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Starting our C++ Project: enable SDL libraries in the build

Godzil 1 year ago
parent
commit
48881f2654

+ 102 - 0
external/cmake/FindSDL2_gfx.cmake

@@ -0,0 +1,102 @@
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# based on https://trenki2.github.io/blog/2017/07/04/using-sdl2-image-with-cmake/
+
+#.rst:
+# FindSDL2_gfx
+# -------------
+#
+# Locate SDL2_gfx library
+#
+# This module defines:
+#
+# ::
+#
+# SDL2_GFX_LIBRARIES, the name of the library to link against
+# SDL2_GFX_INCLUDE_DIRS, where to find the headers
+# SDL2_GFX_FOUND, if false, do not try to link against
+# SDL2_GFX_VERSION_STRING - human-readable string containing the
+# version of SDL2_gfx
+#
+#
+#
+# For backward compatibility the following variables are also set:
+#
+# ::
+#
+# SDL2GFX_LIBRARY (same value as SDL2_GFX_LIBRARIES)
+# SDL2GFX_INCLUDE_DIR (same value as SDL2_GFX_INCLUDE_DIRS)
+# SDL2GFX_FOUND (same value as SDL2_GFX_FOUND)
+#
+#
+#
+# $SDLDIR is an environment variable that would correspond to the
+# ./configure --prefix=$SDLDIR used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+if(NOT SDL2_GFX_INCLUDE_DIR AND SDL2GFX_INCLUDE_DIR)
+    set(SDL2_GFX_INCLUDE_DIR ${SDL2GFX_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
+endif()
+find_path(SDL2_GFX_INCLUDE_DIR SDL_image.h
+        HINTS
+        ENV SDL2GFXDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES SDL2
+        # path suffixes to search inside ENV{SDL2DIR}
+        include/SDL2 include
+        )
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(VC_LIB_PATH_SUFFIX lib/x64)
+else()
+    set(VC_LIB_PATH_SUFFIX lib/x86)
+endif()
+
+if(NOT SDL2_GFX_LIBRARY AND SDL2GFX_LIBRARY)
+    set(SDL2_GFX_LIBRARY ${SDL2GFX_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name")
+endif()
+find_library(SDL2_GFX_LIBRARY
+        NAMES SDL2_gfx
+        HINTS
+        ENV SDL2GFXDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+        )
+
+if(SDL2_GFX_INCLUDE_DIR AND EXISTS "${SDL2_GFX_INCLUDE_DIR}/SDL2_gfx.h")
+    file(STRINGS "${SDL2_GFX_INCLUDE_DIR}/SDL2_gfx.h" SDL2_GFX_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_GFX_MAJOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_GFX_INCLUDE_DIR}/SDL2_gfx.h" SDL2_GFX_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_GFX_MINOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_GFX_INCLUDE_DIR}/SDL2_gfx.h" SDL2_GFX_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_GFX_PATCHLEVEL[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_GFX_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_GFX_VERSION_MAJOR "${SDL2_GFX_VERSION_MAJOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_GFX_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_GFX_VERSION_MINOR "${SDL2_GFX_VERSION_MINOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_GFX_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_GFX_VERSION_PATCH "${SDL2_GFX_VERSION_PATCH_LINE}")
+    set(SDL2_GFX_VERSION_STRING ${SDL2_GFX_VERSION_MAJOR}.${SDL2_GFX_VERSION_MINOR}.${SDL2_GFX_VERSION_PATCH})
+    unset(SDL2_GFX_VERSION_MAJOR_LINE)
+    unset(SDL2_GFX_VERSION_MINOR_LINE)
+    unset(SDL2_GFX_VERSION_PATCH_LINE)
+    unset(SDL2_GFX_VERSION_MAJOR)
+    unset(SDL2_GFX_VERSION_MINOR)
+    unset(SDL2_GFX_VERSION_PATCH)
+endif()
+
+set(SDL2_GFX_LIBRARIES ${SDL2_GFX_LIBRARY})
+set(SDL2_GFX_INCLUDE_DIRS ${SDL2_GFX_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_gfx
+        REQUIRED_VARS SDL2_GFX_LIBRARIES SDL2_GFX_INCLUDE_DIRS
+        VERSION_VAR SDL2_GFX_VERSION_STRING)
+
+# for backward compatibility
+set(SDL2GFX_LIBRARY ${SDL2_GFX_LIBRARIES})
+set(SDL2GFX_INCLUDE_DIR ${SDL2_GFX_INCLUDE_DIRS})
+set(SDL2GFX_FOUND ${SDL2_GFX_FOUND})
+
+mark_as_advanced(SDL2_GFX_LIBRARY SDL2_GFX_INCLUDE_DIR)

+ 102 - 0
external/cmake/FindSDL2_image.cmake

@@ -0,0 +1,102 @@
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# based on https://trenki2.github.io/blog/2017/07/04/using-sdl2-image-with-cmake/
+
+#.rst:
+# FindSDL2_image
+# -------------
+#
+# Locate SDL2_image library
+#
+# This module defines:
+#
+# ::
+#
+# SDL2_IMAGE_LIBRARIES, the name of the library to link against
+# SDL2_IMAGE_INCLUDE_DIRS, where to find the headers
+# SDL2_IMAGE_FOUND, if false, do not try to link against
+# SDL2_IMAGE_VERSION_STRING - human-readable string containing the
+# version of SDL2_image
+#
+#
+#
+# For backward compatibility the following variables are also set:
+#
+# ::
+#
+# SDL2IMAGE_LIBRARY (same value as SDL2_IMAGE_LIBRARIES)
+# SDL2IMAGE_INCLUDE_DIR (same value as SDL2_IMAGE_INCLUDE_DIRS)
+# SDL2IMAGE_FOUND (same value as SDL2_IMAGE_FOUND)
+#
+#
+#
+# $SDLDIR is an environment variable that would correspond to the
+# ./configure --prefix=$SDLDIR used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+if(NOT SDL2_IMAGE_INCLUDE_DIR AND SDL2IMAGE_INCLUDE_DIR)
+    set(SDL2_IMAGE_INCLUDE_DIR ${SDL2IMAGE_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
+endif()
+find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
+        HINTS
+        ENV SDL2IMAGEDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES SDL2
+        # path suffixes to search inside ENV{SDL2DIR}
+        include/SDL2 include
+        )
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(VC_LIB_PATH_SUFFIX lib/x64)
+else()
+    set(VC_LIB_PATH_SUFFIX lib/x86)
+endif()
+
+if(NOT SDL2_IMAGE_LIBRARY AND SDL2IMAGE_LIBRARY)
+    set(SDL2_IMAGE_LIBRARY ${SDL2IMAGE_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name")
+endif()
+find_library(SDL2_IMAGE_LIBRARY
+        NAMES SDL2_image
+        HINTS
+        ENV SDL2IMAGEDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+        )
+
+if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h")
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}")
+    set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH})
+    unset(SDL2_IMAGE_VERSION_MAJOR_LINE)
+    unset(SDL2_IMAGE_VERSION_MINOR_LINE)
+    unset(SDL2_IMAGE_VERSION_PATCH_LINE)
+    unset(SDL2_IMAGE_VERSION_MAJOR)
+    unset(SDL2_IMAGE_VERSION_MINOR)
+    unset(SDL2_IMAGE_VERSION_PATCH)
+endif()
+
+set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY})
+set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image
+        REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
+        VERSION_VAR SDL2_IMAGE_VERSION_STRING)
+
+# for backward compatibility
+set(SDL2IMAGE_LIBRARY ${SDL2_IMAGE_LIBRARIES})
+set(SDL2IMAGE_INCLUDE_DIR ${SDL2_IMAGE_INCLUDE_DIRS})
+set(SDL2IMAGE_FOUND ${SDL2_IMAGE_FOUND})
+
+mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR)

+ 102 - 0
external/cmake/FindSDL2_mixer.cmake

@@ -0,0 +1,102 @@
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# based on https://trenki2.github.io/blog/2017/07/04/using-sdl2-image-with-cmake/
+
+#.rst:
+# FindSDL2_mixer
+# -------------
+#
+# Locate SDL2_mixer library
+#
+# This module defines:
+#
+# ::
+#
+# SDL2_MIXER_LIBRARIES, the name of the library to link against
+# SDL2_MIXER_INCLUDE_DIRS, where to find the headers
+# SDL2_MIXER_FOUND, if false, do not try to link against
+# SDL2_MIXER_VERSION_STRING - human-readable string containing the
+# version of SDL2_mixer
+#
+#
+#
+# For backward compatibility the following variables are also set:
+#
+# ::
+#
+# SDL2MIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES)
+# SDL2MIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS)
+# SDL2MIXER_FOUND (same value as SDL2_MIXER_FOUND)
+#
+#
+#
+# $SDLDIR is an environment variable that would correspond to the
+# ./configure --prefix=$SDLDIR used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+if(NOT SDL2_MIXER_INCLUDE_DIR AND SDL2MIXER_INCLUDE_DIR)
+    set(SDL2_MIXER_INCLUDE_DIR ${SDL2MIXER_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
+endif()
+find_path(SDL2_MIXER_INCLUDE_DIR SDL_image.h
+        HINTS
+        ENV SDL2MIXERDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES SDL2
+        # path suffixes to search inside ENV{SDL2DIR}
+        include/SDL2 include
+        )
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(VC_LIB_PATH_SUFFIX lib/x64)
+else()
+    set(VC_LIB_PATH_SUFFIX lib/x86)
+endif()
+
+if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
+    set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name")
+endif()
+find_library(SDL2_MIXER_LIBRARY
+        NAMES SDL2_mixer
+        HINTS
+        ENV SDL2MIXERDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+        )
+
+if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h")
+    file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL2_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_PATCH "${SDL2_MIXER_VERSION_PATCH_LINE}")
+    set(SDL2_MIXER_VERSION_STRING ${SDL2_MIXER_VERSION_MAJOR}.${SDL2_MIXER_VERSION_MINOR}.${SDL2_MIXER_VERSION_PATCH})
+    unset(SDL2_MIXER_VERSION_MAJOR_LINE)
+    unset(SDL2_MIXER_VERSION_MINOR_LINE)
+    unset(SDL2_MIXER_VERSION_PATCH_LINE)
+    unset(SDL2_MIXER_VERSION_MAJOR)
+    unset(SDL2_MIXER_VERSION_MINOR)
+    unset(SDL2_MIXER_VERSION_PATCH)
+endif()
+
+set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
+set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer
+        REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS
+        VERSION_VAR SDL2_MIXER_VERSION_STRING)
+
+# for backward compatibility
+set(SDL2MIXER_LIBRARY ${SDL2_MIXER_LIBRARIES})
+set(SDL2MIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS})
+set(SDL2MIXER_FOUND ${SDL2_MIXER_FOUND})
+
+mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)

+ 102 - 0
external/cmake/FindSDL2_ttf.cmake

@@ -0,0 +1,102 @@
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# based on https://trenki2.github.io/blog/2017/07/04/using-sdl2-image-with-cmake/
+
+#.rst:
+# FindSDL2_ttf
+# -------------
+#
+# Locate SDL2_ttf library
+#
+# This module defines:
+#
+# ::
+#
+# SDL2_TTF_LIBRARIES, the name of the library to link against
+# SDL2_TTF_INCLUDE_DIRS, where to find the headers
+# SDL2_TTF_FOUND, if false, do not try to link against
+# SDL2_TTF_VERSION_STRING - human-readable string containing the
+# version of SDL2_ttf
+#
+#
+#
+# For backward compatibility the following variables are also set:
+#
+# ::
+#
+# SDL2TTF_LIBRARY (same value as SDL2_TTF_LIBRARIES)
+# SDL2TTF_INCLUDE_DIR (same value as SDL2_TTF_INCLUDE_DIRS)
+# SDL2TTF_FOUND (same value as SDL2_TTF_FOUND)
+#
+#
+#
+# $SDLDIR is an environment variable that would correspond to the
+# ./configure --prefix=$SDLDIR used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+if(NOT SDL2_TTF_INCLUDE_DIR AND SDL2TTF_INCLUDE_DIR)
+    set(SDL2_TTF_INCLUDE_DIR ${SDL2TTF_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
+endif()
+find_path(SDL2_TTF_INCLUDE_DIR SDL_image.h
+        HINTS
+        ENV SDL2TTFDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES SDL2
+        # path suffixes to search inside ENV{SDL2DIR}
+        include/SDL2 include
+        )
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(VC_LIB_PATH_SUFFIX lib/x64)
+else()
+    set(VC_LIB_PATH_SUFFIX lib/x86)
+endif()
+
+if(NOT SDL2_TTF_LIBRARY AND SDL2TTF_LIBRARY)
+    set(SDL2_TTF_LIBRARY ${SDL2TTF_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name")
+endif()
+find_library(SDL2_TTF_LIBRARY
+        NAMES SDL2_ttf
+        HINTS
+        ENV SDL2TTFDIR
+        ENV SDL2DIR
+        ${SDL2_DIR}
+        PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+        )
+
+if(SDL2_TTF_INCLUDE_DIR AND EXISTS "${SDL2_TTF_INCLUDE_DIR}/SDL2_ttf.h")
+    file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL2_ttf.h" SDL2_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_TTF_MAJOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL2_ttf.h" SDL2_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_TTF_MINOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL2_ttf.h" SDL2_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_TTF_PATCHLEVEL[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MAJOR "${SDL2_TTF_VERSION_MAJOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MINOR "${SDL2_TTF_VERSION_MINOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_PATCH "${SDL2_TTF_VERSION_PATCH_LINE}")
+    set(SDL2_TTF_VERSION_STRING ${SDL2_TTF_VERSION_MAJOR}.${SDL2_TTF_VERSION_MINOR}.${SDL2_TTF_VERSION_PATCH})
+    unset(SDL2_TTF_VERSION_MAJOR_LINE)
+    unset(SDL2_TTF_VERSION_MINOR_LINE)
+    unset(SDL2_TTF_VERSION_PATCH_LINE)
+    unset(SDL2_TTF_VERSION_MAJOR)
+    unset(SDL2_TTF_VERSION_MINOR)
+    unset(SDL2_TTF_VERSION_PATCH)
+endif()
+
+set(SDL2_TTF_LIBRARIES ${SDL2_TTF_LIBRARY})
+set(SDL2_TTF_INCLUDE_DIRS ${SDL2_TTF_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_ttf
+        REQUIRED_VARS SDL2_TTF_LIBRARIES SDL2_TTF_INCLUDE_DIRS
+        VERSION_VAR SDL2_TTF_VERSION_STRING)
+
+# for backward compatibility
+set(SDL2TTF_LIBRARY ${SDL2_TTF_LIBRARIES})
+set(SDL2TTF_INCLUDE_DIR ${SDL2_TTF_INCLUDE_DIRS})
+set(SDL2TTF_FOUND ${SDL2_TTF_FOUND})
+
+mark_as_advanced(SDL2_TTF_LIBRARY SDL2_TTF_INCLUDE_DIR)

+ 3 - 2
source/CMakeLists.txt

@@ -3,9 +3,10 @@ cmake_minimum_required(VERSION 3.8)
 find_package(SDL2 REQUIRED)
 find_package(SDL2_ttf REQUIRED)
 find_package(SDL2_image REQUIRED)
+find_package(SDL2_gfx REQUIRED)
 
-set(SDL2_LIBS ${SDL2_LIBRARIES} ${SDL2IMAGE_LIBRARY} ${SDL2_TTF_LIBRARY})
-set(SDL2_INCDIR ${SDL2_INCLUDE_DIR} ${SDL2_IMAGE_INCLUDE_DIR} ${SDL2_TTF_INCLUDE_DIR})
+set(SDL2_LIBS ${SDL2_LIBRARIES} ${SDL2IMAGE_LIBRARY} ${SDL2_TTF_LIBRARY} ${SDL2_GFX_LIBRARY})
+set(SDL2_INCDIR ${SDL2_INCLUDE_DIR} ${SDL2_IMAGE_INCLUDE_DIR} ${SDL2_TTF_INCLUDE_DIR} ${SDL2_GFX_INCLUDE_DIR})
 
 file(GLOB_RECURSE GE_SOURCES *.cpp)
 file(GLOB_RECURSE GE_HEADERS include/*.h)