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- ################################################################################
- # CMake package infrastructure
- #
- # This file implements an infrastructure that eases development of
- # package .mk files for CMake packages. It should be used for all
- # packages that use CMake as their build system.
- #
- # See the Buildroot documentation for details on the usage of this
- # infrastructure
- #
- # In terms of implementation, this CMake infrastructure requires
- # the .mk file to only specify metadata information about the
- # package: name, version, download URL, etc.
- #
- # We still allow the package .mk file to override what the different
- # steps are doing, if needed. For example, if <PKG>_BUILD_CMDS is
- # already defined, it is used as the list of commands to perform to
- # build the package, instead of the default CMake behaviour. The
- # package can also define some post operation hooks.
- #
- ################################################################################
- # Set compiler variables.
- ifeq ($(BR2_CCACHE),y)
- CMAKE_HOST_C_COMPILER = $(HOST_DIR)/bin/ccache
- CMAKE_HOST_CXX_COMPILER = $(HOST_DIR)/bin/ccache
- CMAKE_HOST_C_COMPILER_ARG1 = $(HOSTCC_NOCCACHE)
- CMAKE_HOST_CXX_COMPILER_ARG1 = $(HOSTCXX_NOCCACHE)
- else
- CMAKE_HOST_C_COMPILER = $(HOSTCC)
- CMAKE_HOST_CXX_COMPILER = $(HOSTCXX)
- endif
- ifneq ($(QUIET),)
- CMAKE_QUIET = -DCMAKE_RULE_MESSAGES=OFF -DCMAKE_INSTALL_MESSAGE=NEVER
- endif
- ################################################################################
- # inner-cmake-package -- defines how the configuration, compilation and
- # installation of a CMake package should be done, implements a few hooks to
- # tune the build process and calls the generic package infrastructure to
- # generate the necessary make targets
- #
- # argument 1 is the lowercase package name
- # argument 2 is the uppercase package name, including a HOST_ prefix
- # for host packages
- # argument 3 is the uppercase package name, without the HOST_ prefix
- # for host packages
- # argument 4 is the type (target or host)
- ################################################################################
- define inner-cmake-package
- $(2)_CONF_ENV ?=
- $(2)_CONF_OPTS ?=
- $(2)_MAKE ?= $$(MAKE)
- $(2)_MAKE_ENV ?=
- $(2)_MAKE_OPTS ?=
- $(2)_INSTALL_OPTS ?= install
- $(2)_INSTALL_STAGING_OPTS ?= DESTDIR=$$(STAGING_DIR) install/fast
- $(2)_INSTALL_TARGET_OPTS ?= DESTDIR=$$(TARGET_DIR) install/fast
- $(3)_SUPPORTS_IN_SOURCE_BUILD ?= YES
- ifeq ($$($(3)_SUPPORTS_IN_SOURCE_BUILD),YES)
- $(2)_BUILDDIR = $$($(2)_SRCDIR)
- else
- $(2)_BUILDDIR = $$($(2)_SRCDIR)/buildroot-build
- endif
- #
- # Configure step. Only define it if not already defined by the package
- # .mk file. And take care of the differences between host and target
- # packages.
- #
- ifndef $(2)_CONFIGURE_CMDS
- ifeq ($(4),target)
- # Configure package for target
- #
- # - We are passing BUILD_SHARED_LIBS because it is documented as a
- # standard CMake variable to control the build of shared libraries
- # (see https://cmake.org/cmake/help/v3.8/manual/cmake-variables.7.html#variables-that-change-behavior)
- # - We are not passing BUILD_STATIC_LIBS because it is *not*
- # documented as a standard CMake variable. If a package supports it,
- # it must handle it explicitly.
- #
- define $(2)_CONFIGURE_CMDS
- (mkdir -p $$($$(PKG)_BUILDDIR) && \
- cd $$($$(PKG)_BUILDDIR) && \
- rm -f CMakeCache.txt && \
- PATH=$$(BR_PATH) \
- $$($$(PKG)_CONF_ENV) $$(BR2_CMAKE) $$($$(PKG)_SRCDIR) \
- -DCMAKE_TOOLCHAIN_FILE="$$(HOST_DIR)/share/buildroot/toolchainfile.cmake" \
- -DCMAKE_INSTALL_PREFIX="/usr" \
- -DCMAKE_COLOR_MAKEFILE=OFF \
- -DBUILD_DOC=OFF \
- -DBUILD_DOCS=OFF \
- -DBUILD_EXAMPLE=OFF \
- -DBUILD_EXAMPLES=OFF \
- -DBUILD_TEST=OFF \
- -DBUILD_TESTS=OFF \
- -DBUILD_TESTING=OFF \
- -DBUILD_SHARED_LIBS=$$(if $$(BR2_STATIC_LIBS),OFF,ON) \
- $$(CMAKE_QUIET) \
- $$($$(PKG)_CONF_OPTS) \
- )
- endef
- else
- # Configure package for host
- define $(2)_CONFIGURE_CMDS
- (mkdir -p $$($$(PKG)_BUILDDIR) && \
- cd $$($$(PKG)_BUILDDIR) && \
- rm -f CMakeCache.txt && \
- PATH=$$(BR_PATH) \
- PKG_CONFIG="$$(PKG_CONFIG_HOST_BINARY)" \
- PKG_CONFIG_SYSROOT_DIR="/" \
- PKG_CONFIG_LIBDIR="$$(HOST_DIR)/lib/pkgconfig:$$(HOST_DIR)/share/pkgconfig" \
- PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
- PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
- $$($$(PKG)_CONF_ENV) $$(BR2_CMAKE) $$($$(PKG)_SRCDIR) \
- -DCMAKE_INSTALL_SO_NO_EXE=0 \
- -DCMAKE_FIND_ROOT_PATH="$$(HOST_DIR)" \
- -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="BOTH" \
- -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY="BOTH" \
- -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" \
- -DCMAKE_INSTALL_PREFIX="$$(HOST_DIR)" \
- -DCMAKE_C_FLAGS="$$(HOST_CFLAGS)" \
- -DCMAKE_CXX_FLAGS="$$(HOST_CXXFLAGS)" \
- -DCMAKE_EXE_LINKER_FLAGS="$$(HOST_LDFLAGS)" \
- -DCMAKE_SHARED_LINKER_FLAGS="$$(HOST_LDFLAGS)" \
- -DCMAKE_ASM_COMPILER="$$(HOSTAS)" \
- -DCMAKE_C_COMPILER="$$(CMAKE_HOST_C_COMPILER)" \
- -DCMAKE_CXX_COMPILER="$$(CMAKE_HOST_CXX_COMPILER)" \
- $(if $$(CMAKE_HOST_C_COMPILER_ARG1),\
- -DCMAKE_C_COMPILER_ARG1="$$(CMAKE_HOST_C_COMPILER_ARG1)" \
- -DCMAKE_CXX_COMPILER_ARG1="$$(CMAKE_HOST_CXX_COMPILER_ARG1)" \
- ) \
- -DCMAKE_COLOR_MAKEFILE=OFF \
- -DBUILD_DOC=OFF \
- -DBUILD_DOCS=OFF \
- -DBUILD_EXAMPLE=OFF \
- -DBUILD_EXAMPLES=OFF \
- -DBUILD_TEST=OFF \
- -DBUILD_TESTS=OFF \
- -DBUILD_TESTING=OFF \
- $$(CMAKE_QUIET) \
- $$($$(PKG)_CONF_OPTS) \
- )
- endef
- endif
- endif
- # Since some CMake modules (even upstream ones) use pgk_check_modules
- # primitives to find {C,LD}FLAGS, add it to the dependency list.
- $(2)_DEPENDENCIES += host-pkgconf
- $(2)_DEPENDENCIES += $(BR2_CMAKE_HOST_DEPENDENCY)
- #
- # Build step. Only define it if not already defined by the package .mk
- # file.
- #
- ifndef $(2)_BUILD_CMDS
- ifeq ($(4),target)
- define $(2)_BUILD_CMDS
- $$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) -C $$($$(PKG)_BUILDDIR)
- endef
- else
- define $(2)_BUILD_CMDS
- $$(HOST_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) -C $$($$(PKG)_BUILDDIR)
- endef
- endif
- endif
- #
- # Host installation step. Only define it if not already defined by the
- # package .mk file.
- #
- ifndef $(2)_INSTALL_CMDS
- define $(2)_INSTALL_CMDS
- $$(HOST_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_OPTS) -C $$($$(PKG)_BUILDDIR)
- endef
- endif
- #
- # Staging installation step. Only define it if not already defined by
- # the package .mk file.
- #
- ifndef $(2)_INSTALL_STAGING_CMDS
- define $(2)_INSTALL_STAGING_CMDS
- $$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_STAGING_OPTS) -C $$($$(PKG)_BUILDDIR)
- endef
- endif
- #
- # Target installation step. Only define it if not already defined by
- # the package .mk file.
- #
- ifndef $(2)_INSTALL_TARGET_CMDS
- define $(2)_INSTALL_TARGET_CMDS
- $$(TARGET_MAKE_ENV) $$($$(PKG)_MAKE_ENV) $$($$(PKG)_MAKE) $$($$(PKG)_MAKE_OPTS) $$($$(PKG)_INSTALL_TARGET_OPTS) -C $$($$(PKG)_BUILDDIR)
- endef
- endif
- # Call the generic package infrastructure to generate the necessary
- # make targets
- $(call inner-generic-package,$(1),$(2),$(3),$(4))
- endef
- ################################################################################
- # cmake-package -- the target generator macro for CMake packages
- ################################################################################
- cmake-package = $(call inner-cmake-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
- host-cmake-package = $(call inner-cmake-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
- ################################################################################
- # Generation of the CMake toolchain file
- ################################################################################
- # CMAKE_SYSTEM_PROCESSOR should match uname -m
- ifeq ($(BR2_ARM_CPU_ARMV4),y)
- CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv4
- else ifeq ($(BR2_ARM_CPU_ARMV5),y)
- CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv5
- else ifeq ($(BR2_ARM_CPU_ARMV6),y)
- CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv6
- else ifeq ($(BR2_ARM_CPU_ARMV7A),y)
- CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv7
- else ifeq ($(BR2_ARM_CPU_ARMV8A),y)
- CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT = armv8
- endif
- ifeq ($(BR2_arm),y)
- CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)l
- else ifeq ($(BR2_armeb),y)
- CMAKE_SYSTEM_PROCESSOR = $(CMAKE_SYSTEM_PROCESSOR_ARM_VARIANT)b
- else ifeq ($(call qstrip,$(BR2_ARCH)),powerpc64)
- CMAKE_SYSTEM_PROCESSOR = ppc64
- else ifeq ($(call qstrip,$(BR2_ARCH)),powerpc64le)
- CMAKE_SYSTEM_PROCESSOR = ppc64le
- else
- CMAKE_SYSTEM_PROCESSOR = $(BR2_ARCH)
- endif
- # In order to allow the toolchain to be relocated, we calculate the HOST_DIR
- # based on the toolchainfile.cmake file's location: $(HOST_DIR)/share/buildroot
- # In all the other variables, HOST_DIR will be replaced by RELOCATED_HOST_DIR,
- # so we have to strip "$(HOST_DIR)/" from the paths that contain it.
- define TOOLCHAIN_CMAKE_INSTALL_FILES
- @mkdir -p $(HOST_DIR)/share/buildroot
- sed \
- -e 's#@@STAGING_SUBDIR@@#$(call qstrip,$(STAGING_SUBDIR))#' \
- -e 's#@@TARGET_CFLAGS@@#$(call qstrip,$(TARGET_CFLAGS))#' \
- -e 's#@@TARGET_CXXFLAGS@@#$(call qstrip,$(TARGET_CXXFLAGS))#' \
- -e 's#@@TARGET_FCFLAGS@@#$(call qstrip,$(TARGET_FCFLAGS))#' \
- -e 's#@@TARGET_LDFLAGS@@#$(call qstrip,$(TARGET_LDFLAGS))#' \
- -e 's#@@TARGET_CC@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_CC)))#' \
- -e 's#@@TARGET_CXX@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_CXX)))#' \
- -e 's#@@TARGET_FC@@#$(subst $(HOST_DIR)/,,$(call qstrip,$(TARGET_FC)))#' \
- -e 's#@@CMAKE_SYSTEM_PROCESSOR@@#$(call qstrip,$(CMAKE_SYSTEM_PROCESSOR))#' \
- -e 's#@@TOOLCHAIN_HAS_FORTRAN@@#$(if $(BR2_TOOLCHAIN_HAS_FORTRAN),1,0)#' \
- -e 's#@@CMAKE_BUILD_TYPE@@#$(if $(BR2_ENABLE_DEBUG),Debug,Release)#' \
- $(TOPDIR)/support/misc/toolchainfile.cmake.in \
- > $(HOST_DIR)/share/buildroot/toolchainfile.cmake
- $(Q)$(INSTALL) -D -m 0644 support/misc/Buildroot.cmake \
- $(HOST_DIR)/share/buildroot/Platform/Buildroot.cmake
- endef
- TOOLCHAIN_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_CMAKE_INSTALL_FILES
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