+		endif()
+	else()
+		message (FATAL_ERROR "Unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+	endif()
+	set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_precompile_prefix_header _prefixFile _pchFile _hostFile)
+	set(_options "")
+	set(_oneValueArgs COMPILER_EXECUTABLE COMPILER_ID COMPILER_VERSION LANGUAGE)
+	set(_multiValueArgs COMPILE_DEFINITIONS COMPILE_FLAGS INCLUDE_DIRECTORIES)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	if (NOT _option_LANGUAGE)
+		set (_option_LANGUAGE "CXX")
+	endif()
+	if (NOT _option_COMPILER_ID)
+		set (_option_COMPILER_ID "${CMAKE_${_option_LANGUAGE}_ID}")
+	endif()
+	cotire_init_compile_cmd(_cmd "${_option_LANGUAGE}" "${_option_COMPILER_EXECUTABLE}" "${_option_COMPILER_ARG1}")
+	cotire_add_definitions_to_cmd(_cmd ${_option_COMPILE_DEFINITIONS})
+	cotire_add_compile_flags_to_cmd(_cmd ${_option_COMPILE_FLAGS})
+	cotire_add_includes_to_cmd(_cmd ${_option_INCLUDE_DIRECTORIES})
+	cotire_add_pch_compilation_flags(
+		"${_option_LANGUAGE}" "${_option_COMPILER_ID}" "${_option_COMPILER_VERSION}"
+		"${_prefixFile}" "${_pchFile}" "${_hostFile}" _cmd)
+	if (COTIRE_VERBOSE)
+		message (STATUS "execute_process: ${_cmd}")
+	endif()
+	if ("${_option_COMPILER_ID}" STREQUAL "MSVC")
+		if (COTIRE_DEBUG)
+			message (STATUS "clearing VS_UNICODE_OUTPUT")
+		endif()
+		# cl.exe messes with the output streams unless the environment variable VS_UNICODE_OUTPUT is cleared
+		unset (ENV{VS_UNICODE_OUTPUT})
+	endif()
+	execute_process(COMMAND ${_cmd} WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" RESULT_VARIABLE _result)
+	if (_result)
+		message (FATAL_ERROR "Error ${_result} precompiling ${_prefixFile}.")
+	endif()
+endfunction()
+
+function (cotire_check_precompiled_header_support _language _target _msgVar)
+	if (MSVC)
+		# supported since Visual Studio C++ 6.0
+		# and CMake does not support an earlier version
+		set (${_msgVar} "" PARENT_SCOPE)
+	elseif ("${CMAKE_${_language}_COMPILER_ID}" STREQUAL "GNU")
+		# GCC PCH support requires GCC >= 3.4
+		cotire_determine_compiler_version("${_language}" COTIRE_${_language}_COMPILER)
+		if ("${COTIRE_${_language}_COMPILER_VERSION}" MATCHES ".+" AND
+			"${COTIRE_${_language}_COMPILER_VERSION}" VERSION_LESS "3.4.0")
+			set (${_msgVar}
+		"Precompiled headers not supported for ${_language} compiler ${CMAKE_${_language}_COMPILER_ID} version ${COTIRE_${_language}_COMPILER_VERSION}."
+				PARENT_SCOPE)
+		else()
+			set (${_msgVar} "" PARENT_SCOPE)
+		endif()
+	elseif ("${CMAKE_${_language}_COMPILER_ID}" STREQUAL "Clang")
+		# Clang has PCH support
+		set (${_msgVar} "" PARENT_SCOPE)
+	else()
+		set (${_msgVar} "Unsupported ${_language} compiler ${CMAKE_${_language}_COMPILER_ID}." PARENT_SCOPE)
+	endif()
+	if (APPLE)
+		# PCH compilation not supported by GCC / Clang when multiple build architectures (e.g., i386, x86_64) are selected
+		if (CMAKE_CONFIGURATION_TYPES)
+			set (_configs ${CMAKE_CONFIGURATION_TYPES})
+		else()
+			set (_configs ${CMAKE_BUILD_TYPE})
+		endif()
+		foreach (_config ${_configs})
+			cotire_get_target_compile_flags("${_config}" "${_language}" "${CMAKE_CURRENT_SOURCE_DIR}" "${_target}" _targetFlags)
+			cotire_filter_compile_flags("arch" _architectures _ignore ${_targetFlags})
+			list (LENGTH _architectures _numberOfArchitectures)
+			if (_numberOfArchitectures GREATER 1)
+				string (REPLACE ";" ", " _architectureStr "${_architectures}")
+				set (${_msgVar}
+					"Precompiled headers not supported on Darwin for multiple architecture builds (${_architectureStr})."
+					PARENT_SCOPE)
+				break()
+			endif()
+		endforeach()
+	endif()
+endfunction()
+
+macro (cotire_get_intermediate_dir _cotireDir)
+	get_filename_component(${_cotireDir} "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${COTIRE_INTDIR}" ABSOLUTE)
+endmacro()
+
+function (cotire_make_untiy_source_file_paths _language _target _maxIncludes _unityFilesVar)
+	set (_sourceFiles ${ARGN})
+	list (LENGTH _sourceFiles _numberOfSources)
+	set (_unityFileExt_C ".c")
+	set (_unityFileExt_CXX ".cxx")
+	if (NOT DEFINED _unityFileExt_${_language})
+		set (${_unityFileVar} "" PARENT_SCOPE)
+		return()
+	endif()
+	set (_unityFileBaseName "${_target}_${_language}${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}")
+	cotire_get_intermediate_dir(_baseDir)
+	set (_startIndex 0)
+	set (_index 0)
+	set (_unityFiles "")
+	foreach (_sourceFile ${_sourceFiles})
+		get_source_file_property(_startNew "${_sourceFile}" COTIRE_START_NEW_UNITY_SOURCE)
+		math (EXPR _unityFileCount "${_index} - ${_startIndex}")
+		if (_startNew OR (_maxIncludes GREATER 0 AND NOT _unityFileCount LESS _maxIncludes))
+			if (_index GREATER 0)
+				math (EXPR _endIndex "${_index} - 1")
+				set (_unityFileName "${_unityFileBaseName}_${_startIndex}_${_endIndex}${_unityFileExt_${_language}}")
+				list (APPEND _unityFiles "${_baseDir}/${_unityFileName}")
+			endif()
+			set (_startIndex ${_index})
+		endif()
+		math (EXPR _index "${_index} + 1")
+	endforeach()
+	if (_startIndex EQUAL 0)
+		set (_unityFileName "${_unityFileBaseName}${_unityFileExt_${_language}}")
+		list (APPEND _unityFiles "${_baseDir}/${_unityFileName}")
+	elseif (_startIndex LESS _numberOfSources)
+		math (EXPR _endIndex "${_index} - 1")
+		set (_unityFileName "${_unityFileBaseName}_${_startIndex}_${_endIndex}${_unityFileExt_${_language}}")
+		list (APPEND _unityFiles "${_baseDir}/${_unityFileName}")
+	endif()
+	set (${_unityFilesVar} ${_unityFiles} PARENT_SCOPE)
+	if (COTIRE_DEBUG)
+		message(STATUS "${_unityFiles}")
+	endif()
+endfunction()
+
+function (cotire_make_prefix_file_name _language _target _prefixFileBaseNameVar _prefixFileNameVar)
+	set (_prefixFileExt_C ".h")
+	set (_prefixFileExt_CXX ".hxx")
+	if (NOT _language)
+		set (_prefixFileBaseName "${_target}${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}")
+		set (_prefixFileName "${_prefixFileBaseName}${_prefixFileExt_C}")
+	elseif (DEFINED _prefixFileExt_${_language})
+		set (_prefixFileBaseName "${_target}_${_language}${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}")
+		set (_prefixFileName "${_prefixFileBaseName}${_prefixFileExt_${_language}}")
+	else()
+		set (_prefixFileBaseName "")
+		set (_prefixFileName "")
+	endif()
+	set (${_prefixFileBaseNameVar} "${_prefixFileBaseName}" PARENT_SCOPE)
+	set (${_prefixFileNameVar} "${_prefixFileName}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_make_prefix_file_path _language _target _prefixFileVar)
+	cotire_make_prefix_file_name("${_language}" "${_target}" _prefixFileBaseName _prefixFileName)
+	set (${_prefixFileVar} "" PARENT_SCOPE)
+	if (_prefixFileName)
+		if (NOT _language)
+			set (_language "C")
+		endif()
+		if (MSVC OR "${CMAKE_${_language}_COMPILER_ID}" MATCHES "GNU|Clang")
+			cotire_get_intermediate_dir(_baseDir)
+			set (${_prefixFileVar} "${_baseDir}/${_prefixFileName}" PARENT_SCOPE)
+		endif()
+	endif()
+endfunction()
+
+function (cotire_make_pch_file_path _language _target _pchFileVar)
+	cotire_make_prefix_file_name("${_language}" "${_target}" _prefixFileBaseName _prefixFileName)
+	set (${_pchFileVar} "" PARENT_SCOPE)
+	if (_prefixFileBaseName AND _prefixFileName)
+		cotire_check_precompiled_header_support("${_language}" "${_target}" _msg)
+		if (NOT _msg)
+			if (XCODE)
+				# For Xcode, we completely hand off the compilation of the prefix header to the IDE
+				return()
+			endif()
+			cotire_get_intermediate_dir(_baseDir)
+			if (MSVC)
+				# MSVC uses the extension .pch added to the prefix header base name
+				set (${_pchFileVar} "${_baseDir}/${_prefixFileBaseName}.pch" PARENT_SCOPE)
+			elseif ("${CMAKE_${_language}_COMPILER_ID}" MATCHES "GNU|Clang")
+				# GCC / Clang look for a precompiled header corresponding to the prefix header with the extension .gch appended
+				set (${_pchFileVar} "${_baseDir}/${_prefixFileName}.gch" PARENT_SCOPE)
+			endif()
+		endif()
+	endif()
+endfunction()
+
+function (cotire_select_unity_source_files _unityFile _sourcesVar)
+	set (_sourceFiles ${ARGN})
+	if (_sourceFiles AND "${_unityFile}" MATCHES "${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}_([0-9]+)_([0-9]+)")
+		set (_startIndex ${CMAKE_MATCH_1})
+		set (_endIndex ${CMAKE_MATCH_2})
+		list (LENGTH _sourceFiles _numberOfSources)
+		if (NOT _startIndex LESS _numberOfSources)
+			math (EXPR _startIndex "${_numberOfSources} - 1")
+		endif()
+		if (NOT _endIndex LESS _numberOfSources)
+			math (EXPR _endIndex "${_numberOfSources} - 1")
+		endif()
+		set (_files "")
+		foreach (_index RANGE ${_startIndex} ${_endIndex})
+			list (GET _sourceFiles ${_index} _file)
+			list (APPEND _files "${_file}")
+		endforeach()
+	else()
+		set (_files ${_sourceFiles})
+	endif()
+	set (${_sourcesVar} ${_files} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_unity_source_dependencies _language _target _dependencySourcesVar)
+	get_target_property(_targetSourceFiles ${_target} SOURCES)
+	set (_dependencySources "")
+	# depend on target's generated source files
+	cotire_get_objects_with_property_on(_generatedSources GENERATED SOURCE ${_targetSourceFiles})
+	if (_generatedSources)
+		# but omit all generated source files that have the COTIRE_EXCLUDED property set to true
+		cotire_get_objects_with_property_on(_excludedGeneratedSources COTIRE_EXCLUDED SOURCE ${_generatedSources})
+		if (_excludedGeneratedSources)
+			list (REMOVE_ITEM _generatedSources ${_excludedGeneratedSources})
+		endif()
+		# and omit all generated source files that have the COTIRE_DEPENDENCY property set to false explicitly
+		cotire_get_objects_with_property_off(_excludedNonDependencySources COTIRE_DEPENDENCY SOURCE ${_generatedSources})
+		if (_excludedNonDependencySources)
+			list (REMOVE_ITEM _generatedSources ${_excludedNonDependencySources})
+		endif()
+		if (_generatedSources)
+			list (APPEND _dependencySources ${_generatedSources})
+		endif()
+	endif()
+	if (COTIRE_DEBUG AND _dependencySources)
+		message (STATUS "${_language} ${_target} unity source depends on ${_dependencySources}")
+	endif()
+	set (${_dependencySourcesVar} ${_dependencySources} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_prefix_header_dependencies _language _target _dependencySourcesVar)
+	get_target_property(_targetSourceFiles ${_target} SOURCES)
+	# depend on target source files marked with custom COTIRE_DEPENDENCY property
+	set (_dependencySources "")
+	cotire_get_objects_with_property_on(_dependencySources COTIRE_DEPENDENCY SOURCE ${_targetSourceFiles})
+	if (COTIRE_DEBUG AND _dependencySources)
+		message (STATUS "${_language} ${_target} prefix header DEPENDS ${_dependencySources}")
+	endif()
+	set (${_dependencySourcesVar} ${_dependencySources} PARENT_SCOPE)
+endfunction()
+
+function (cotire_generate_target_script _language _configurations _target _targetScriptVar)
+	set (COTIRE_TARGET_SOURCES ${ARGN})
+	get_filename_component(_moduleName "${COTIRE_CMAKE_MODULE_FILE}" NAME)
+	set (_targetCotireScript "${CMAKE_CURRENT_BINARY_DIR}/${_target}_${_language}_${_moduleName}")
+	cotire_get_prefix_header_dependencies(${_language} ${_target} COTIRE_TARGET_PREFIX_DEPENDS)
+	cotire_get_unity_source_dependencies(${_language} ${_target} COTIRE_TARGET_UNITY_DEPENDS)
+	# set up variables to be configured
+	set (COTIRE_TARGET_LANGUAGE "${_language}")
+	cotire_determine_compiler_version("${COTIRE_TARGET_LANGUAGE}" COTIRE_${_language}_COMPILER)
+	get_target_property(COTIRE_TARGET_IGNORE_PATH ${_target} COTIRE_PREFIX_HEADER_IGNORE_PATH)
+	cotire_add_sys_root_paths(COTIRE_TARGET_IGNORE_PATH)
+	get_target_property(COTIRE_TARGET_INCLUDE_PATH ${_target} COTIRE_PREFIX_HEADER_INCLUDE_PATH)
+	cotire_add_sys_root_paths(COTIRE_TARGET_INCLUDE_PATH)
+	get_target_property(COTIRE_TARGET_PRE_UNDEFS ${_target} COTIRE_UNITY_SOURCE_PRE_UNDEFS)
+	get_target_property(COTIRE_TARGET_POST_UNDEFS ${_target} COTIRE_UNITY_SOURCE_POST_UNDEFS)
+	get_target_property(COTIRE_TARGET_MAXIMUM_NUMBER_OF_INCLUDES ${_target} COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES)
+	cotire_get_source_files_undefs(COTIRE_UNITY_SOURCE_PRE_UNDEFS COTIRE_TARGET_SOURCES_PRE_UNDEFS ${COTIRE_TARGET_SOURCES})
+	cotire_get_source_files_undefs(COTIRE_UNITY_SOURCE_POST_UNDEFS COTIRE_TARGET_SOURCES_POST_UNDEFS ${COTIRE_TARGET_SOURCES})
+	set (COTIRE_TARGET_CONFIGURATION_TYPES "${_configurations}")
+	foreach (_config ${_configurations})
+		string (TOUPPER "${_config}" _upperConfig)
+		cotire_get_target_include_directories(
+			"${_config}" "${_language}" "${CMAKE_CURRENT_SOURCE_DIR}" "${_target}" COTIRE_TARGET_INCLUDE_DIRECTORIES_${_upperConfig})
+		cotire_get_target_compile_definitions(
+			"${_config}" "${_language}" "${CMAKE_CURRENT_SOURCE_DIR}" "${_target}" COTIRE_TARGET_COMPILE_DEFINITIONS_${_upperConfig})
+		cotire_get_target_compiler_flags(
+			"${_config}" "${_language}" "${CMAKE_CURRENT_SOURCE_DIR}" "${_target}" COTIRE_TARGET_COMPILE_FLAGS_${_upperConfig})
+		cotire_get_source_files_compile_definitions(
+			"${_config}" "${_language}" COTIRE_TARGET_SOURCES_COMPILE_DEFINITIONS_${_upperConfig} ${COTIRE_TARGET_SOURCES})
+	endforeach()
+	get_cmake_property(_vars VARIABLES)
+	string (REGEX MATCHALL "COTIRE_[A-Za-z0-9_]+" _matchVars "${_vars}")
+	# remove COTIRE_VERBOSE which is passed as a CMake define on command line
+	list (REMOVE_ITEM _matchVars COTIRE_VERBOSE)
+	set (_contents "")
+	foreach (_var IN LISTS _matchVars ITEMS
+		MSVC CMAKE_GENERATOR CMAKE_BUILD_TYPE CMAKE_CONFIGURATION_TYPES
+		CMAKE_${_language}_COMPILER_ID CMAKE_${_language}_COMPILER CMAKE_${_language}_COMPILER_ARG1
+		CMAKE_${_language}_SOURCE_FILE_EXTENSIONS)
+		if (DEFINED ${_var})
+			string (REPLACE "\"" "\\\"" _value "${${_var}}")
+			set (_contents "${_contents}set (${_var} \"${_value}\")\n")
+		endif()
+	endforeach()
+	cotire_write_file("CMAKE" "${_targetCotireScript}" "${_contents}" FALSE)
+	set (${_targetScriptVar} "${_targetCotireScript}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_pch_file_compilation _language _targetScript _prefixFile _pchFile)
+	set (_sourceFiles ${ARGN})
+	if (MSVC)
+		# for Visual Studio, we attach the precompiled header compilation to the first source file
+		# the remaining files include the precompiled header, see cotire_setup_prefix_file_inclusion
+		if (_sourceFiles)
+			file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+			file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+			list (GET _sourceFiles 0 _hostFile)
+			set (_flags "")
+			cotire_determine_compiler_version("${_language}" COTIRE_${_language}_COMPILER)
+			cotire_add_pch_compilation_flags(
+				"${_language}" "MSVC" "${COTIRE_${_language}_COMPILER_VERSION}"
+				"${_prefixFile}" "${_pchFile}" "${_hostFile}" _flags)
+			set_property (SOURCE ${_hostFile} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+			set_property (SOURCE ${_hostFile} APPEND PROPERTY OBJECT_OUTPUTS "${_pchFile}")
+			# make first source file depend on prefix header
+			set_property (SOURCE ${_hostFile} APPEND PROPERTY OBJECT_DEPENDS "${_prefixFile}")
+		endif()
+	elseif ("${CMAKE_GENERATOR}" MATCHES "Makefiles|Ninja")
+		# for makefile based generator, we add a custom command to precompile the prefix header
+		if (_targetScript)
+			cotire_set_cmd_to_prologue(_cmds)
+			list (GET _sourceFiles 0 _hostFile)
+			list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "precompile" "${_targetScript}" "${_prefixFile}" "${_pchFile}" "${_hostFile}")
+			file (RELATIVE_PATH _pchFileRelPath "${CMAKE_BINARY_DIR}" "${_pchFile}")
+			if (COTIRE_DEBUG)
+				message (STATUS "add_custom_command: OUTPUT ${_pchFile} ${_cmds} DEPENDS ${_prefixFile} IMPLICIT_DEPENDS ${_language} ${_prefixFile}")
+			endif()
+			set_property (SOURCE "${_pchFile}" PROPERTY GENERATED TRUE)
+			add_custom_command(OUTPUT "${_pchFile}"
+				COMMAND ${_cmds}
+				DEPENDS "${_prefixFile}"
+				IMPLICIT_DEPENDS ${_language} "${_prefixFile}"
+				WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+				COMMENT "Building ${_language} precompiled header ${_pchFileRelPath}" VERBATIM)
+		endif()
+	endif()
+endfunction()
+
+function (cotire_setup_prefix_file_inclusion _language _target _wholeTarget _prefixFile _pchFile)
+	set (_sourceFiles ${ARGN})
+	if (MSVC)
+		# for Visual Studio, we include the precompiled header in all but the first source file
+		# the first source file does the precompiled header compilation, see cotire_setup_pch_file_compilation
+		list (LENGTH _sourceFiles _numberOfSourceFiles)
+		if (_numberOfSourceFiles GREATER 1)
+			# mark sources as cotired to prevent them from being used in another cotired target
+			set_source_files_properties(${_sourceFiles} PROPERTIES COTIRE_TARGET "${_target}")
+			list (REMOVE_AT _sourceFiles 0)
+			set (_flags "")
+			cotire_determine_compiler_version("${_language}" COTIRE_${_language}_COMPILER)
+			cotire_add_pch_inclusion_flags(
+				"${_language}" "MSVC" "${COTIRE_${_language}_COMPILER_VERSION}"
+				"${_prefixFile}" "${_pchFile}" _flags)
+			set_property (SOURCE ${_sourceFiles} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+			# make source files depend on precompiled header
+			set_property (SOURCE ${_sourceFiles} APPEND PROPERTY OBJECT_DEPENDS "${_pchFile}")
+		endif()
+	elseif ("${CMAKE_GENERATOR}" MATCHES "Makefiles|Ninja")
+		if (NOT _wholeTarget)
+			# for makefile based generator, we force the inclusion of the prefix header for a subset
+			# of the source files, if this is a multi-language target or has excluded files
+			set (_flags "")
+			cotire_determine_compiler_version("${_language}" COTIRE_${_language}_COMPILER)
+			cotire_add_pch_inclusion_flags(
+				"${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${COTIRE_${_language}_COMPILER_VERSION}"
+				"${_prefixFile}" "${_pchFile}" _flags)
+			set_property (SOURCE ${_sourceFiles} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+			# mark sources as cotired to prevent them from being used in another cotired target
+			set_source_files_properties(${_sourceFiles} PROPERTIES COTIRE_TARGET "${_target}")
+		endif()
+		# make source files depend on precompiled header
+		set_property (SOURCE ${_sourceFiles} APPEND PROPERTY OBJECT_DEPENDS "${_pchFile}")
+	endif()
+endfunction()
+
+function (cotire_get_first_set_property_value _propertyValueVar _type _object)
+	set (_properties ${ARGN})
+	foreach (_property ${_properties})
+		get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+		if (_propertyValue)
+			set (${_propertyValueVar} ${_propertyValue} PARENT_SCOPE)
+			return()
+		endif()
+	endforeach()
+	set (${_propertyValueVar} "" PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_target_pch_usage _languages _target _wholeTarget)
+	if (MSVC)
+		# for Visual Studio, precompiled header inclusion is always done on the source file level
+		# see cotire_setup_prefix_file_inclusion
+	elseif (XCODE)
+		# for Xcode, we attach a pre-build action to generate the unity sources and prefix headers
+		# if necessary, we also generate a single prefix header which includes all language specific prefix headers
+		set (_prefixFiles "")
+		foreach (_language ${_languages})
+			get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+			if (_prefixFile)
+				list (APPEND _prefixFiles "${_prefixFile}")
+			endif()
+		endforeach()
+		set (_cmds ${ARGN})
+		list (LENGTH _prefixFiles _numberOfPrefixFiles)
+		if (_numberOfPrefixFiles GREATER 1)
+			cotire_make_prefix_file_path("" ${_target} _prefixHeader)
+			cotire_setup_combine_command(${_target} "${_prefixHeader}" "${_prefixFiles}" _cmds)
+		else()
+			set (_prefixHeader "${_prefixFiles}")
+		endif()
+		if (COTIRE_DEBUG)
+			message (STATUS "add_custom_command: TARGET ${_target} PRE_BUILD ${_cmds}")
+		endif()
+		add_custom_command(TARGET "${_target}"
+			PRE_BUILD ${_cmds}
+			WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+			COMMENT "Updating target ${_target} prefix headers" VERBATIM)
+		# make Xcode precompile the generated prefix header with ProcessPCH and ProcessPCH++
+		set_target_properties(${_target} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
+		set_target_properties(${_target} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${_prefixHeader}")
+	elseif ("${CMAKE_GENERATOR}" MATCHES "Makefiles|Ninja")
+		if (_wholeTarget)
+			# for makefile based generator, we force inclusion of the prefix header for all target source files
+			# if this is a single-language target without any excluded files
+			set (_language "${_languages}")
+			get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+			get_property(_pchFile TARGET ${_target} PROPERTY COTIRE_${_language}_PRECOMPILED_HEADER)
+			set (_flags "")
+			cotire_determine_compiler_version("${_language}" COTIRE_${_language}_COMPILER)
+			cotire_add_pch_inclusion_flags(
+				"${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${COTIRE_${_language}_COMPILER_VERSION}"
+				"${_prefixFile}" "${_pchFile}" _flags)
+			set_property (TARGET ${_target} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+		endif()
+	endif()
+endfunction()
+
+function (cotire_setup_unity_generation_commands _language _target _targetScript _unityFiles _cmdsVar)
+	set (_dependencySources "")
+	cotire_get_unity_source_dependencies(${_language} ${_target} _dependencySources ${ARGN})
+	foreach (_unityFile ${_unityFiles})
+		file (RELATIVE_PATH _unityFileRelPath "${CMAKE_BINARY_DIR}" "${_unityFile}")
+		set_property (SOURCE "${_unityFile}" PROPERTY GENERATED TRUE)
+		cotire_set_cmd_to_prologue(_unityCmd)
+		list (APPEND _unityCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "unity" "${_targetScript}" "${_unityFile}")
+		if (COTIRE_DEBUG)
+			message (STATUS "add_custom_command: OUTPUT ${_unityFile} COMMAND ${_unityCmd} DEPENDS ${_targetScript} ${_dependencySources}")
+		endif()
+		add_custom_command(
+			OUTPUT "${_unityFile}"
+			COMMAND ${_unityCmd}
+			DEPENDS "${_targetScript}" ${_dependencySources}
+			COMMENT "Generating ${_language} unity source ${_unityFileRelPath}"
+			WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" VERBATIM)
+		list (APPEND ${_cmdsVar} COMMAND ${_unityCmd})
+	endforeach()
+	set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_prefix_generation_command _language _target _targetScript _prefixFile _unityFiles _cmdsVar)
+	set (_sourceFiles ${ARGN})
+	list (LENGTH _unityFiles _numberOfUnityFiles)
+	if (_numberOfUnityFiles GREATER 1)
+		# create a joint unity file from all unity file segments
+		cotire_make_untiy_source_file_paths(${_language} ${_target} 0 _unityFile ${_unityFiles})
+		cotire_setup_combine_command(${_target} "${_unityFile}" "${_unityFiles}" ${_cmdsVar})
+	else()
+		set (_unityFile "${_unityFiles}")
+	endif()
+	file (RELATIVE_PATH _prefixFileRelPath "${CMAKE_BINARY_DIR}" "${_prefixFile}")
+	set (_dependencySources "")
+	cotire_get_prefix_header_dependencies(${_language} ${_target} _dependencySources ${_sourceFiles})
+	cotire_set_cmd_to_prologue(_prefixCmd)
+	list (APPEND _prefixCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "prefix" "${_targetScript}" "${_prefixFile}" "${_unityFile}")
+	set_property (SOURCE "${_prefixFile}" PROPERTY GENERATED TRUE)
+	if (COTIRE_DEBUG)
+		message (STATUS "add_custom_command: OUTPUT ${_prefixFile} COMMAND ${_prefixCmd} DEPENDS ${_targetScript} ${_unityFile} ${_dependencySources}")
+	endif()
+	add_custom_command(
+		OUTPUT "${_prefixFile}"
+		COMMAND ${_prefixCmd}
+		DEPENDS "${_targetScript}" "${_unityFile}" ${_dependencySources}
+		COMMENT "Generating ${_language} prefix header ${_prefixFileRelPath}"
+		WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" VERBATIM)
+	list (APPEND ${_cmdsVar} COMMAND ${_prefixCmd})
+	set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_combine_command _target _joinedFile _files _cmdsVar)
+	file (RELATIVE_PATH _joinedFileRelPath "${CMAKE_BINARY_DIR}" "${_joinedFile}")
+	set (_filesRelPaths "")
+	foreach (_file ${_files})
+		file (RELATIVE_PATH _fileRelPath "${CMAKE_BINARY_DIR}" "${_file}")
+		list (APPEND _filesRelPaths "${_fileRelPath}")
+	endforeach()
+	cotire_set_cmd_to_prologue(_prefixCmd)
+	list (APPEND _prefixCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "combine" "${_joinedFile}" ${_filesRelPaths})
+	if (COTIRE_DEBUG)
+		message (STATUS "add_custom_command: OUTPUT ${_joinedFile} COMMAND ${_prefixCmd} DEPENDS ${_files}")
+	endif()
+	set_property (SOURCE "${_joinedFile}" PROPERTY GENERATED TRUE)
+	add_custom_command(
+		OUTPUT "${_joinedFile}"
+		COMMAND ${_prefixCmd}
+		DEPENDS ${_files}
+		COMMENT "Generating ${_joinedFileRelPath}"
+		WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" VERBATIM)
+	list (APPEND ${_cmdsVar} COMMAND ${_prefixCmd})
+	set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_init_cotire_target_properties _target)
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER TRUE)
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD TRUE)
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ADD_CLEAN SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_ADD_CLEAN FALSE)
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH "${CMAKE_SOURCE_DIR}")
+		cotire_check_is_path_relative_to("${CMAKE_BINARY_DIR}" _isRelative "${CMAKE_SOURCE_DIR}")
+		if (NOT _isRelative)
+			set_property(TARGET ${_target} APPEND PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH "${CMAKE_BINARY_DIR}")
+		endif()
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PATH SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PATH "")
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_PRE_UNDEFS SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_PRE_UNDEFS "")
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_POST_UNDEFS SET)
+	if (NOT _isSet)
+		set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_POST_UNDEFS "")
+	endif()
+	get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES SET)
+	if (NOT _isSet)
+		if (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES)
+			set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "${COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES}")
+		else()
+			set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "")
+		endif()
+	endif()
+endfunction()
+
+function (cotire_make_target_message _target _languages _disableMsg _targetMsgVar)
+	get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+	get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+	string (REPLACE ";" " " _languagesStr "${_languages}")
+	string (REPLACE ";" ", " _excludedStr "${ARGN}")
+	set (_targetMsg "")
+	if (NOT _languages)
+		set (_targetMsg "Target ${_target} cannot be cotired.")
+		if (_disableMsg)
+			set (_targetMsg "${_targetMsg} ${_disableMsg}")
+		endif()
+	elseif (NOT _targetUsePCH AND NOT _targetAddSCU)
+		set (_targetMsg "${_languagesStr} target ${_target} cotired without unity build and precompiled header.")
+		if (_disableMsg)
+			set (_targetMsg "${_targetMsg} ${_disableMsg}")
+		endif()
+	elseif (NOT _targetUsePCH)
+		if (_allExcludedSourceFiles)
+			set (_targetMsg "${_languagesStr} target ${_target} cotired excluding files ${_excludedStr} without precompiled header.")
+		else()
+			set (_targetMsg "${_languagesStr} target ${_target} cotired without precompiled header.")
+		endif()
+		if (_disableMsg)
+			set (_targetMsg "${_targetMsg} ${_disableMsg}")
+		endif()
+	elseif (NOT _targetAddSCU)
+		if (_allExcludedSourceFiles)
+			set (_targetMsg "${_languagesStr} target ${_target} cotired excluding files ${_excludedStr} without unity build.")
+		else()
+			set (_targetMsg "${_languagesStr} target ${_target} cotired without unity build.")
+		endif()
+	else()
+		if (_allExcludedSourceFiles)
+			set (_targetMsg "${_languagesStr} target ${_target} cotired excluding files ${_excludedStr}.")
+		else()
+			set (_targetMsg "${_languagesStr} target ${_target} cotired.")
+		endif()
+	endif()
+	set (${_targetMsgVar} "${_targetMsg}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_choose_target_languages _target _targetLanguagesVar)
+	set (_languages ${ARGN})
+	set (_allSourceFiles "")
+	set (_allExcludedSourceFiles "")
+	set (_allCotiredSourceFiles "")
+	set (_targetLanguages "")
+	get_target_property(_targetType ${_target} TYPE)
+	get_target_property(_targetSourceFiles ${_target} SOURCES)
+	get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+	get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+	set (_disableMsg "")
+	foreach (_language ${_languages})
+		get_target_property(_prefixHeader ${_target} COTIRE_${_language}_PREFIX_HEADER)
+		get_target_property(_unityBuildFile ${_target} COTIRE_${_language}_UNITY_SOURCE)
+		if (_prefixHeader OR _unityBuildFile)
+			message (WARNING "Target ${_target} has already been cotired.")
+			set (${_targetLanguagesVar} "" PARENT_SCOPE)
+			return()
+		endif()
+		if (_targetUsePCH AND "${_language}" STREQUAL "C" OR "${_language}" STREQUAL "CXX")
+			cotire_check_precompiled_header_support("${_language}" "${_target}" _disableMsg)
+			if (_disableMsg)
+				set (_targetUsePCH FALSE)
+			endif()
+		endif()
+		set (_sourceFiles "")
+		set (_excludedSources "")
+		set (_cotiredSources "")
+		cotire_filter_language_source_files(${_language} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+		if (_sourceFiles OR _excludedSources OR _cotiredSources)
+			list (APPEND _targetLanguages ${_language})
+		endif()
+		if (_sourceFiles)
+			list (APPEND _allSourceFiles ${_sourceFiles})
+		endif()
+		if (_excludedSources)
+			list (APPEND _allExcludedSourceFiles ${_excludedSources})
+		endif()
+		if (_cotiredSources)
+			list (APPEND _allCotiredSourceFiles ${_cotiredSources})
+		endif()
+	endforeach()
+	set (_targetMsgLevel STATUS)
+	if (NOT _targetLanguages)
+		string (REPLACE ";" " or " _languagesStr "${_languages}")
+		set (_disableMsg "No ${_languagesStr} source files.")
+		set (_targetUsePCH FALSE)
+		set (_targetAddSCU FALSE)
+	endif()
+	if (_targetUsePCH)
+		list (LENGTH _allSourceFiles _numberOfSources)
+		if (_numberOfSources LESS ${COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES})
+			set (_disableMsg "Too few applicable sources.")
+			set (_targetUsePCH FALSE)
+		elseif (_allCotiredSourceFiles)
+			cotire_get_source_file_property_values(_cotireTargets COTIRE_TARGET ${_allCotiredSourceFiles})
+			list (REMOVE_DUPLICATES _cotireTargets)
+			string (REPLACE ";" ", " _cotireTargetsStr "${_cotireTargets}")
+			set (_disableMsg "Target sources already include a precompiled header for target(s) ${_cotireTargets}.")
+			set (_disableMsg "${_disableMsg} Set target property COTIRE_ENABLE_PRECOMPILED_HEADER to FALSE for targets ${_target},")
+			set (_disableMsg "${_disableMsg} ${_cotireTargetsStr} to get a workable build system.")
+			set (_targetMsgLevel SEND_ERROR)
+			set (_targetUsePCH FALSE)
+		elseif (XCODE AND _allExcludedSourceFiles)
+			# for Xcode, we cannot apply the precompiled header to individual sources, only to the whole target
+			set (_disableMsg "Exclusion of source files not supported for generator Xcode.")
+			set (_targetUsePCH FALSE)
+		elseif (XCODE AND "${_targetType}" STREQUAL "OBJECT_LIBRARY")
+			# for Xcode, we cannot apply the required PRE_BUILD action to generate the prefix header to an OBJECT_LIBRARY target
+			set (_disableMsg "Required PRE_BUILD action not supported for OBJECT_LIBRARY targets for generator Xcode.")
+			set (_targetUsePCH FALSE)
+		endif()
+	endif()
+	set_property(TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER ${_targetUsePCH})
+	set_property(TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD ${_targetAddSCU})
+	cotire_make_target_message(${_target} "${_targetLanguages}" "${_disableMsg}" _targetMsg ${_allExcludedSourceFiles})
+	if (_targetMsg)
+		if (NOT DEFINED COTIREMSG_${_target})
+			set (COTIREMSG_${_target} "")
+		endif()
+		if (COTIRE_VERBOSE OR NOT "${_targetMsgLevel}" STREQUAL "STATUS" OR
+			NOT "${COTIREMSG_${_target}}" STREQUAL "${_targetMsg}")
+			# cache message to avoid redundant messages on re-configure
+			set (COTIREMSG_${_target} "${_targetMsg}" CACHE INTERNAL "${_target} cotire message.")
+			message (${_targetMsgLevel} "${_targetMsg}")
+		endif()
+	endif()
+	set (${_targetLanguagesVar} ${_targetLanguages} PARENT_SCOPE)
+endfunction()
+
+function (cotire_process_target_language _language _configurations _target _wholeTargetVar _cmdsVar)
+	set (${_cmdsVar} "" PARENT_SCOPE)
+	get_target_property(_targetSourceFiles ${_target} SOURCES)
+	set (_sourceFiles "")
+	set (_excludedSources "")
+	set (_cotiredSources "")
+	cotire_filter_language_source_files(${_language} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+	if (NOT _sourceFiles)
+		return()
+	endif()
+	get_target_property(_maxIncludes ${_target} COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES)
+	if (NOT _maxIncludes)
+		set (_maxIncludes 0)
+	endif()
+	cotire_make_untiy_source_file_paths(${_language} ${_target} ${_maxIncludes} _unityFiles ${_sourceFiles} ${_cotiredSources})
+	if (NOT _unityFiles)
+		return()
+	endif()
+	set (_wholeTarget ${${_wholeTargetVar}})
+	cotire_generate_target_script(
+		${_language} "${_configurations}" ${_target} _targetScript ${_sourceFiles})
+	set (_cmds "")
+	cotire_setup_unity_generation_commands(
+		${_language} ${_target} "${_targetScript}" "${_unityFiles}" _cmds ${_sourceFiles} ${_cotiredSources})
+	cotire_make_prefix_file_path(${_language} ${_target} _prefixFile)
+	if (_prefixFile)
+		cotire_setup_prefix_generation_command(
+			${_language} ${_target} "${_targetScript}" "${_prefixFile}" "${_unityFiles}" _cmds ${_sourceFiles} ${_cotiredSources})
+		get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+		if (_targetUsePCH)
+			cotire_make_pch_file_path(${_language} ${_target} _pchFile)
+			if (_pchFile)
+				cotire_setup_pch_file_compilation(
+					${_language} "${_targetScript}" "${_prefixFile}" "${_pchFile}" ${_sourceFiles})
+				if (_excludedSources)
+					set (_wholeTarget FALSE)
+				endif()
+				cotire_setup_prefix_file_inclusion(
+					${_language} ${_target} ${_wholeTarget} "${_prefixFile}" "${_pchFile}" ${_sourceFiles})
+			endif()
+		endif()
+	endif()
+	# mark target as cotired for language
+	set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE "${_unityFiles}")
+	if (_prefixFile)
+		set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER "${_prefixFile}")
+		if (_targetUsePCH AND _pchFile)
+			set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_PRECOMPILED_HEADER "${_pchFile}")
+		endif()
+	endif()
+	set (${_wholeTargetVar} ${_wholeTarget} PARENT_SCOPE)
+	set (${_cmdsVar} ${_cmds} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_clean_target _target)
+	set (_cleanTargetName "${_target}${COTIRE_CLEAN_TARGET_SUFFIX}")
+	if (NOT TARGET "${_cleanTargetName}")
+		cotire_set_cmd_to_prologue(_cmds)
+		get_filename_component(_outputDir "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}" ABSOLUTE)
+		list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "cleanup" "${_outputDir}" "${COTIRE_INTDIR}" "${_target}")
+		add_custom_target(${_cleanTargetName} COMMAND ${_cmds} WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+			COMMENT "Cleaning up target ${_target} cotire generated files" VERBATIM)
+		cotire_init_target("${_cleanTargetName}")
+	endif()
+endfunction()
+
+function (cotire_setup_pch_target _languages _configurations _target)
+	if ("${CMAKE_GENERATOR}" MATCHES "Makefiles|Ninja")
+		# for makefile based generators, we add a custom target to trigger the generation of the cotire related files
+		set (_dependsFiles "")
+		foreach (_language ${_languages})
+			set (_props COTIRE_${_language}_PREFIX_HEADER COTIRE_${_language}_UNITY_SOURCE)
+			if (NOT MSVC)
+				# Visual Studio only creates precompiled header as a side effect
+				list(INSERT _props 0 COTIRE_${_language}_PRECOMPILED_HEADER)
+			endif()
+			cotire_get_first_set_property_value(_dependsFile TARGET ${_target} ${_props})
+			if (_dependsFile)
+				list (APPEND _dependsFiles "${_dependsFile}")
+			endif()
+		endforeach()
+		if (_dependsFiles)
+			set (_pchTargetName "${_target}${COTIRE_PCH_TARGET_SUFFIX}")
+			add_custom_target("${_pchTargetName}" DEPENDS ${_dependsFiles})
+			cotire_init_target("${_pchTargetName}")
+			cotire_add_to_pch_all_target(${_pchTargetName})
+		endif()
+	endif()
+endfunction()
+
+function (cotire_setup_unity_build_target _languages _configurations _target)
+	set (_unityTargetName "${_target}${COTIRE_UNITY_BUILD_TARGET_SUFFIX}")
+	# determine unity target sub type
+	get_target_property(_targetType ${_target} TYPE)
+	if ("${_targetType}" STREQUAL "EXECUTABLE")
+		get_target_property(_isWin32 ${_target} WIN32_EXECUTABLE)
+		get_target_property(_isMacOSX_Bundle ${_target} MACOSX_BUNDLE)
+		if (_isWin32)
+			set (_unityTargetSubType WIN32)
+		elseif (_isMacOSX_Bundle)
+			set (_unityTargetSubType MACOSX_BUNDLE)
+		else()
+			set (_unityTargetSubType "")
+		endif()
+	elseif (_targetType MATCHES "(STATIC|SHARED|MODULE|OBJECT)_LIBRARY")
+		set (_unityTargetSubType "${CMAKE_MATCH_1}")
+	else()
+		message (WARNING "Unknown target type ${_targetType}.")
+		return()
+	endif()
+	# determine unity target sources
+	get_target_property(_targetSourceFiles ${_target} SOURCES)
+	set (_unityTargetSources ${_targetSourceFiles})
+	get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+	foreach (_language ${_languages})
+		get_property(_unityFiles TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE)
+		if (_unityFiles)
+			# remove source files that are included in the unity source
+			set (_sourceFiles "")
+			set (_excludedSources "")
+			set (_cotiredSources "")
+			cotire_filter_language_source_files(${_language} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+			if (_sourceFiles OR _cotiredSources)
+				list (REMOVE_ITEM _unityTargetSources ${_sourceFiles} ${_cotiredSources})
+			endif()
+			# then add unity source file instead
+			list (APPEND _unityTargetSources ${_unityFiles})
+			# make unity files use precompiled header if there are multiple unity files
+			list (LENGTH  _unityFiles _numberOfUnityFiles)
+			if (_targetUsePCH AND _numberOfUnityFiles GREATER ${COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES})
+				get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+				get_property(_pchFile TARGET ${_target} PROPERTY COTIRE_${_language}_PRECOMPILED_HEADER)
+				if (_prefixFile AND _pchFile)
+					cotire_setup_pch_file_compilation(
+						${_language} "" "${_prefixFile}" "${_pchFile}" ${_unityFiles})
+					cotire_setup_prefix_file_inclusion(
+						${_language} ${_target} FALSE "${_prefixFile}" "${_pchFile}" ${_unityFiles})
+					# add the prefix header to unity target sources
+					list (APPEND _unityTargetSources "${_prefixFile}")
+				endif()
+			endif()
+		endif()
+	endforeach()
+	if (COTIRE_DEBUG)
+		message (STATUS "add ${_targetType} ${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources}")
+	endif()
+	# generate unity target
+	if ("${_targetType}" STREQUAL "EXECUTABLE")
+		add_executable(${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources})
+	else()
+		add_library(${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources})
+	endif()
+	set (_outputDirProperties
+		ARCHIVE_OUTPUT_DIRECTORY ARCHIVE_OUTPUT_DIRECTORY_<CONFIG>
+		LIBRARY_OUTPUT_DIRECTORY LIBRARY_OUTPUT_DIRECTORY_<CONFIG>
+		RUNTIME_OUTPUT_DIRECTORY RUNTIME_OUTPUT_DIRECTORY_<CONFIG>)
+	# copy output location properties
+	if (COTIRE_UNITY_OUTPUT_DIRECTORY)
+		set (_setDefaultOutputDir TRUE)
+		if (IS_ABSOLUTE "${COTIRE_UNITY_OUTPUT_DIRECTORY}")
+			set (_outputDir "${COTIRE_UNITY_OUTPUT_DIRECTORY}")
+		else()
+			cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName} ${_outputDirProperties})
+			cotrie_resolve_config_properites("${_configurations}" _properties ${_outputDirProperties})
+			foreach (_property ${_properties})
+				get_property(_outputDir TARGET ${_target} PROPERTY ${_property})
+				if (_outputDir)
+					get_filename_component(_outputDir "${_outputDir}/${COTIRE_UNITY_OUTPUT_DIRECTORY}" ABSOLUTE)
+					set_property(TARGET ${_target} PROPERTY ${_property} "${_outputDir}")
+					set (_setDefaultOutputDir FALSE)
+				endif()
+			endforeach()
+			if (_setDefaultOutputDir)
+				get_filename_component(_outputDir "${CMAKE_CURRENT_BINARY_DIR}/${COTIRE_UNITY_OUTPUT_DIRECTORY}" ABSOLUTE)
+			endif()
+		endif()
+		if (_setDefaultOutputDir)
+			set_target_properties(${_unityTargetName} PROPERTIES
+				ARCHIVE_OUTPUT_DIRECTORY "${_outputDir}"
+				LIBRARY_OUTPUT_DIRECTORY "${_outputDir}"
+				RUNTIME_OUTPUT_DIRECTORY "${_outputDir}")
+		endif()
+	else()
+		cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName} ${_outputDirProperties})
+	endif()
+	# copy output name
+	cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+		ARCHIVE_OUTPUT_NAME ARCHIVE_OUTPUT_NAME_<CONFIG>
+		LIBRARY_OUTPUT_NAME LIBRARY_OUTPUT_NAME_<CONFIG>
+		OUTPUT_NAME OUTPUT_NAME_<CONFIG>
+		RUNTIME_OUTPUT_NAME RUNTIME_OUTPUT_NAME_<CONFIG>
+		PREFIX <CONFIG>_POSTFIX SUFFIX)
+	# copy compile stuff
+	cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+		COMPILE_DEFINITIONS COMPILE_DEFINITIONS_<CONFIG>
+		COMPILE_FLAGS Fortran_FORMAT
+		INCLUDE_DIRECTORIES
+		INTERPROCEDURAL_OPTIMIZATION INTERPROCEDURAL_OPTIMIZATION_<CONFIG>)
+	# copy link stuff
+	cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+		BUILD_WITH_INSTALL_RPATH INSTALL_RPATH INSTALL_RPATH_USE_LINK_PATH SKIP_BUILD_RPATH
+		LINKER_LANGUAGE LINK_DEPENDS
+		LINK_FLAGS LINK_FLAGS_<CONFIG>
+		LINK_INTERFACE_LIBRARIES LINK_INTERFACE_LIBRARIES_<CONFIG>
+		LINK_INTERFACE_MULTIPLICITY LINK_INTERFACE_MULTIPLICITY_<CONFIG>
+		LINK_SEARCH_START_STATIC LINK_SEARCH_END_STATIC
+		STATIC_LIBRARY_FLAGS STATIC_LIBRARY_FLAGS_<CONFIG>
+		SOVERSION VERSION)
+	# copy Qt stuff
+	cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+		AUTOMOC AUTOMOC_MOC_OPTIONS)
+	# copy cmake stuff
+	cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+		IMPLICIT_DEPENDS_INCLUDE_TRANSFORM RULE_LAUNCH_COMPILE RULE_LAUNCH_CUSTOM RULE_LAUNCH_LINK)
+	# copy platform stuff
+	if (APPLE)
+		cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+			BUNDLE BUNDLE_EXTENSION FRAMEWORK INSTALL_NAME_DIR MACOSX_BUNDLE_INFO_PLIST MACOSX_FRAMEWORK_INFO_PLIST
+			OSX_ARCHITECTURES OSX_ARCHITECTURES_<CONFIG> PRIVATE_HEADER PUBLIC_HEADER RESOURCE)
+	elseif (WIN32)
+		cotrie_copy_set_properites("${_configurations}" TARGET ${_target} ${_unityTargetName}
+			GNUtoMS
+			VS_DOTNET_REFERENCES VS_GLOBAL_KEYWORD VS_GLOBAL_PROJECT_TYPES VS_KEYWORD
+			VS_SCC_AUXPATH VS_SCC_LOCALPATH VS_SCC_PROJECTNAME VS_SCC_PROVIDER
+			VS_WINRT_EXTENSIONS VS_WINRT_REFERENCES)
+	endif()
+	# use output name from original target
+	get_target_property(_targetOutputName ${_unityTargetName} OUTPUT_NAME)
+	if (NOT _targetOutputName)
+		set_property(TARGET ${_unityTargetName} PROPERTY OUTPUT_NAME "${_target}")
+	endif()
+	# use export symbol from original target
+	cotire_get_target_export_symbol("${_target}" _defineSymbol)
+	if (_defineSymbol)
+		set_property(TARGET ${_unityTargetName} PROPERTY DEFINE_SYMBOL "${_defineSymbol}")
+		if ("${_targetType}" STREQUAL "EXECUTABLE")
+			set_property(TARGET ${_unityTargetName} PROPERTY ENABLE_EXPORTS TRUE)
+		endif()
+	endif()
+	cotire_init_target(${_unityTargetName})
+	cotire_add_to_unity_all_target(${_unityTargetName})
+	set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_TARGET_NAME "${_unityTargetName}")
+endfunction()
+
+function (cotire_target _target)
+	set(_options "")
+	set(_oneValueArgs "")
+	set(_multiValueArgs LANGUAGES CONFIGURATIONS)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	if (NOT _option_LANGUAGES)
+		get_property (_option_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
+	endif()
+	if (NOT _option_CONFIGURATIONS)
+		if (CMAKE_CONFIGURATION_TYPES)
+			set (_option_CONFIGURATIONS ${CMAKE_CONFIGURATION_TYPES})
+		elseif (CMAKE_BUILD_TYPE)
+			set (_option_CONFIGURATIONS "${CMAKE_BUILD_TYPE}")
+		else()
+			set (_option_CONFIGURATIONS "None")
+		endif()
+	endif()
+	# trivial checks
+	get_target_property(_imported ${_target} IMPORTED)
+	if (_imported)
+		message (WARNING "Imported target ${_target} cannot be cotired")
+		return()
+	endif()
+	# check if target needs to be cotired for build type
+	# when using configuration types, the test is performed at build time
+	cotire_init_cotire_target_properties(${_target})
+	if (NOT CMAKE_CONFIGURATION_TYPES)
+		if (CMAKE_BUILD_TYPE)
+			list (FIND _option_CONFIGURATIONS "${CMAKE_BUILD_TYPE}" _index)
+		else()
+			list (FIND _option_CONFIGURATIONS "None" _index)
+		endif()
+		if (_index EQUAL -1)
+			if (COTIRE_DEBUG)
+				message (STATUS "CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} not cotired (${_option_CONFIGURATIONS})")
+			endif()
+			return()
+		endif()
+	endif()
+	# choose languages that apply to the target
+	cotire_choose_target_languages("${_target}" _targetLanguages ${_option_LANGUAGES})
+	if (NOT _targetLanguages)
+		return()
+	endif()
+	list (LENGTH _targetLanguages _numberOfLanguages)
+	if (_numberOfLanguages GREATER 1)
+		set (_wholeTarget FALSE)
+	else()
+		set (_wholeTarget TRUE)
+	endif()
+	set (_cmds "")
+	foreach (_language ${_targetLanguages})
+		cotire_process_target_language("${_language}" "${_option_CONFIGURATIONS}" ${_target} _wholeTarget _cmd)
+		if (_cmd)
+			list (APPEND _cmds ${_cmd})
+		endif()
+	endforeach()
+	get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+	if (_targetAddSCU)
+		cotire_setup_unity_build_target("${_targetLanguages}" "${_option_CONFIGURATIONS}" ${_target})
+	endif()
+	get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+	if (_targetUsePCH)
+		cotire_setup_target_pch_usage("${_targetLanguages}" ${_target} ${_wholeTarget} ${_cmds})
+		cotire_setup_pch_target("${_targetLanguages}" "${_option_CONFIGURATIONS}" ${_target})
+	endif()
+	get_target_property(_targetAddCleanTarget ${_target} COTIRE_ADD_CLEAN)
+	if (_targetAddCleanTarget)
+		cotire_setup_clean_target(${_target})
+	endif()
+endfunction()
+
+function (cotire_cleanup _binaryDir _cotireIntermediateDirName _targetName)
+	if (_targetName)
+		file (GLOB_RECURSE _cotireFiles "${_binaryDir}/${_targetName}*.*")
+	else()
+		file (GLOB_RECURSE _cotireFiles "${_binaryDir}/*.*")
+	endif()
+	# filter files in intermediate directory
+	set (_filesToRemove "")
+	foreach (_file ${_cotireFiles})
+		get_filename_component(_dir "${_file}" PATH)
+		get_filename_component(_dirName "${_dir}" NAME)
+		if ("${_dirName}" STREQUAL "${_cotireIntermediateDirName}")
+			list (APPEND _filesToRemove "${_file}")
+		endif()
+	endforeach()
+	if (_filesToRemove)
+		if (COTIRE_VERBOSE)
+			message (STATUS "removing ${_filesToRemove}")
+		endif()
+		file (REMOVE ${_filesToRemove})
+	endif()
+endfunction()
+
+function (cotire_init_target _targetName)
+	if (COTIRE_TARGETS_FOLDER)
+		set_target_properties(${_targetName} PROPERTIES FOLDER "${COTIRE_TARGETS_FOLDER}")
+	endif()
+	if (MSVC_IDE)
+		set_target_properties(${_targetName} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD TRUE)
+	endif()
+endfunction()
+
+function (cotire_add_to_pch_all_target _pchTargetName)
+	set (_targetName "${COTIRE_PCH_ALL_TARGET_NAME}")
+	if (NOT TARGET "${_targetName}")
+		add_custom_target("${_targetName}" WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" VERBATIM)
+		cotire_init_target("${_targetName}")
+	endif()
+	cotire_setup_clean_all_target()
+	add_dependencies(${_targetName} ${_pchTargetName})
+endfunction()
+
+function (cotire_add_to_unity_all_target _unityTargetName)
+	set (_targetName "${COTIRE_UNITY_BUILD_ALL_TARGET_NAME}")
+	if (NOT TARGET "${_targetName}")
+		add_custom_target("${_targetName}" WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" VERBATIM)
+		cotire_init_target("${_targetName}")
+	endif()
+	cotire_setup_clean_all_target()
+	add_dependencies(${_targetName} ${_unityTargetName})
+endfunction()
+
+function (cotire_setup_clean_all_target)
+	set (_targetName "${COTIRE_CLEAN_ALL_TARGET_NAME}")
+	if (NOT TARGET "${_targetName}")
+		cotire_set_cmd_to_prologue(_cmds)
+		list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "cleanup" "${CMAKE_BINARY_DIR}" "${COTIRE_INTDIR}")
+		add_custom_target(${_targetName} COMMAND ${_cmds}
+			WORKING_DIRECTORY "${CMAKE_BINARY_DIR}" COMMENT "Cleaning up all cotire generated files" VERBATIM)
+		cotire_init_target("${_targetName}")
+	endif()
+endfunction()
+
+function (cotire)
+	set(_options "")
+	set(_oneValueArgs "")
+	set(_multiValueArgs LANGUAGES CONFIGURATIONS)
+	cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+	set (_targets ${_option_UNPARSED_ARGUMENTS})
+	foreach (_target ${_targets})
+		if (TARGET ${_target})
+			cotire_target(${_target} LANGUAGES ${_option_LANGUAGES} CONFIGURATIONS ${_option_CONFIGURATIONS})
+		else()
+			message (WARNING "${_target} is not a target")
+		endif()
+	endforeach()
+endfunction()
+
+if (CMAKE_SCRIPT_MODE_FILE)
+
+	# cotire is being run in script mode
+	# locate -P on command args
+	set (COTIRE_ARGC -1)
+	foreach (_index RANGE ${CMAKE_ARGC})
+		if (COTIRE_ARGC GREATER -1)
+			set (COTIRE_ARGV${COTIRE_ARGC} "${CMAKE_ARGV${_index}}")
+			math (EXPR COTIRE_ARGC "${COTIRE_ARGC} + 1")
+		elseif ("${CMAKE_ARGV${_index}}" STREQUAL "-P")
+			set (COTIRE_ARGC 0)
+		endif()
+	endforeach()
+
+	if (COTIRE_DEBUG)
+		message (STATUS "${COTIRE_ARGV0} ${COTIRE_ARGV1} ${COTIRE_ARGV2} ${COTIRE_ARGV3} ${COTIRE_ARGV4} ${COTIRE_ARGV5}")
+	endif()
+
+	# include target script if available
+	if ("${COTIRE_ARGV2}" MATCHES "\\.cmake$")
+		include("${COTIRE_ARGV2}")
+	endif()
+
+	if (WIN32)
+		# for MSVC, compiler IDs may not always be set correctly
+		if (MSVC)
+			set (CMAKE_C_COMPILER_ID "MSVC")
+			set (CMAKE_CXX_COMPILER_ID "MSVC")
+		endif()
+	endif()
+
+	if (NOT COTIRE_BUILD_TYPE)
+		set (COTIRE_BUILD_TYPE "None")
+	endif()
+	string (TOUPPER "${COTIRE_BUILD_TYPE}" _upperConfig)
+	set (_includeDirs ${COTIRE_TARGET_INCLUDE_DIRECTORIES_${_upperConfig}})
+	set (_compileDefinitions ${COTIRE_TARGET_COMPILE_DEFINITIONS_${_upperConfig}})
+	set (_compileFlags ${COTIRE_TARGET_COMPILE_FLAGS_${_upperConfig}})
+	# check if target has been cotired for actual build type COTIRE_BUILD_TYPE
+	list (FIND COTIRE_TARGET_CONFIGURATION_TYPES "${COTIRE_BUILD_TYPE}" _index)
+	if (_index GREATER -1)
+		set (_sources ${COTIRE_TARGET_SOURCES})
+		set (_sourcesDefinitions ${COTIRE_TARGET_SOURCES_COMPILE_DEFINITIONS_${_upperConfig}})
+	else()
+		if (COTIRE_DEBUG)
+			message (STATUS "COTIRE_BUILD_TYPE=${COTIRE_BUILD_TYPE} not cotired (${COTIRE_TARGET_CONFIGURATION_TYPES})")
+		endif()
+		set (_sources "")
+		set (_sourcesDefinitions "")
+	endif()
+	set (_targetPreUndefs ${COTIRE_TARGET_PRE_UNDEFS})
+	set (_targetPostUndefs ${COTIRE_TARGET_POST_UNDEFS})
+	set (_sourcesPreUndefs ${COTIRE_TARGET_SOURCES_PRE_UNDEFS})
+	set (_sourcesPostUndefs ${COTIRE_TARGET_SOURCES_POST_UNDEFS})
+
+	if ("${COTIRE_ARGV1}" STREQUAL "unity")
+
+		cotire_select_unity_source_files("${COTIRE_ARGV3}" _sources ${_sources})
+		cotire_generate_unity_source(
+			"${COTIRE_ARGV3}" ${_sources}
+			LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+			DEPENDS "${COTIRE_ARGV0}" "${COTIRE_ARGV2}" ${COTIRE_TARGET_UNITY_DEPENDS}
+			SOURCES_COMPILE_DEFINITIONS ${_sourcesDefinitions}
+			PRE_UNDEFS ${_targetPreUndefs}
+			POST_UNDEFS ${_targetPostUndefs}
+			SOURCES_PRE_UNDEFS ${_sourcesPreUndefs}
+			SOURCES_POST_UNDEFS ${_sourcesPostUndefs})
+
+	elseif ("${COTIRE_ARGV1}" STREQUAL "prefix")
+
+		set (_files "")
+		foreach (_index RANGE 4 ${COTIRE_ARGC})
+			if (COTIRE_ARGV${_index})
+				list (APPEND _files "${COTIRE_ARGV${_index}}")
+			endif()
+		endforeach()
+
+		cotire_generate_prefix_header(
+			"${COTIRE_ARGV3}" ${_files}
+			COMPILER_EXECUTABLE "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER}"
+			COMPILER_ARG1 ${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ARG1}
+			COMPILER_ID "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ID}"
+			COMPILER_VERSION "${COTIRE_${COTIRE_TARGET_LANGUAGE}_COMPILER_VERSION}"
+			LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+			DEPENDS "${COTIRE_ARGV0}" "${COTIRE_ARGV4}" ${COTIRE_TARGET_PREFIX_DEPENDS}
+			IGNORE_PATH "${COTIRE_TARGET_IGNORE_PATH};${COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH}"
+			INCLUDE_PATH ${COTIRE_TARGET_INCLUDE_PATH}
+			IGNORE_EXTENSIONS "${CMAKE_${COTIRE_TARGET_LANGUAGE}_SOURCE_FILE_EXTENSIONS};${COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS}"
+			INCLUDE_DIRECTORIES ${_includeDirs}
+			COMPILE_DEFINITIONS ${_compileDefinitions}
+			COMPILE_FLAGS ${_compileFlags})
+
+	elseif ("${COTIRE_ARGV1}" STREQUAL "precompile")
+
+		set (_files "")
+		foreach (_index RANGE 5 ${COTIRE_ARGC})
+			if (COTIRE_ARGV${_index})
+				list (APPEND _files "${COTIRE_ARGV${_index}}")
+			endif()
+		endforeach()
+
+		cotire_precompile_prefix_header(
+			"${COTIRE_ARGV3}" "${COTIRE_ARGV4}" "${COTIRE_ARGV5}"
+			COMPILER_EXECUTABLE "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER}"
+			COMPILER_ARG1 ${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ARG1}
+			COMPILER_ID "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ID}"
+			COMPILER_VERSION "${COTIRE_${COTIRE_TARGET_LANGUAGE}_COMPILER_VERSION}"
+			LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+			INCLUDE_DIRECTORIES ${_includeDirs}
+			COMPILE_DEFINITIONS ${_compileDefinitions}
+			COMPILE_FLAGS ${_compileFlags})
+
+	elseif ("${COTIRE_ARGV1}" STREQUAL "combine")
+
+		set (_files "")
+		foreach (_index RANGE 2 ${COTIRE_ARGC})
+			if (COTIRE_ARGV${_index})
+				list (APPEND _files "${COTIRE_ARGV${_index}}")
+			endif()
+		endforeach()
+		cotire_generate_unity_source(${_files})
+
+	elseif ("${COTIRE_ARGV1}" STREQUAL "cleanup")
+
+		cotire_cleanup("${COTIRE_ARGV2}" "${COTIRE_ARGV3}" "${COTIRE_ARGV4}")
+
+	else()
+		message (FATAL_ERROR "Unknown cotire command \"${COTIRE_ARGV1}\".")
+	endif()
+
+else()
+
+	# cotire is being run in include mode
+	# set up all variable and property definitions
+
+	unset (COTIRE_C_COMPILER_VERSION CACHE)
+	unset (COTIRE_CXX_COMPILER_VERSION CACHE)
+
+	if (NOT DEFINED COTIRE_DEBUG_INIT)
+		if (DEFINED COTIRE_DEBUG)
+			set (COTIRE_DEBUG_INIT ${COTIRE_DEBUG})
+		else()
+			set (COTIRE_DEBUG_INIT FALSE)
+		endif()
+	endif()
+	option (COTIRE_DEBUG "Enable cotire debugging output?" ${COTIRE_DEBUG_INIT})
+
+	if (NOT DEFINED COTIRE_VERBOSE_INIT)
+		if (DEFINED COTIRE_VERBOSE)
+			set (COTIRE_VERBOSE_INIT ${COTIRE_VERBOSE})
+		else()
+			set (COTIRE_VERBOSE_INIT FALSE)
+		endif()
+	endif()
+	option (COTIRE_VERBOSE "Enable cotire verbose output?" ${COTIRE_VERBOSE_INIT})
+
+	set (COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS "inc;inl;ipp" CACHE STRING
+		"Ignore headers with the listed file extensions from the generated prefix header.")
+
+	set (COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH "" CACHE STRING
+		"Ignore headers from these directories when generating the prefix header.")
+
+	set (COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES "3" CACHE STRING
+		"Minimum number of sources in target required to enable use of precompiled header.")
+
+	set (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES "" CACHE STRING
+		"Maximum number of source files to include in a single unity source file.")
+
+	if (NOT COTIRE_PREFIX_HEADER_FILENAME_SUFFIX)
+		set (COTIRE_PREFIX_HEADER_FILENAME_SUFFIX "_prefix")
+	endif()
+	if (NOT COTIRE_UNITY_SOURCE_FILENAME_SUFFIX)
+		set (COTIRE_UNITY_SOURCE_FILENAME_SUFFIX "_unity")
+	endif()
+	if (NOT COTIRE_INTDIR)
+		set (COTIRE_INTDIR "cotire")
+	endif()
+	if (NOT COTIRE_PCH_ALL_TARGET_NAME)
+		set (COTIRE_PCH_ALL_TARGET_NAME "all_pch")
+	endif()
+	if (NOT COTIRE_UNITY_BUILD_ALL_TARGET_NAME)
+		set (COTIRE_UNITY_BUILD_ALL_TARGET_NAME "all_unity")
+	endif()
+	if (NOT COTIRE_CLEAN_ALL_TARGET_NAME)
+		set (COTIRE_CLEAN_ALL_TARGET_NAME "clean_cotire")
+	endif()
+	if (NOT COTIRE_CLEAN_TARGET_SUFFIX)
+		set (COTIRE_CLEAN_TARGET_SUFFIX "_clean_cotire")
+	endif()
+	if (NOT COTIRE_PCH_TARGET_SUFFIX)
+		set (COTIRE_PCH_TARGET_SUFFIX "_pch")
+	endif()
+	if (NOT COTIRE_UNITY_BUILD_TARGET_SUFFIX)
+		set (COTIRE_UNITY_BUILD_TARGET_SUFFIX "_unity")
+	endif()
+	if (NOT DEFINED COTIRE_TARGETS_FOLDER)
+		set (COTIRE_TARGETS_FOLDER "cotire")
+	endif()
+	if (NOT DEFINED COTIRE_UNITY_OUTPUT_DIRECTORY)
+		if ("${CMAKE_GENERATOR}" MATCHES "Ninja")
+			# generated Ninja build files do not work if the unity target produces the same output file as the cotired target
+			set (COTIRE_UNITY_OUTPUT_DIRECTORY "unity")
+		else()
+			set (COTIRE_UNITY_OUTPUT_DIRECTORY "")
+		endif()
+	endif()
+
+	# define cotire cache variables
+
+	define_property(
+		CACHED_VARIABLE PROPERTY "COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH"
+		BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+		FULL_DOCS
+			"The variable can be set to a semicolon separated list of include directories."
+			"If a header file is found in one of these directories or sub-directories, it will be excluded from the generated prefix header."
+			"If not defined, defaults to empty list."
+	)
+
+	define_property(
+		CACHED_VARIABLE PROPERTY "COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS"
+		BRIEF_DOCS "Ignore includes with the listed file extensions from the prefix header when generating the prefix header."
+		FULL_DOCS
+			"The variable can be set to a semicolon separated list of file extensions."
+			"If a header file extension matches one in the list, it will be excluded from the generated prefix header."
+			"Includes with an extension in CMAKE_<LANG>_SOURCE_FILE_EXTENSIONS are always ignored."
+			"If not defined, defaults to inc;inl;ipp."
+	)
+
+	define_property(
+		CACHED_VARIABLE PROPERTY "COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES"
+		BRIEF_DOCS "Minimum number of sources in target required to enable use of precompiled header."
+		FULL_DOCS
+			"The variable can be set to an integer > 0."
+			"If a target contains less than that number of source files, cotire will not enable the use of the precompiled header for the target."
+			"If not defined, defaults to 3."
+	)
+
+	define_property(
+		CACHED_VARIABLE PROPERTY "COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES"
+		BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+		FULL_DOCS
+			"This may be set to an integer > 0."
+			"If a target contains more than that number of source files, cotire will create multiple unity source files for it."
+			"If not set, cotire will only create a single unity source file."
+			"Is use to initialize the target property COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES."
+			"Defaults to empty."
+	)
+
+	# define cotire directory properties
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_ENABLE_PRECOMPILED_HEADER"
+		BRIEF_DOCS "Modify build command of cotired targets added in this directory to make use of the generated precompiled header."
+		FULL_DOCS
+			"See target property COTIRE_ENABLE_PRECOMPILED_HEADER."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_ADD_UNITY_BUILD"
+		BRIEF_DOCS "Add a new target that performs a unity build for cotired targets added in this directory."
+		FULL_DOCS
+			"See target property COTIRE_ADD_UNITY_BUILD."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_ADD_CLEAN"
+		BRIEF_DOCS "Add a new target that cleans all cotire generated files for cotired targets added in this directory."
+		FULL_DOCS
+			"See target property COTIRE_ADD_CLEAN."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_PREFIX_HEADER_IGNORE_PATH"
+		BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+		FULL_DOCS
+			"See target property COTIRE_PREFIX_HEADER_IGNORE_PATH."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PATH"
+		BRIEF_DOCS "Honor headers from these directories when generating the prefix header."
+		FULL_DOCS
+			"See target property COTIRE_PREFIX_HEADER_INCLUDE_PATH."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS"
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of each source file."
+		FULL_DOCS
+			"See target property COTIRE_UNITY_SOURCE_PRE_UNDEFS."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS"
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of each source file."
+		FULL_DOCS
+			"See target property COTIRE_UNITY_SOURCE_POST_UNDEFS."
+	)
+
+	define_property(
+		DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES"
+		BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+		FULL_DOCS
+			"See target property COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES."
+	)
+
+	# define cotire target properties
+
+	define_property(
+		TARGET PROPERTY "COTIRE_ENABLE_PRECOMPILED_HEADER" INHERITED
+		BRIEF_DOCS "Modify this target's build command to make use of the generated precompiled header."
+		FULL_DOCS
+			"If this property is set to TRUE, cotire will modify the build command to make use of the generated precompiled header."
+			"Irrespective of the value of this property, cotire will setup custom commands to generate the unity source and prefix header for the target."
+			"For makefile based generators cotire will also set up a custom target to manually invoke the generation of the precompiled header."
+			"The target name will be set to this target's name with the suffix _pch appended."
+			"Inherited from directory."
+			"Defaults to TRUE."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_ADD_UNITY_BUILD" INHERITED
+		BRIEF_DOCS "Add a new target that performs a unity build for this target."
+		FULL_DOCS
+			"If this property is set to TRUE, cotire creates a new target of the same type that uses the generated unity source file instead of the target sources."
+			"Most of the relevant target properties will be copied from this target to the new unity build target."
+			"Target dependencies and linked libraries have to be manually set up for the new unity build target."
+			"The unity target name will be set to this target's name with the suffix _unity appended."
+			"Inherited from directory."
+			"Defaults to TRUE."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_ADD_CLEAN" INHERITED
+		BRIEF_DOCS "Add a new target that cleans all cotire generated files for this target."
+		FULL_DOCS
+			"If this property is set to TRUE, cotire creates a new target that clean all files (unity source, prefix header, precompiled header)."
+			"The clean target name will be set to this target's name with the suffix _clean_cotire appended."
+			"Inherited from directory."
+			"Defaults to FALSE."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_PREFIX_HEADER_IGNORE_PATH" INHERITED
+		BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+		FULL_DOCS
+			"The property can be set to a list of directories."
+			"If a header file is found in one of these directories or sub-directories, it will be excluded from the generated prefix header."
+			"Inherited from directory."
+			"If not set, this property is initialized to \${CMAKE_SOURCE_DIR};\${CMAKE_BINARY_DIR}."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PATH" INHERITED
+		BRIEF_DOCS "Honor headers from these directories when generating the prefix header."
+		FULL_DOCS
+			"The property can be set to a list of directories."
+			"If a header file is found in one of these directories or sub-directories, it will be included in the generated prefix header."
+			"If a header file is both selected by COTIRE_PREFIX_HEADER_IGNORE_PATH and COTIRE_PREFIX_HEADER_INCLUDE_PATH,"
+			"the option which yields the closer relative path match wins."
+			"Inherited from directory."
+			"If not set, this property is initialized to the empty list."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS" INHERITED
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of each target source file."
+		FULL_DOCS
+			"This may be set to a semicolon-separated list of preprocessor symbols."
+			"cotire will add corresponding #undef directives to the generated unit source file before each target source file."
+			"Inherited from directory."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS" INHERITED
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of each target source file."
+		FULL_DOCS
+			"This may be set to a semicolon-separated list of preprocessor symbols."
+			"cotire will add corresponding #undef directives to the generated unit source file after each target source file."
+			"Inherited from directory."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES" INHERITED
+		BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+		FULL_DOCS
+			"This may be set to an integer > 0."
+			"If a target contains more than that number of source files, cotire will create multiple unity build files for it."
+			"If not set, cotire will only create a single unity source file."
+			"Inherited from directory."
+			"Defaults to empty."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_<LANG>_UNITY_SOURCE"
+		BRIEF_DOCS "Read-only property. The generated <LANG> unity source file(s)."
+		FULL_DOCS
+			"cotire sets this property to the path of the generated <LANG> single computation unit source file for the target."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_<LANG>_PREFIX_HEADER"
+		BRIEF_DOCS "Read-only property. The generated <LANG> prefix header file."
+		FULL_DOCS
+			"cotire sets this property to the full path of the generated <LANG> language prefix header for the target."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_<LANG>_PRECOMPILED_HEADER"
+		BRIEF_DOCS "Read-only property. The generated <LANG> precompiled header file."
+		FULL_DOCS
+			"cotire sets this property to the full path of the generated <LANG> language precompiled header binary for the target."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		TARGET PROPERTY "COTIRE_UNITY_TARGET_NAME"
+		BRIEF_DOCS "Read-only property. The name of the generated unity build target corresponding to this target."
+		FULL_DOCS
+			"cotire sets this property to the name the generated unity build target for this target."
+			"Defaults to empty string."
+	)
+
+	# define cotire source properties
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_EXCLUDED"
+		BRIEF_DOCS "Do not modify source file's build command."
+		FULL_DOCS
+			"If this property is set to TRUE, the source file's build command will not be modified to make use of the precompiled header."
+			"The source file will also be excluded from the generated unity source file."
+			"Source files that have their COMPILE_FLAGS property set will be excluded by default."
+			"Defaults to FALSE."
+	)
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_DEPENDENCY"
+		BRIEF_DOCS "Add this source file to dependencies of the automatically generated prefix header file."
+		FULL_DOCS
+			"If this property is set to TRUE, the source file is added to dependencies of the generated prefix header file."
+			"If the file is modified, cotire will re-generate the prefix header source upon build."
+			"Defaults to FALSE."
+	)
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS"
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of this source file."
+		FULL_DOCS
+			"This may be set to a semicolon-separated list of preprocessor symbols."
+			"cotire will add corresponding #undef directives to the generated unit source file before this file is included."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS"
+		BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of this source file."
+		FULL_DOCS
+			"This may be set to a semicolon-separated list of preprocessor symbols."
+			"cotire will add corresponding #undef directives to the generated unit source file after this file is included."
+			"Defaults to empty string."
+	)
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_START_NEW_UNITY_SOURCE"
+		BRIEF_DOCS "Start a new unity source file which includes this source file as the first one."
+		FULL_DOCS
+			"If this property is set to TRUE, cotire will complete the current unity file and start a new one."
+			"The new unity source file will include this source file as the first one."
+			"This property essentially works as a separator for unity source files."
+			"Defaults to FALSE."
+	)
+
+	define_property(
+		SOURCE PROPERTY "COTIRE_TARGET"
+		BRIEF_DOCS "Read-only property. Mark this source file as cotired for the given target."
+		FULL_DOCS
+			"cotire sets this property to the name of target, that the source file's build command has been altered for."
+			"Defaults to empty string."
+	)
+
+endif()

+ 1 - 1
include/BasicBlock.h

@@ -117,7 +117,7 @@ public:
     void findBBExps(LOCAL_ID &locals, Function *f);
     bool    valid() {return 0==(flg & INVALID_BB); }
     bool    wasTraversedAtLevel(int l) const {return traversed==l;}
-    ICODE * writeLoopHeader(int &indLevel, Function* pProc, int *numLoc, BB *&latch, boolT &repCond);
+    ICODE * writeLoopHeader(int &indLevel, Function* pProc, int *numLoc, BB *&latch, bool &repCond);
     void    addOutEdge(uint32_t ip)  // TODO: fix this
     {
         edges.push_back(TYPEADR_TYPE(ip));

+ 1 - 1
include/Enums.h

@@ -177,7 +177,7 @@ enum llIcode
     iPOP,
     iPOPA,
     iPOPF,
-    iPUSH,
+    iPUSH,      // 77
     iPUSHA,
     iPUSHF,
     iRCL,		/* 80 */

+ 2 - 0
include/Procedure.h

@@ -13,6 +13,7 @@ struct Expr;
 struct Disassembler;
 struct Function;
 struct CALL_GRAPH;
+struct PROG;
 
 typedef llvm::iplist<Function> FunctionListType;
 typedef FunctionListType lFunction;
@@ -189,6 +190,7 @@ public:
     void preprocessReturnDU(LivenessSet &_liveOut);
     Expr * adjustActArgType(Expr *_exp, hlType forType);
     std::string writeCall(Function *tproc, STKFRAME &args, int *numLoc);
+    void processDosInt(STATE *pstate, PROG &prog, bool done);
 protected:
     void extractJumpTableRange(ICODE& pIcode, STATE *pstate, JumpTable &table);
     bool followAllTableEntries(JumpTable &table, uint32_t cs, ICODE &pIcode, CALL_GRAPH *pcallGraph, STATE *pstate);

+ 2 - 0
include/ast.h

@@ -29,6 +29,7 @@ struct STKFRAME;
 struct LOCAL_ID;
 struct ICODE;
 struct LLInst;
+struct LLOperand;
 struct ID;
 typedef std::list<ICODE>::iterator iICODE;
 typedef boost::iterator_range<iICODE> rICODE;
@@ -291,6 +292,7 @@ struct RegisterNode : public AstIdent
         regiType = reg_type;
         regiIdx = idx;
     }
+    RegisterNode(const LLOperand &, LOCAL_ID *locsym);
 
     RegisterNode(eReg regi, uint32_t icodeFlg, LOCAL_ID *locsym);
     virtual Expr *clone() const

+ 2 - 18
include/dcc.h

@@ -22,22 +22,6 @@
 #include "BasicBlock.h"
 class Project;
 /* CALL GRAPH NODE */
-struct CALL_GRAPH
-{
-        ilFunction proc;               /* Pointer to procedure in pProcList	*/
-        std::vector<CALL_GRAPH *> outEdges; /* array of out edges                   */
-public:
-        void write();
-        CALL_GRAPH() : outEdges(0)
-        {
-        }
-public:
-        void writeNodeCallGraph(int indIdx);
-        bool insertCallGraph(ilFunction caller, ilFunction callee);
-        bool insertCallGraph(Function *caller, ilFunction callee);
-        void insertArc(ilFunction newProc);
-};
-//extern CALL_GRAPH * callGraph;	/* Pointer to the head of the call graph     */
 extern bundle cCode;			/* Output C procedure's declaration and code */
 
 /**** Global variables ****/
@@ -121,8 +105,8 @@ bool    LibCheck(Function &p);                              /* chklib.c     */
 boolT	insertCallGraph (CALL_GRAPH *, ilFunction, ilFunction);
 
 /* Exported functions from hlicode.c */
-char 	*writeJcond (const HLTYPE &, Function *, int *);
-char 	*writeJcondInv (HLTYPE, Function *, int *);
+const char *writeJcond(const HLTYPE &, Function *, int *);
+const char  *writeJcondInv (HLTYPE, Function *, int *);
 
 
 /* Exported funcions from locident.c */

+ 19 - 5
include/icode.h

@@ -13,7 +13,7 @@
 #include <llvm/ADT/ilist.h>
 #include <llvm/ADT/ilist_node.h>
 #include <llvm/MC/MCInst.h>
-#include <llvm/Instruction.h>
+#include <llvm/IR/Instruction.h>
 #include <boost/range/iterator_range.hpp>
 #include "libdis.h"
 #include "Enums.h"
@@ -252,16 +252,26 @@ struct LLOperand
     eReg       regi;              /* 0 < regs < INDEXBASE <= index modes  */
     int16_t    off;               /* memory address offset                */
     uint32_t   opz;             /*   idx of immed src op        */
+    bool immed;
+    bool is_offset; // set by jumps
+    bool is_compound;
+    size_t width;
     //union {/* Source operand if (flg & I)  */
     struct {				/* Call & # actual arg bytes	*/
         Function *proc;     /*   pointer to target proc (for CALL(F))*/
         int     cb;		/*   # actual arg bytes			*/
     } proc;
-    LLOperand() : seg(rUNDEF),segOver(rUNDEF),segValue(0),regi(rUNDEF),off(0),opz(0)
+    LLOperand() : seg(rUNDEF),segOver(rUNDEF),segValue(0),regi(rUNDEF),off(0),
+        opz(0),immed(0),is_offset(false),is_compound(0),width(0)
     {
         proc.proc=0;
         proc.cb=0;
     }
+    LLOperand(eReg r,size_t w) : LLOperand()
+    {
+        regi=r;
+        width=w;
+    }
     bool operator==(const LLOperand &with) const
     {
         return (seg==with.seg) &&
@@ -279,12 +289,12 @@ struct LLOperand
     }
     eReg getReg2() const {return regi;}
     bool isReg() const;
-    static LLOperand CreateImm2(int64_t Val)
+    static LLOperand CreateImm2(int64_t Val,uint8_t wdth=2)
     {
         LLOperand Op;
-        //Op.Kind = kImmediate;
-        //Op.ImmVal = Val;
+        Op.immed=true;
         Op.opz = Val;
+        Op.width = wdth;
         return Op;
     }
     static LLOperand CreateReg2(unsigned Val)
@@ -298,6 +308,10 @@ struct LLOperand
         return not (*this == LLOperand());
     }
     void addProcInformation(int param_count,uint32_t call_conv);
+    bool isImmediate() const { return immed;}
+    void setImmediate(bool x) { immed=x;}
+    bool compound() const {return is_compound;} // dx:ax pair
+    size_t byteWidth() const { assert(width<=4); return width;}
 };
 struct LLInst : public llvm::MCInst //: public llvm::ilist_node<LLInst>
 {

+ 4 - 0
include/project.h

@@ -4,6 +4,10 @@
 #include <cassert>
 #include <list>
 #include <llvm/ADT/ilist.h>
+#include <boost/icl/interval.hpp>
+#include <boost/icl/interval_map.hpp>
+#include <boost/icl/split_interval_map.hpp>
+#include <unordered_set>
 #include "symtab.h"
 #include "BinaryImage.h"
 #include "Procedure.h"

+ 1 - 1
include/state.h

@@ -33,7 +33,7 @@ struct STATE
     void setMemoryByte(uint32_t addr,uint8_t val)
     {
         //TODO: make this into a full scale value tracking class !
-    };
+    }
 };
 
 

+ 8 - 8
src/BasicBlock.cpp

@@ -66,7 +66,7 @@ void BB::display()
 
     for (size_t i = 0; i < edges.size(); i++)
     {
-        if(edges[i].BBptr==0)
+        if(edges[i].BBptr==nullptr)
             printf(" outEdge[%2zd] = Unlinked out edge to %d\n",i, edges[i].ip);
         else
             printf(" outEdge[%2zd] = %d\n",i, edges[i].BBptr->begin()->loc_ip);
@@ -132,7 +132,7 @@ void BB::displayDfs()
   \param indLevel indentation level - used for formatting.
   \param numLoc: last # assigned to local variables
 */
-ICODE* BB::writeLoopHeader(int &indLevel, Function* pProc, int *numLoc, BB *&latch, boolT &repCond)
+ICODE* BB::writeLoopHeader(int &indLevel, Function* pProc, int *numLoc, BB *&latch, bool &repCond)
 {
     latch = pProc->m_dfsLast[this->latchNode];
     std::ostringstream ostr;
@@ -192,8 +192,8 @@ void BB::writeCode (int indLevel, Function * pProc , int *numLoc,int _latchNode,
     int follow;						/* ifFollow                 	*/
     BB * succ, *latch;					/* Successor and latching node 	*/
     ICODE * picode;					/* Pointer to HLI_JCOND instruction	*/
-    char *l;                                            /* Pointer to HLI_JCOND expression	*/
-    boolT emptyThen,					/* THEN clause is empty			*/
+    std::string l;                  /* Pointer to HLI_JCOND expression	*/
+    bool emptyThen,					/* THEN clause is empty			*/
             repCond;					/* Repeat condition for while() */
 
     /* Check if this basic block should be analysed */
@@ -206,7 +206,7 @@ void BB::writeCode (int indLevel, Function * pProc , int *numLoc,int _latchNode,
 
     /* Check for start of loop */
     repCond = false;
-    latch = NULL;
+    latch = nullptr;
     if (loopType)
     {
        picode=writeLoopHeader(indLevel, pProc, numLoc, latch, repCond);
@@ -303,13 +303,13 @@ void BB::writeCode (int indLevel, Function * pProc , int *numLoc,int _latchNode,
                     if (succ->dfsLastNum != follow)	/* THEN part */
                     {
                         l = writeJcond ( *back().hl(), pProc, numLoc);
-                        cCode.appendCode( "\n%s%s", indentStr(indLevel-1), l);
+                        cCode.appendCode( "\n%s%s", indentStr(indLevel-1), l.c_str());
                         succ->writeCode (indLevel, pProc, numLoc, _latchNode,follow);
                     }
                     else		/* empty THEN part => negate ELSE part */
                     {
                         l = writeJcondInv ( *back().hl(), pProc, numLoc);
-                        cCode.appendCode( "\n%s%s", indentStr(indLevel-1), l);
+                        cCode.appendCode( "\n%s%s", indentStr(indLevel-1), l.c_str());
                         edges[ELSE].BBptr->writeCode (indLevel, pProc, numLoc, _latchNode, follow);
                         emptyThen = true;
                     }
@@ -345,7 +345,7 @@ void BB::writeCode (int indLevel, Function * pProc , int *numLoc,int _latchNode,
             else		/* no follow => if..then..else */
             {
                 l = writeJcond ( *back().hl(), pProc, numLoc);
-                cCode.appendCode( "%s%s", indentStr(indLevel-1), l);
+                cCode.appendCode( "%s%s", indentStr(indLevel-1), l.c_str());
                 edges[THEN].BBptr->writeCode (indLevel, pProc, numLoc, _latchNode, _ifFollow);
                 cCode.appendCode( "%s}\n%selse {\n", indentStr(indLevel-1), indentStr(indLevel - 1));
                 edges[ELSE].BBptr->writeCode (indLevel, pProc, numLoc, _latchNode, _ifFollow);

+ 119 - 0
src/RegisterNode.cpp

@@ -0,0 +1,119 @@
+#include <stdint.h>
+#include <string>
+#include <sstream>
+#include <iostream>
+#include <cassert>
+#include <boost/range.hpp>
+#include <boost/range/adaptors.hpp>
+//#include <boost/range/algorithm.hpp>
+//#include <boost/assign.hpp>
+
+#include "types.h"
+#include "ast.h"
+#include "bundle.h"
+
+#include "machine_x86.h"
+#include "project.h"
+using namespace std;
+using namespace boost::adaptors;
+RegisterNode::RegisterNode(const LLOperand &op,LOCAL_ID *locsym)
+{
+    ident.type(REGISTER);
+    hlType type_sel;
+    regType reg_type;
+    if (op.byteWidth()==1)
+    {
+        type_sel = TYPE_BYTE_SIGN;
+        reg_type = BYTE_REG;
+    }
+    else    /* uint16_t */
+    {
+        type_sel = TYPE_WORD_SIGN;
+        reg_type = WORD_REG;
+    }
+    regiIdx = locsym->newByteWordReg(type_sel, op.regi);
+    regiType = reg_type;
+}
+
+//RegisterNode::RegisterNode(eReg regi, uint32_t icodeFlg, LOCAL_ID *locsym)
+//{
+//    ident.type(REGISTER);
+//    hlType type_sel;
+//    regType reg_type;
+//    if ((icodeFlg & B) || (icodeFlg & SRC_B))
+//    {
+//        type_sel = TYPE_BYTE_SIGN;
+//        reg_type = BYTE_REG;
+//    }
+//    else    /* uint16_t */
+//    {
+//        type_sel = TYPE_WORD_SIGN;
+//        reg_type = WORD_REG;
+//    }
+//    regiIdx = locsym->newByteWordReg(type_sel, regi);
+//    regiType = reg_type;
+//}
+
+string RegisterNode::walkCondExpr(Function *pProc, int *numLoc) const
+{
+    std::ostringstream codeOut;
+
+    std::ostringstream o;
+    ID *id = &pProc->localId.id_arr[regiIdx];
+    if (id->name[0] == '\0')	/* no name */
+    {
+        id->setLocalName(++(*numLoc));
+        codeOut <<TypeContainer::typeName(id->type)<< " "<<id->name<<"; ";
+        codeOut <<"/* "<<Machine_X86::regName(id->id.regi)<<" */\n";
+    }
+    if (id->hasMacro)
+        o << id->macro << "("<<id->name<<")";
+    else
+        o << id->name;
+
+    cCode.appendDecl(codeOut.str());
+    return o.str();
+}
+
+int RegisterNode::hlTypeSize(Function *) const
+{
+    if (regiType == BYTE_REG)
+        return (1);
+    else
+        return (2);
+}
+
+
+
+hlType RegisterNode::expType(Function *pproc) const
+{
+    if (regiType == BYTE_REG)
+        return (TYPE_BYTE_SIGN);
+    else
+        return (TYPE_WORD_SIGN);
+}
+
+Expr *RegisterNode::insertSubTreeReg(Expr *_expr, eReg regi, const LOCAL_ID *locsym)
+{
+    eReg treeReg = locsym->id_arr[regiIdx].id.regi;
+    if (treeReg == regi)                        /* uint16_t reg */
+    {
+        return _expr;
+    }
+    else if(Machine_X86::isSubRegisterOf(treeReg,regi))    /* uint16_t/uint8_t reg */
+    {
+        return _expr;
+    }
+}
+bool RegisterNode::xClear(rICODE range_to_check, iICODE lastBBinst, const LOCAL_ID &locId)
+{
+    uint8_t regi = locId.id_arr[regiIdx].id.regi;
+    range_to_check.advance_begin(1);
+    auto all_valid_and_high_level_after_start = range_to_check | filtered(ICODE::select_valid_high_level);
+    for (ICODE &i : all_valid_and_high_level_after_start)
+        if (i.du.def.testRegAndSubregs(regi))
+            return false;
+    if (all_valid_and_high_level_after_start.end().base() != lastBBinst)
+        return true;
+    return false;
+}

+ 10 - 8
src/ast.cpp

@@ -298,7 +298,7 @@ Expr *AstIdent::id(const LLInst &ll_insn, opLoc sd, Function * pProc, iICODE ix_
 
     int idx;          /* idx into pIcode->localId table */
 
-    const LLOperand &pm((sd == SRC) ? ll_insn.src() : ll_insn.m_dst);
+    const LLOperand &pm(*ll_insn.get(sd));
 
     if (    ((sd == DST) && ll_insn.testFlags(IM_DST)) or
             ((sd == SRC) && ll_insn.testFlags(IM_SRC)) or
@@ -312,7 +312,7 @@ Expr *AstIdent::id(const LLInst &ll_insn, opLoc sd, Function * pProc, iICODE ix_
 
     else if ((sd == DST) && ll_insn.testFlags(IM_TMP_DST))
     {                                                   /* implicit tmp */
-        newExp = new RegisterNode(rTMP, 0, &pProc->localId);
+        newExp = new RegisterNode(LLOperand(rTMP,2), &pProc->localId);
         duIcode.setRegDU(rTMP, (operDu)eUSE);
     }
 
@@ -322,7 +322,8 @@ Expr *AstIdent::id(const LLInst &ll_insn, opLoc sd, Function * pProc, iICODE ix_
         newExp = new GlobalVariable(pm.segValue, pm.off);
     else if ( pm.isReg() )      /* register */
     {
-        newExp = new RegisterNode(pm.regi, (sd == SRC) ? ll_insn.getFlag() : ll_insn.getFlag() & NO_SRC_B, &pProc->localId);
+        //(sd == SRC) ? ll_insn.getFlag() : ll_insn.getFlag() & NO_SRC_B
+        newExp = new RegisterNode(pm, &pProc->localId);
         duIcode.setRegDU( pm.regi, du);
     }
 
@@ -359,10 +360,11 @@ Expr *AstIdent::id(const LLInst &ll_insn, opLoc sd, Function * pProc, iICODE ix_
                 case INDEX_BP: selected = rBP; break;
                 case INDEX_BX: selected = rBX; break;
                 default:
-                    newExp = 0;
+                    newExp = nullptr;
                     assert(false);
             }
-            newExp = new RegisterNode(selected, 0, &pProc->localId);
+            //NOTICE: was selected, 0
+            newExp = new RegisterNode(LLOperand(selected, 0), &pProc->localId);
             duIcode.setRegDU( selected, du);
             newExp = UnaryOperator::Create(DEREFERENCE, newExp);
         }
@@ -402,7 +404,7 @@ int hlSize[] = {2, 1, 1, 2, 2, 4, 4, 4, 2, 2, 1, 4, 4};
 
 int Expr::hlTypeSize(Function * pproc) const
 {
-    if (this == NULL)
+    if (this == nullptr)
         return (2);		/* for TYPE_UNKNOWN */
     fprintf(stderr,"hlTypeSize queried for Unkown type %d \n",m_type);
     return 2;			// CC: is this correct?
@@ -710,7 +712,7 @@ bool Expr::insertSubTreeReg (AstIdent *&tree, Expr *_expr, eReg regi,const LOCAL
 bool Expr::insertSubTreeReg (Expr *&tree, Expr *_expr, eReg regi,const LOCAL_ID *locsym)
 {
 
-    if (tree == NULL)
+    if (tree == nullptr)
         return false;
     Expr *temp=tree->insertSubTreeReg(_expr,regi,locsym);
     if(nullptr!=temp)
@@ -775,7 +777,7 @@ Expr *AstIdent::insertSubTreeReg(Expr *_expr, eReg regi, const LOCAL_ID *locsym)
  * long register index longIdx*/
 bool Expr::insertSubTreeLongReg(Expr *_expr, Expr *&tree, int longIdx)
 {
-    if (tree == NULL)
+    if (tree == nullptr)
         return false;
     Expr *temp=tree->insertSubTreeLongReg(_expr,longIdx);
     if(nullptr!=temp)

+ 5 - 4
src/backend.cpp

@@ -10,14 +10,15 @@
 #include <boost/range/adaptors.hpp>
 #include <boost/range/algorithm.hpp>
 
-#include "dcc.h"
-#include "disassem.h"
 #include <fstream>
 #include <iostream>
 #include <sstream>
 #include <string.h>
 #include <stdio.h>
+#include "dcc.h"
+#include "disassem.h"
 #include "project.h"
+#include "CallGraph.h"
 using namespace boost;
 using namespace boost::adaptors;
 bundle cCode;			/* Procedure declaration and code */
@@ -318,9 +319,9 @@ static void backBackEnd (CALL_GRAPH * pcallGraph, std::ostream &_ios)
     pcallGraph->proc->flg |= PROC_OUTPUT;
 
     /* Dfs if this procedure has any successors */
-    for (size_t i = 0; i < pcallGraph->outEdges.size(); i++)
+    for (auto & elem : pcallGraph->outEdges)
     {
-        backBackEnd (pcallGraph->outEdges[i], _ios);
+        backBackEnd (elem, _ios);
     }
 
     /* Generate code for this procedure */

+ 7 - 5
src/chklib.cpp

@@ -56,7 +56,7 @@ static  uint16_t    *T1base, *T2base;       /* Pointers to start of T1, T2 */
 static  uint16_t    *g;                     /* g[] */
 static  HT      *ht;                    /* The hash table */
 static  PH_FUNC_STRUCT *pFunc;          /* Points to the array of func names */
-static  hlType  *pArg=0;                /* Points to the array of param types */
+static  hlType  *pArg=nullptr;                /* Points to the array of param types */
 static  int     numFunc;                /* Number of func names actually stored */
 static  int     numArg;                 /* Number of param names actually stored */
 #define DCCLIBS "dcclibs.dat"           /* Name of the prototypes data file */
@@ -302,7 +302,7 @@ void SetupLibCheck(void)
     uint16_t w, len;
     int i;
 
-    if ((g_file = fopen(sSigName, "rb")) == NULL)
+    if ((g_file = fopen(sSigName, "rb")) == nullptr)
     {
         printf("Warning: cannot open signature file %s\n", sSigName);
         return;
@@ -392,7 +392,7 @@ void SetupLibCheck(void)
     /* This is now the hash table */
     /* First allocate space for the table */
     ht = new HT[numKeys];
-    if ( 0 == ht)
+    if ( nullptr == ht)
     {
         printf("Could not allocate hash table\n");
         exit(1);
@@ -446,7 +446,7 @@ bool LibCheck(Function & pProc)
     if (prog.bSigs == false)
     {
         /* No signatures... can't rely on hash parameters to be initialised
-                        so always return false */
+        so always return false */
         return false;
     }
 
@@ -457,6 +457,8 @@ bool LibCheck(Function & pProc)
         pProc.name = "main";
         return false;
     }
+    if(fileOffset + PATLEN > prog.cbImage)
+        return false;
     memcpy(pat, &prog.image()[fileOffset], PATLEN);
     //memmove(pat, &prog.image()[fileOffset], PATLEN);
     fixWildCards(pat);                  /* Fix wild cards in the copy */
@@ -888,7 +890,7 @@ void readProtoFile(void)
     }
     strcat(szProFName, DCCLIBS);
 
-    if ((fProto = fopen(szProFName, "rb")) == NULL)
+    if ((fProto = fopen(szProFName, "rb")) == nullptr)
     {
         printf("Warning: cannot open library prototype data file %s\n", szProFName);
         return;

+ 3 - 3
src/control.cpp

@@ -276,13 +276,13 @@ void Function::structLoops(derSeq *derivedG)
 
     /* Structure loops */
     /* for all derived sequences Gi */
-    for(derSeq::iterator iter=derivedG->begin(); iter!=derivedG->end(); ++iter)
+    for(auto & elem : *derivedG)
     {
         level++;
-        Ii = iter->Ii;
+        Ii = elem.Ii;
         while (Ii)       /* for all intervals Ii of Gi */
         {
-            latchNode = NULL;
+            latchNode = nullptr;
             intNodes.clear();
 
             /* Find interval head (original BB node in G1) and create

+ 23 - 27
src/dataflow.cpp

@@ -93,11 +93,11 @@ size_t STKFRAME::getLocVar(int off)
 /* Returns a string with the source operand of Icode */
 static Expr *srcIdent (const LLInst &ll_insn, Function * pProc, iICODE i, ICODE & duIcode, operDu du)
 {
-    if (ll_insn.testFlags(I))   /* immediate operand */
+    const LLOperand * src_op = ll_insn.get(SRC);
+    if (src_op->isImmediate())   /* immediate operand ll_insn.testFlags(I)*/
     {
-        if (ll_insn.testFlags(B))
-            return new Constant(ll_insn.src().getImm2(), 1);
-        return new Constant(ll_insn.src().getImm2(), 2);
+        //if (ll_insn.testFlags(B))
+        return new Constant(src_op->getImm2(), src_op->byteWidth());
     }
     // otherwise
     return AstIdent::id (ll_insn, SRC, pProc, i, duIcode, du);
@@ -148,6 +148,8 @@ void Function::elimCondCodes ()
                 if ((use & def) != use)
                     continue;
                 notSup = false;
+                LLOperand *dest_ll = defAt->ll()->get(DST);
+                LLOperand *src_ll = defAt->ll()->get(SRC);
                 if ((useAtOp >= iJB) && (useAtOp <= iJNS))
                 {
                     iICODE befDefAt = (++riICODE(defAt)).base();
@@ -161,29 +163,22 @@ void Function::elimCondCodes ()
                         case iOR:
                             lhs = defAt->hl()->asgn.lhs()->clone();
                             useAt->copyDU(*defAt, eUSE, eDEF);
-                            if (defAt->ll()->testFlags(B))
-                                rhs = new Constant(0, 1);
-                            else
-                                rhs = new Constant(0, 2);
+                            //if (defAt->ll()->testFlags(B))
+                            rhs = new Constant(0, dest_ll->byteWidth());
                             break;
 
                         case iTEST:
                             rhs = srcIdent (*defAt->ll(),this, befDefAt,*useAt, eUSE);
                             lhs = dstIdent (*defAt->ll(),this, befDefAt,*useAt, eUSE);
                             lhs = BinaryOperator::And(lhs, rhs);
-                            if (defAt->ll()->testFlags(B))
-                                rhs = new Constant(0, 1);
-                            else
-                                rhs = new Constant(0, 2);
+//                            if (defAt->ll()->testFlags(B))
+                            rhs = new Constant(0, dest_ll->byteWidth());
                             break;
                         case iINC:
                         case iDEC: //WARNING: verbatim copy from iOR needs fixing ?
                             lhs = defAt->hl()->asgn.lhs()->clone();
                             useAt->copyDU(*defAt, eUSE, eDEF);
-                            if (defAt->ll()->testFlags(B))
-                                rhs = new Constant(0, 1);
-                            else
-                                rhs = new Constant(0, 2);
+                            rhs = new Constant(0, dest_ll->byteWidth());
                             break;
                         default:
                             notSup = true;
@@ -202,7 +197,8 @@ void Function::elimCondCodes ()
 
                 else if (useAtOp == iJCXZ)
                 {
-                    lhs = new RegisterNode(rCX, 0, &localId);
+                    //NOTICE: was rCX, 0
+                    lhs = new RegisterNode(LLOperand(rCX, 0 ), &localId);
                     useAt->setRegDU (rCX, eUSE);
                     rhs = new Constant(0, 2);
                     _expr = BinaryOperator::Create(EQUAL,lhs,rhs);
@@ -514,7 +510,7 @@ void BB::genDU1()
     /* Process each register definition of a HIGH_LEVEL icode instruction.
      * Note that register variables should not be considered registers.
      */
-    assert(0!=Parent);
+    assert(nullptr!=Parent);
     ICODE::TypeFilter<HIGH_LEVEL> select_high_level;
     auto all_high_levels =  instructions | filtered(select_high_level);
     for (auto picode=all_high_levels.begin(); picode!=all_high_levels.end(); ++picode)
@@ -568,7 +564,7 @@ void LOCAL_ID::forwardSubs (Expr *lhs, Expr *rhs, iICODE picode, iICODE ticode,
     }
     RegisterNode * lhs_reg=dynamic_cast<RegisterNode *>(lhs_unary);
     assert(lhs_reg);
-    if (rhs == NULL)        /* In case expression popped is NULL */
+    if (rhs == nullptr)        /* In case expression popped is NULL */
         return;
 
     /* Insert on rhs of ticode, if possible */
@@ -607,7 +603,7 @@ static void forwardSubsLong (int longIdx, Expr *_exp, iICODE picode, iICODE tico
 {
     bool res;
 
-    if (_exp == NULL)        /* In case expression popped is NULL */
+    if (_exp == nullptr)        /* In case expression popped is NULL */
         return;
 
     /* Insert on rhs of ticode, if possible */
@@ -634,18 +630,18 @@ static void forwardSubsLong (int longIdx, Expr *_exp, iICODE picode, iICODE tico
  * instruction f up to instruction t.	*/
 bool UnaryOperator::xClear(rICODE range_to_check, iICODE lastBBinst, const LOCAL_ID &locs)
 {
-    if(0==unaryExp)
+    if(nullptr==unaryExp)
         return false;
     return unaryExp->xClear ( range_to_check, lastBBinst, locs);
 }
 
 bool BinaryOperator::xClear(rICODE range_to_check, iICODE lastBBinst, const LOCAL_ID &locs)
 {
-    if(0==m_rhs)
+    if(nullptr==m_rhs)
         return false;
     if ( ! m_rhs->xClear (range_to_check, lastBBinst, locs) )
         return false;
-    if(0==m_lhs)
+    if(nullptr==m_lhs)
         return false;
     return m_lhs->xClear (range_to_check, lastBBinst, locs);
 }
@@ -689,7 +685,7 @@ static int processCArg (Function * pp, Function * pProc, ICODE * picode, size_t
     {
         if (pp->args.numArgs > 0)
         {
-            if(_exp==NULL)
+            if(_exp==nullptr)
                 fprintf(stderr,"Would try to adjustForArgType with null _exp\n");
             else
                 pp->args.adjustForArgType (numArgs, _exp->expType (pProc));
@@ -794,7 +790,7 @@ void Function::processHliCall(Expr *_exp, iICODE picode)
             {
                 if (pp->args.numArgs >0)
                 {
-                    if(_exp==NULL)
+                    if(_exp==nullptr)
                     {
                         fprintf(stderr,"Would try to adjustForArgType with null _exp\n");
                     }
@@ -840,7 +836,7 @@ void BB::findBBExps(LOCAL_ID &locals,Function *fnc)
     Expr *_exp;     // expression pointer - for HLI_POP and HLI_CALL    */
     //Expr *lhs;	// exp ptr for return value of a HLI_CALL		*/
     iICODE ticode;     // Target icode                             */
-    HLTYPE *ti_hl=0;
+    HLTYPE *ti_hl=nullptr;
     uint8_t regi;
     numHlIcodes = 0;
     // register(s) to be forward substituted	*/
@@ -1129,7 +1125,7 @@ void Function::preprocessReturnDU(LivenessSet &_liveOut)
         //        int idx;
         bool isAx, isBx, isCx, isDx;
         eReg bad_regs[] = {rES,rCS,rDS,rSS};
-        constexpr char * names[] ={"ES","CS","DS","SS"};
+        constexpr const char * names[] ={"ES","CS","DS","SS"};
         for(int i=0; i<4; ++i)
             if(_liveOut.testReg(bad_regs[i]))
             {

+ 28 - 32
src/dcc.cpp

@@ -8,6 +8,7 @@
 #include "dcc.h"
 #include "project.h"
 
+#include "CallGraph.h"
 /* Global variables - extern to other modules */
 extern char    *asm1_name, *asm2_name;     /* Assembler output filenames     */
 extern SYMTAB  symtab;             /* Global symbol table      			  */
@@ -34,54 +35,49 @@ static void displayTotalStats(void);
 #include <llvm/CodeGen/MachineInstrBuilder.h>
 
 #include <llvm/TableGen/Main.h>
-#include <llvm/TableGen/TableGenAction.h>
+#include <llvm/TableGen/TableGenBackend.h>
 #include <llvm/TableGen/Record.h>
 /****************************************************************************
  * main
  ***************************************************************************/
 #include <iostream>
 using namespace llvm;
-class TVisitor : public TableGenAction {
-public:
-    virtual bool operator()(raw_ostream &OS, RecordKeeper &Records)
+bool TVisitor(raw_ostream &OS, RecordKeeper &Records)
+{
+    Record *rec = Records.getDef("ADD8i8");
+    if(rec)
     {
-        Record *rec = Records.getDef("ADD8i8");
-        if(rec)
-        {
-            if(not rec->getTemplateArgs().empty())
-                std::cout << "Has template args\n";
-            auto classes(rec->getSuperClasses());
-            for(auto val : rec->getSuperClasses())
-                std::cout << "Super "<<val->getName()<<"\n";
-
-//          DagInit * in = rec->getValueAsDag(val.getName());
-//          in->dump();
-            for(const RecordVal &val : rec->getValues())
-            {
-//                val.dump();
-            }
-            rec->dump();
-
-        }
-        //        rec = Records.getDef("CCR");
-        //        if(rec)
-        //            rec->dump();
-        for(auto val : Records.getDefs())
+        if(not rec->getTemplateArgs().empty())
+            std::cout << "Has template args\n";
+        auto classes(rec->getSuperClasses());
+        for(auto val : rec->getSuperClasses())
+            std::cout << "Super "<<val->getName()<<"\n";
+
+        //          DagInit * in = rec->getValueAsDag(val.getName());
+        //          in->dump();
+        for(const RecordVal &val : rec->getValues())
         {
-            //std::cout<< "Def "<<val.first<<"\n";
+            //                val.dump();
         }
-        return false;
+        rec->dump();
+
+    }
+    //        rec = Records.getDef("CCR");
+    //        if(rec)
+    //            rec->dump();
+    for(auto val : Records.getDefs())
+    {
+        //std::cout<< "Def "<<val.first<<"\n";
     }
-};
+    return false;
+}
 int testTblGen(int argc, char **argv)
 {
     using namespace llvm;
     sys::PrintStackTraceOnErrorSignal();
     PrettyStackTraceProgram(argc,argv);
     cl::ParseCommandLineOptions(argc,argv);
-    TVisitor tz;
-
-    return llvm::TableGenMain(argv[0],tz);
+    return llvm::TableGenMain(argv[0],TVisitor);
     InitializeNativeTarget();
     Triple TheTriple;
     std::string  def = sys::getDefaultTargetTriple();

+ 3 - 3
src/disassem.cpp

@@ -258,7 +258,7 @@ void Disassembler::dis1Line(LLInst &inst,int loc_ip, int pass)
     oper_stream << setw(5)<<left; // align for the labels
     {
         ostringstream lab_contents;
-        if (readVal(lab_contents, inst.label, 0))
+        if (readVal(lab_contents, inst.label, nullptr))
         {
             lab_contents << ':';             /* Also removes the null */
         }
@@ -343,7 +343,7 @@ void Disassembler::dis1Line(LLInst &inst,int loc_ip, int pass)
             ICODE *lab=pc.GetIcode(inst.src().getImm2());
             selectTable(Label);
             if ((inst.src().getImm2() < (uint32_t)numIcode) &&  /* Ensure in range */
-                    readVal(operands_s, lab->ll()->label, 0))
+                    readVal(operands_s, lab->ll()->label, nullptr))
             {
                 break;                          /* Symbolic label. Done */
             }
@@ -483,7 +483,7 @@ void Disassembler::dis1Line(LLInst &inst,int loc_ip, int pass)
     /* Check for user supplied comment */
     selectTable(Comment);
     ostringstream cbuf;
-    if (readVal(cbuf, inst.label, 0))
+    if (readVal(cbuf, inst.label, nullptr))
     {
         result_stream <<"; "<<cbuf.str();
     }

+ 1 - 2
src/fixwild.cpp

@@ -180,8 +180,7 @@ static bool op0F(uint8_t pat[])
     processor is in 16 bit address mode (real mode).
     PATLEN bytes are scanned.
 */
-void
-fixWildCards(uint8_t pat[])
+void fixWildCards(uint8_t pat[])
 {
 
     uint8_t op, quad, intArg;

+ 2 - 2
src/frontend.cpp

@@ -67,7 +67,7 @@ static void displayMemMap(void);
 ****************************************************************************/
 bool DccFrontend::FrontEnd ()
 {
-    Project::get()->callGraph = 0;
+    Project::get()->callGraph = nullptr;
     Project::get()->create(m_fname);
 
     /* Load program into memory */
@@ -213,7 +213,7 @@ void DccFrontend::LoadImage(Project &proj)
     uint8_t	buf[4];
 
     /* Open the input file */
-    if ((fp = fopen(proj.binary_path().c_str(), "rb")) == NULL)
+    if ((fp = fopen(proj.binary_path().c_str(), "rb")) == nullptr)
     {
         fatalError(CANNOT_OPEN, proj.binary_path().c_str());
     }

+ 9 - 9
src/graph.cpp

@@ -83,8 +83,8 @@ CondJumps:
                     if (ll->testFlags(SWITCH))
                     {
                         pBB = BB::Create(current_range, MULTI_BRANCH, this);
-                        for (size_t i = 0; i < ll->caseTbl2.size(); i++)
-                            pBB->addOutEdge(ll->caseTbl2[i]);
+                        for (auto & elem : ll->caseTbl2)
+                            pBB->addOutEdge(elem);
                         hasCase = true;
                     }
                     else if ((ll->getFlag() & (I | NO_LABEL)) == I) //TODO: WHY NO_LABEL TESTIT
@@ -138,9 +138,9 @@ CondJumps:
     for (; iter!=heldBBs.end(); ++iter)
     {
         pBB = *iter;
-        for (size_t edeg_idx = 0; edeg_idx < pBB->edges.size(); edeg_idx++)
+        for (auto & elem : pBB->edges)
         {
-            int32_t ip = pBB->edges[edeg_idx].ip;
+            int32_t ip = elem.ip;
             if (ip >= SYNTHESIZED_MIN)
             {
                 fatalError (INVALID_SYNTHETIC_BB);
@@ -151,7 +151,7 @@ CondJumps:
         if(iter2==heldBBs.end())
             fatalError(NO_BB, ip, name.c_str());
         psBB = *iter2;
-        pBB->edges[edeg_idx].BBptr = psBB;
+        elem.BBptr = psBB;
         psBB->inEdges.push_back((BB *)nullptr);
     }
 }
@@ -258,7 +258,7 @@ void Function::compressCFG()
 
     /* Allocate storage for dfsLast[] array */
     numBBs = stats.numBBaft;
-    m_dfsLast.resize(numBBs,0); // = (BB **)allocMem(numBBs * sizeof(BB *))
+    m_dfsLast.resize(numBBs,nullptr); // = (BB **)allocMem(numBBs * sizeof(BB *))
 
     /* Now do a dfs numbering traversal and fill in the inEdges[] array */
     last = numBBs - 1;
@@ -360,10 +360,10 @@ void BB::mergeFallThrough( CIcodeRec &Icode)
 traversed = DFS_MERGE;
 
 /* Process all out edges recursively */
-for (size_t i = 0; i < edges.size(); i++)
+for (auto & elem : edges)
 {
-    if (edges[i].BBptr->traversed != DFS_MERGE)
-        edges[i].BBptr->mergeFallThrough(Icode);
+    if (elem.BBptr->traversed != DFS_MERGE)
+        elem.BBptr->mergeFallThrough(Icode);
 }
 }
 

+ 32 - 33
src/hlicode.cpp

@@ -97,7 +97,7 @@ bool ICODE::removeDefRegi (eReg regi, int thisDefIdx, LOCAL_ID *locId)
     if(p and p->removeRegFromLong(regi,locId))
     {
         du1.removeDef(regi); //du1.numRegsDef--;
-		//du.def &= maskDuReg[regi];
+        //du.def &= maskDuReg[regi];
         du.def.clrReg(regi);
     }
     return false;
@@ -305,9 +305,9 @@ static bool  needsLhs(unsigned opc)
  *       refines the HIGH_LEVEL icodes. */
 void Function::highLevelGen()
 {
-    size_t numIcode;         /* number of icode instructions */
-    iICODE pIcode;        /* ptr to current icode node */
-    Expr *rhs; /* left- and right-hand side of expression */
+    size_t numIcode;        /* number of icode instructions */
+    iICODE pIcode;          /* ptr to current icode node */
+    Expr *rhs;              /* left- and right-hand side of expression */
     uint32_t _flg;          /* icode flags */
     numIcode = Icode.size();
     for (iICODE i = Icode.begin(); i!=Icode.end() ; ++i)
@@ -316,6 +316,8 @@ void Function::highLevelGen()
         assert(numIcode==Icode.size());
         pIcode = i; //Icode.GetIcode(i)
         LLInst *ll = pIcode->ll();
+        LLOperand *dst_ll = ll->get(DST);
+        LLOperand *src_ll = ll->get(SRC);
         if ( ll->testFlags(NOT_HLL) )
             pIcode->invalidate();
         if ((pIcode->type != LOW_LEVEL) or not pIcode->valid() )
@@ -327,8 +329,14 @@ void Function::highLevelGen()
                 if ( not ll->testFlags(NO_SRC) )   /* if there is src op */
                     rhs = AstIdent::id (*pIcode->ll(), SRC, this, i, *pIcode, NONE);
                 if(ll->m_dst.isSet() || (ll->getOpcode()==iMOD))
-                lhs = AstIdent::id (*pIcode->ll(), DST, this, i, *pIcode, NONE);
+                    lhs = AstIdent::id (*pIcode->ll(), DST, this, i, *pIcode, NONE);
             }
+        if(ll->getOpcode()==iPUSH) {
+            if(ll->testFlags(I)) {
+                lhs = new Constant(src_ll->opz,src_ll->byteWidth());
+            }
+//            lhs = AstIdent::id (*pIcode->ll(), DST, this, i, *pIcode, NONE);
+        }
         if(needsLhs(ll->getOpcode()))
             assert(lhs!=nullptr);
         switch (ll->getOpcode())
@@ -356,18 +364,13 @@ void Function::highLevelGen()
 
             case iDIV:
             case iIDIV:/* should be signed div */
+            {
+                eReg v = ( dst_ll->byteWidth()==1) ? rAL:rAX;
                 rhs = new BinaryOperator(DIV,lhs, rhs);
-                if ( ll->testFlags(B) )
-                {
-                    lhs = new RegisterNode(rAL, 0, &localId);
-                    pIcode->setRegDU( rAL, eDEF);
-                }
-                else
-                {
-                    lhs = new RegisterNode(rAX, 0, &localId);
-                    pIcode->setRegDU( rAX, eDEF);
-                }
+                lhs = new RegisterNode(LLOperand(v, dst_ll->byteWidth()), &localId);
+                pIcode->setRegDU( v, eDEF);
                 pIcode->setAsgn(lhs, rhs);
+            }
                 break;
 
             case iIMUL:
@@ -387,17 +390,13 @@ void Function::highLevelGen()
                 break;
 
             case iMOD:
+            {
                 rhs = new BinaryOperator(MOD,lhs, rhs);
-                eReg lhs_reg;
-
-                if ( ll->testFlags(B) )
-                    lhs_reg = rAH;
-                else
-                    lhs_reg = rDX;
-
-                lhs = new RegisterNode(lhs_reg, 0, &localId);
+                eReg lhs_reg = (dst_ll->byteWidth()==1) ? rAH : rDX;
+                lhs = new RegisterNode(LLOperand(lhs_reg, dst_ll->byteWidth()), &localId);
                 pIcode->setRegDU( lhs_reg, eDEF);
                 pIcode->setAsgn(lhs, rhs);
+            }
                 break;
 
             case iMOV:    pIcode->setAsgn(lhs, rhs);
@@ -415,7 +414,7 @@ void Function::highLevelGen()
                 break;
 
             case iNOT:
-                rhs = new BinaryOperator(NOT,NULL, rhs); // TODO: change this to unary NOT ?
+                rhs = new BinaryOperator(NOT,nullptr, rhs); // TODO: change this to unary NOT ?
                 pIcode->setAsgn(lhs, rhs);
                 break;
 
@@ -433,7 +432,7 @@ void Function::highLevelGen()
                 break;
 
             case iRET:
-            case iRETF:   pIcode->setUnary(HLI_RET, NULL);
+            case iRETF:   pIcode->setUnary(HLI_RET, nullptr);
                 break;
 
             case iSHL:
@@ -498,7 +497,7 @@ std::string Function::writeCall (Function * tproc, STKFRAME & args, int *numLoc)
 
 
 /* Displays the output of a HLI_JCOND icode. */
-char *writeJcond (const HLTYPE &h, Function * pProc, int *numLoc)
+const char *writeJcond (const HLTYPE &h, Function * pProc, int *numLoc)
 {
     memset (buf, ' ', sizeof(buf));
     buf[0] = '\0';
@@ -521,7 +520,7 @@ char *writeJcond (const HLTYPE &h, Function * pProc, int *numLoc)
 /* Displays the inverse output of a HLI_JCOND icode.  This is used in the case
  * when the THEN clause of an if..then..else is empty.  The clause is
  * negated and the ELSE clause is used instead.	*/
-char *writeJcondInv (HLTYPE h, Function * pProc, int *numLoc)
+const char *writeJcondInv(HLTYPE h, Function * pProc, int *numLoc)
 {
     memset (buf, ' ', sizeof(buf));
     buf[0] = '\0';
@@ -638,12 +637,12 @@ void ICODE::writeDU()
     {
         if (not du1.used(i))
             continue;
-            printf ("%d: du1[%d][] = ", my_idx, i);
-            for(auto j : du1.idx[i].uses)
-            {
-                printf ("%d ", j->loc_ip);
-            }
-            printf ("\n");
+        printf ("%d: du1[%d][] = ", my_idx, i);
+        for(auto j : du1.idx[i].uses)
+        {
+            printf ("%d ", j->loc_ip);
+        }
+        printf ("\n");
     }
 
     /* For HLI_CALL, print # parameter bytes */

+ 1 - 1
src/hltype.cpp

@@ -20,6 +20,6 @@ HlTypeSupport *HLTYPE::get()
     case HLI_PUSH:   return &exp;
     case HLI_CALL:   return &call;
     default:
-        return 0;
+        return nullptr;
     }
 }

+ 3 - 3
src/idioms.cpp

@@ -3,6 +3,8 @@
  * (C) Cristina Cifuentes
  ****************************************************************************/
 
+#include <llvm/Support/PatternMatch.h>
+#include <boost/iterator/filter_iterator.hpp>
 #include <cstring>
 #include <deque>
 #include "idiom.h"
@@ -15,8 +17,6 @@
 #include "shift_idioms.h"
 #include "arith_idioms.h"
 #include "dcc.h"
-#include <llvm/Support/PatternMatch.h>
-#include <boost/iterator/filter_iterator.hpp>
 /*****************************************************************************
  * JmpInst - Returns true if opcode is a conditional or unconditional jump
  ****************************************************************************/
@@ -116,7 +116,7 @@ void Function::findIdioms()
         case iCALL:  case iCALLF:
             /* Check for library functions that return a long register.
                          * Propagate this result */
-            if (pIcode->ll()->src().proc.proc != 0)
+            if (pIcode->ll()->src().proc.proc != nullptr)
                 if ((pIcode->ll()->src().proc.proc->flg & PROC_ISLIB) &&
                         (pIcode->ll()->src().proc.proc->flg & PROC_IS_FUNC))
                 {

+ 2 - 1
src/idioms/mov_idioms.cpp

@@ -27,6 +27,7 @@ bool Idiom14::match(iICODE pIcode)
         return false;
     m_icodes[0]=pIcode++;
     m_icodes[1]=pIcode++;
+    LLInst * matched [] = {m_icodes[0]->ll(),m_icodes[1]->ll()};
     /* Check for regL */
     m_regL = m_icodes[0]->ll()->m_dst.regi;
     if (not m_icodes[0]->ll()->testFlags(I) && ((m_regL == rAX) || (m_regL ==rBX)))
@@ -105,7 +106,7 @@ int Idiom13::action()
     eReg regi = m_icodes[0]->ll()->m_dst.regi;
     m_icodes[0]->du1.removeDef(regi);
     //m_icodes[0]->du1.numRegsDef--;   	/* prev uint8_t reg def */
-    lhs = new RegisterNode(m_loaded_reg, 0, &m_func->localId);
+    lhs = new RegisterNode(LLOperand(m_loaded_reg, 0), &m_func->localId);
     m_icodes[0]->setRegDU( m_loaded_reg, eDEF);
     rhs = AstIdent::id (*m_icodes[0]->ll(), SRC, m_func, m_icodes[0], *m_icodes[0], NONE);
     m_icodes[0]->setAsgn(lhs, rhs);

+ 1 - 1
src/idioms/neg_idioms.cpp

@@ -97,7 +97,7 @@ int Idiom16::action()
 {
     AstIdent *lhs;
     Expr *rhs;
-    lhs = new RegisterNode(m_icodes[0]->ll()->m_dst.regi, m_icodes[0]->ll()->getFlag(),&m_func->localId);
+    lhs = new RegisterNode(*m_icodes[0]->ll()->get(DST),&m_func->localId);
     rhs = UnaryOperator::Create(NEGATION, lhs->clone());
     m_icodes[0]->setAsgn(lhs, rhs);
     m_icodes[1]->invalidate();

+ 2 - 4
src/idioms/shift_idioms.cpp

@@ -81,9 +81,7 @@ int Idiom15::action()
     AstIdent *lhs;
 
     Expr *rhs,*_exp;
-    lhs = new RegisterNode(m_icodes[0]->ll()->m_dst.regi,
-                            m_icodes[0]->ll()->getFlag() & NO_SRC_B,
-                             &m_func->localId);
+    lhs = new RegisterNode(*m_icodes[0]->ll()->get(DST), &m_func->localId);
     rhs = new Constant(m_icodes.size(), 2);
     _exp = new BinaryOperator(SHL,lhs, rhs);
     m_icodes[0]->setAsgn(lhs, _exp);
@@ -159,7 +157,7 @@ int Idiom9::action()
 {
     int idx;
     AstIdent *lhs;
-    Expr *rhs,*expr;
+    Expr *expr;
     eReg regH,regL;
     regL=m_icodes[1]->ll()->m_dst.regi;
     regH=m_icodes[0]->ll()->m_dst.regi;

+ 54 - 0
src/liveness_set.cpp

@@ -0,0 +1,54 @@
+#include "BasicBlock.h"
+#include "machine_x86.h"
+
+/* DU bit definitions for each reg value - including index registers */
+LivenessSet duReg[] = { {},
+                        //AH AL . . AX, BH
+                        {rAH,rAL,rAX},{rCH,rCL,rCX},{rDH,rDL,rDX},{rBH,rBL,rBX},
+                            /* uint16_t regs */
+                        {rSP},{rBP},{rSI},{rDI},
+                        /* seg regs     */
+                        {rES},{rCS},{rSS},{rDS},
+                        /* uint8_t regs    */
+                        {rAL},{rCL},{rDL},{rBL},
+                        {rAH},{rCH},{rDH},{rBH},
+                        /* tmp reg      */
+                        {rTMP},{rTMP2},
+                        /* index regs   */
+                        {rBX,rSI},{rBX,rDI},{rBP,rSI},{rBP,rDI},
+                        {rSI},{rDI},{rBP},{rBX}
+                      };
+
+LivenessSet &LivenessSet::setReg(int r)
+{
+    this->reset();
+    *this |= duReg[r];
+    return *this;
+}
+LivenessSet &LivenessSet::clrReg(int r)
+{
+    return *this -= duReg[r];
+}
+
+LivenessSet &LivenessSet::addReg(int r)
+{
+    *this |= duReg[r];
+//   postProcessCompositeRegs();
+    return *this;
+}
+
+bool LivenessSet::testRegAndSubregs(int r) const
+{
+    return (*this & duReg[r]).any();
+}
+void LivenessSet::postProcessCompositeRegs()
+{
+    if(testReg(rAL) and testReg(rAH))
+        registers.insert(rAX);
+    if(testReg(rCL) and testReg(rCH))
+        registers.insert(rCX);
+    if(testReg(rDL) and testReg(rDH))
+        registers.insert(rDX);
+    if(testReg(rBL) and testReg(rBH))
+        registers.insert(rBX);
+}

+ 4 - 3
src/parser.cpp

@@ -12,6 +12,7 @@
 
 #include "dcc.h"
 #include "project.h"
+#include "CallGraph.h"
 using namespace std;
 
 //static void     FollowCtrl (Function * pProc, CALL_GRAPH * pcallGraph, STATE * pstate);
@@ -50,7 +51,7 @@ void DccFrontend::parse(Project &proj)
         /* We know where main() is. Start the flow of control from there */
         start_proc.procEntry = prog.offMain;
         /* In medium and large models, the segment of main may (will?) not be
-                        the same as the initial CS segment (of the startup code) */
+            the same as the initial CS segment (of the startup code) */
         state.setState(rCS, prog.segMain);
         start_proc.name = "main";
         state.IP = prog.offMain;
@@ -88,7 +89,7 @@ int strSize (const uint8_t *sym, char delim)
     const uint8_t *end_ptr=std::find(sym,sym+(prog.cbImage-(till_end)),delim);
     return end_ptr-sym+1;
 }
-Function *fakeproc=Function::Create(0,0,"fake");
+Function *fakeproc=Function::Create(nullptr,0,"fake");
 
 /* FollowCtrl - Given an initial procedure, state information and symbol table
  * builds a list of procedures reachable from the initial procedure
@@ -597,7 +598,7 @@ boolT Function::process_CALL (ICODE & pIcode, CALL_GRAPH * pcallGraph, STATE *ps
         }
 
         /* Address of function is given by 4 (CALLF) or 2 (CALL) bytes at
-                 * previous offset into the program image */
+         * previous offset into the program image */
         uint32_t tgtAddr=0;
         if (pIcode.ll()->getOpcode() == iCALLF)
             tgtAddr= LH(&prog.image()[off]) + ((uint32_t)(LH(&prog.image()[off+2])) << 4);

+ 4 - 3
src/procs.cpp

@@ -9,6 +9,7 @@
 #include <cassert>
 #include "dcc.h"
 #include "project.h"
+#include "CallGraph.h"
 
 extern Project g_proj;
 /* Static indentation buffer */
@@ -123,7 +124,7 @@ void LOCAL_ID::newRegArg(iICODE picode, iICODE ticode) const
         for(STKSYM &tgt_sym : *target_stackframe)
         {
             RegisterNode *tgt_sym_regs = dynamic_cast<RegisterNode *>(tgt_sym.regs);
-            if( tgt_sym_regs == NULL ) // both REGISTER and LONG_VAR require this precondition
+            if( tgt_sym_regs == nullptr ) // both REGISTER and LONG_VAR require this precondition
                 continue;
             if ( tgt_sym_regs->regiIdx == tidx )
             {
@@ -142,7 +143,7 @@ void LOCAL_ID::newRegArg(iICODE picode, iICODE ticode) const
         /* Check if register argument already on the formal argument list */
         for(STKSYM &tgt_sym : *target_stackframe)
         {
-            if( tgt_sym.regs == NULL ) // both REGISTER and LONG_VAR require this precondition
+            if( tgt_sym.regs == nullptr ) // both REGISTER and LONG_VAR require this precondition
                 continue;
             if ( tgt_sym.regs->ident.idNode.longIdx == tidx )
             {
@@ -273,7 +274,7 @@ Expr *Function::adjustActArgType (Expr *_exp, hlType forType)
     hlType actType;
     int offset, offL;
 
-    if (expr == NULL)
+    if (expr == nullptr)
         return _exp;
 
     actType = expr-> expType (this);

+ 2 - 2
src/project.cpp

@@ -9,7 +9,7 @@ SYMTAB  symtab;             /* Global symbol table      			  */
 STATS   stats;              /* cfg statistics       				  */
 //PROG    prog;               /* programs fields      				  */
 OPTION  option;             /* Command line options     			  */
-Project *Project::s_instance = 0;
+Project *Project::s_instance = nullptr;
 Project::Project() : callGraph(nullptr)
 {
     memset(&prog,0,sizeof(prog));
@@ -94,7 +94,7 @@ const std::string &Project::symbolName(size_t idx)
 Project *Project::get()
 {
     //WARNING: poor man's singleton, not thread safe
-    if(s_instance==0)
+    if(s_instance==nullptr)
         s_instance=new Project;
     return s_instance;
 }

+ 1 - 1
src/proplong.cpp

@@ -352,7 +352,7 @@ int Function::findBackwarLongDefs(int loc_ident_idx, const ID &pLocId, iICODE be
                 icode.setRegDU( pmH->regi, eDEF);
                 icode.setUnary(HLI_POP, asgn.lhs);
                 next1->invalidate();
-                asgn.lhs=0;
+                asgn.lhs=nullptr;
                 forced_finish=true;        /* to exit the loop */
             }
             break;

+ 8 - 8
src/reducible.cpp

@@ -54,7 +54,7 @@ BB *interval::firstOfInt ()
 {
     auto pq = currNode;
     if (pq == nodes.end())
-        return 0;
+        return nullptr;
     ++currNode;
     return *pq;
 }
@@ -108,7 +108,7 @@ void derSeq_Entry::findIntervals (Function *c)
 
     appendQueue (H, Gi);  /* H = {first node of G} */
     Gi->beenOnH = true;
-    Gi->reachingInt = BB::Create(0,"",c); /* ^ empty BB */
+    Gi->reachingInt = BB::Create(nullptr,"",c); /* ^ empty BB */
 
     /* Process header nodes list H */
     while (!H.empty())
@@ -124,15 +124,15 @@ void derSeq_Entry::findIntervals (Function *c)
         pI->appendNodeInt (H, header);   /* pI(header) = {header} */
 
         /* Process all nodes in the current interval list */
-        while ((h = pI->firstOfInt()) != NULL)
+        while ((h = pI->firstOfInt()) != nullptr)
         {
             /* Check all immediate successors of h */
-            for (size_t i = 0; i < h->edges.size(); i++)
+            for (auto & elem : h->edges)
             {
-                succ = h->edges[i].BBptr;
+                succ = elem.BBptr;
                 succ->inEdgeCount--;
 
-                if (succ->reachingInt == NULL)   /* first visit */
+                if (succ->reachingInt == nullptr)   /* first visit */
                 {
                     succ->reachingInt = header;
                     if (succ->inEdgeCount == 0)
@@ -182,7 +182,7 @@ static void displayIntervals (interval *pI)
         printf ("  Interval #: %d\t#OutEdges: %d\n", pI->numInt, pI->numOutEdges);
         for(BB *node : pI->nodes)
         {
-            if (node->correspInt == NULL)    /* real BBs */
+            if (node->correspInt == nullptr)    /* real BBs */
                 printf ("    Node: %d\n", node->begin()->loc_ip);
             else             // BBs represent intervals
                 printf ("   Node (corresp int): %d\n", node->correspInt->numInt);
@@ -248,7 +248,7 @@ bool Function::nextOrderGraph (derSeq &derivedGi)
     derSeq_Entry &new_entry(derivedGi.back());
 
     sameGraph = true;
-    BBnode = 0;
+    BBnode = nullptr;
     std::vector<BB *> bbs;
     for(Ii = prev_entry.Ii; Ii != nullptr; Ii = Ii->next)
     {

+ 24 - 18
src/scanner.cpp

@@ -64,7 +64,7 @@ static struct {
     {  data1,   axImp, B                        , iADD	},  /* 04 */
     {  data2,   axImp, 0                        , iADD	},  /* 05 */
     {  segop,   none2, NO_SRC                   , iPUSH	},  /* 06 */
-    {  segop,   none2, NO_SRC 			, iPOP	},  /* 07 */
+    {  segop,   none2, NO_SRC                   , iPOP	},  /* 07 */
     {  modrm,   none2, B                        , iOR	},  /* 08 */
     {  modrm,   none2, NSP                      , iOR	},  /* 09 */
     {  modrm,   none2, TO_REG | B               , iOR	},  /* 0A */
@@ -96,7 +96,7 @@ static struct {
     {  data1,   axImp, B                        , iAND	},	/* 24 */
     {  data2,   axImp, 0                        , iAND	},	/* 25 */
     { prefix,   none2, 0                        , (IC)rES},	/* 26 */
-    {  none1,   axImp, NOT_HLL | B|NO_SRC	, iDAA	},	/* 27 */
+    {  none1,   axImp, NOT_HLL | B|NO_SRC       , iDAA	},	/* 27 */
     {  modrm,   none2, B                        , iSUB	},	/* 28 */
     {  modrm,   none2, 0                        , iSUB	},	/* 29 */
     {  modrm,   none2, TO_REG | B               , iSUB	},	/* 2A */
@@ -133,7 +133,7 @@ static struct {
     {  regop,   none2, 0                        , iDEC	},	/* 49 */
     {  regop,   none2, 0                        , iDEC	},	/* 4A */
     {  regop,   none2, 0                        , iDEC	},	/* 4B */
-    {  regop,   none2, NOT_HLL			, iDEC	},	/* 4C */
+    {  regop,   none2, NOT_HLL                  , iDEC	},	/* 4C */
     {  regop,   none2, 0                        , iDEC	},	/* 4D */
     {  regop,   none2, 0                        , iDEC	},	/* 4E */
     {  regop,   none2, 0                        , iDEC	},	/* 4F */
@@ -450,7 +450,7 @@ LLOperand convertExpression(const x86_ea_t &from)
     {
         eReg base_reg = convertRegister(from.base);
         eReg index_reg = convertRegister(from.index);
-//        if(base_reg==rBX)
+        //        if(base_reg==rBX)
         switch(base_reg)
         {
             case rDI:
@@ -566,8 +566,8 @@ eErrorId scan(uint32_t ip, ICODE &p)
         if(p.insn.x86_get_branch_target())
             decodeBranchTgt(p.insn);
     }
-//    LLOperand conv = convertOperand(*p.insn.get_dest());
-//    assert(conv==p.ll()->dst);
+    //    LLOperand conv = convertOperand(*p.insn.get_dest());
+    //    assert(conv==p.ll()->dst);
     if (p.ll()->getOpcode())
     {
         /* Save bytes of image used */
@@ -626,14 +626,12 @@ static int signex(uint8_t b)
  ***************************************************************************/
 static void setAddress(int i, bool fdst, uint16_t seg, int16_t reg, uint16_t off)
 {
-    LLOperand *pm;
-
     /* If not to register (i.e. to r/m), and talking about r/m, then this is dest */
-    pm = (!(stateTable[i].flg & TO_REG) == fdst) ?
-                &pIcode->ll()->m_dst : &pIcode->ll()->src();
+    LLOperand *pm = (!(stateTable[i].flg & TO_REG) == fdst) ? &pIcode->ll()->m_dst : &pIcode->ll()->src();
 
     /* Set segment.  A later procedure (lookupAddr in proclist.c) will
-         * provide the value of this segment in the field segValue.  */
+     * provide the value of this segment in the field segValue.
+    */
     if (seg)  		/* segment override */
     {
         pm->seg = pm->segOver = (eReg)seg;
@@ -733,7 +731,7 @@ static void segrm(int i)
  ***************************************************************************/
 static void regop(int i)
 {
-    setAddress(i, false, 0, ((int16_t)i & 7) + rAX, 0);
+    setAddress(i, false, 0, ((int16_t)i & 0x7) + rAX, 0);
     pIcode->ll()->replaceDst(pIcode->ll()->src());
 
 }
@@ -743,6 +741,9 @@ static void regop(int i)
  *****************************************************************************/
 static void segop(int i)
 {
+    if(i==0x1E) {
+        printf("es");
+    }
     setAddress(i, true, 0, (((int16_t)i & 0x18) >> 3) + rES, 0);
 }
 
@@ -837,11 +838,14 @@ static void trans(int i)
 {
     static llIcode transTable[8] =
     {
-        (llIcode)iINC, (llIcode)iDEC, (llIcode)iCALL, (llIcode)iCALLF,
+        (llIcode)iINC, iDEC, (llIcode)iCALL, (llIcode)iCALLF,
         (llIcode)iJMP, (llIcode)iJMPF,(llIcode)iPUSH, (llIcode)0
     };
     LLInst *ll = pIcode->ll();
-    if ((uint8_t)REG(*pInst) < 2 || !(stateTable[i].flg & B)) { /* INC & DEC */
+    if(transTable[REG(*pInst)]==iPUSH) {
+        printf("es");
+    }
+    if ((uint8_t)REG(*pInst) < 2 || !(stateTable[i].flg & B)) { /* INC & DEC */        
         ll->setOpcode(transTable[REG(*pInst)]);   /* valid on bytes */
         rm(i);
         ll->replaceSrc( pIcode->ll()->m_dst );
@@ -895,7 +899,7 @@ static void arith(int i)
  *****************************************************************************/
 static void data1(int i)
 {
-    pIcode->ll()->replaceSrc(LLOperand::CreateImm2((stateTable[i].flg & S_EXT)? signex(*pInst++): *pInst++));
+    pIcode->ll()->replaceSrc(LLOperand::CreateImm2((stateTable[i].flg & S_EXT)? signex(*pInst++): *pInst++,1));
     pIcode->ll()->setFlags(I);
 }
 
@@ -937,6 +941,7 @@ static void dispM(int i)
  ****************************************************************************/
 static void dispN(int )
 {
+
     //PROG &prog(Project::get()->prog);
     /*long off = (short)*/getWord();	/* Signed displacement */
 
@@ -961,10 +966,11 @@ static void dispS(int )
 /****************************************************************************
  dispF - 4 byte disp as immed 20-bit target address
  ***************************************************************************/
-static void dispF(int )
+static void dispF(int i)
 {
-    /*off = */(unsigned)getWord();
-    /*seg = */(unsigned)getWord();
+    uint16_t off = (unsigned)getWord();
+    uint16_t seg = (unsigned)getWord();
+    setAddress(i, true, seg, 0, off);
     //    decodeBranchTgt();
 }
 

+ 2 - 2
src/symtab.cpp

@@ -53,7 +53,7 @@ struct TABLEINFO_TYPE
 {
     TABLEINFO_TYPE()
     {
-        symTab=valTab=0;
+        symTab=valTab=nullptr;
     }
     //void deleteVal(uint32_t symOff, Function *symProc, boolT bSymToo);
     void create(tableType type);
@@ -80,7 +80,7 @@ void TABLEINFO_TYPE::create(tableType type)
             numEntry  = 0;
             tableSize = TABLESIZE;
             valTab = new SYMTABLE [TABLESIZE];
-            symTab = 0;
+            symTab = nullptr;
             break;
         case Label:
             currentTabInfo.numEntry  = 0;

+ 1 - 1
src/udm.cpp

@@ -44,7 +44,7 @@ void Function::controlFlowAnalysis()
 {
     if (flg & PROC_ISLIB)
         return;         /* Ignore library functions */
-    derSeq *derivedG=0;
+    derSeq *derivedG=nullptr;
 
     /* Make cfg reducible and build derived sequences */
     derivedG=checkReducibility();