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SDL/sdl2-config.cmake.in

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Fixed bug 2464 - Configure a sdl2-config.cmake.in together with sdl2.pc.in Leonardo Despite having a CMakeLists.txt file, SDL2 seems to be mainly built using the autotools system by package-managers. It is nice to have it but it is only useful if you are building SDL2 by yourself. People that want to use CMake to find their already-installed SDL2 are using a FindSDL2.cmake module based on the old FindSDL.cmake. This is not deprecated but it is discouraged by the CMake devs (see http://www.cmake.org/Bug/view.php?id=14826), as these modules needs maintainers to be included in the official CMake installation. To fix that, SDL and its accompanying libraries could configure a simple sdl2-config.cmake file, much like it does with sdl2.pc.in. We don't need to configure a full sdl2-config.cmake as in this post, http://forums.libsdl.org/viewtopic.php?t=10068&sid=ccf8abbf0d73fb03ae9cded991e60959 (because it depends on it being built with CMake). Using something as simple as http://www.cmake.org/Wiki/CMake/Tutorials/Packaging#Package_Configuration_Files is deemed enough. Here is another: http://quickgit.kde.org/?p=prison.git&a=blob&f=lib%2Fprison%2FPrisonConfig.cmake.in
2015-06-29 22:24:00 -07:00
# sdl2 cmake project-config input for ./configure scripts
set(prefix "@prefix@")
set(exec_prefix "@exec_prefix@")
Fixed typo in sdl2-config.cmake.in (thanks, Rafal!). Partially fixes Bugzilla #3208.
2015-12-28 20:29:11 -08:00
set(libdir "@libdir@")
sdl2-config.cmake.in: Use more CMake variables and less autotools ones this makes it easier to create a portable sdl2-config.cmake that doesn't hardcode its path (by replacing the hardcoded prefix with something like "${CMAKE_CURRENT_LIST_DIR}/../../..")
2021-04-20 21:27:41 -07:00
set(includedir "@includedir@")
set(SDL2_PREFIX "${prefix}")
set(SDL2_EXEC_PREFIX "${exec_prefix}")
set(SDL2_LIBDIR "${libdir}")
set(SDL2_INCLUDE_DIRS "${includedir}/SDL2")
Fixed bug 2464 - Configure a sdl2-config.cmake.in together with sdl2.pc.in Leonardo Despite having a CMakeLists.txt file, SDL2 seems to be mainly built using the autotools system by package-managers. It is nice to have it but it is only useful if you are building SDL2 by yourself. People that want to use CMake to find their already-installed SDL2 are using a FindSDL2.cmake module based on the old FindSDL.cmake. This is not deprecated but it is discouraged by the CMake devs (see http://www.cmake.org/Bug/view.php?id=14826), as these modules needs maintainers to be included in the official CMake installation. To fix that, SDL and its accompanying libraries could configure a simple sdl2-config.cmake file, much like it does with sdl2.pc.in. We don't need to configure a full sdl2-config.cmake as in this post, http://forums.libsdl.org/viewtopic.php?t=10068&sid=ccf8abbf0d73fb03ae9cded991e60959 (because it depends on it being built with CMake). Using something as simple as http://www.cmake.org/Wiki/CMake/Tutorials/Packaging#Package_Configuration_Files is deemed enough. Here is another: http://quickgit.kde.org/?p=prison.git&a=blob&f=lib%2Fprison%2FPrisonConfig.cmake.in
2015-06-29 22:24:00 -07:00
set(SDL2_LIBRARIES "-L${SDL2_LIBDIR} @SDL_RLD_FLAGS@ @SDL_LIBS@")
Applied Ubuntu patch bug_822210_fix_sdl2-config.cmake_whitespace.patch
2016-10-07 15:08:37 -07:00
string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES)
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
if(NOT TARGET SDL2::SDL2)
# Remove -lSDL2 as that is handled by CMake, note the space at the end so it does not replace e.g. -lSDL2main
# This may require "libdir" beeing set (from above)
string(REPLACE "-lSDL2 " "" SDL2_EXTRA_LINK_FLAGS "@SDL_RLD_FLAGS@ @SDL_LIBS@ ")
string(STRIP "${SDL2_EXTRA_LINK_FLAGS}" SDL2_EXTRA_LINK_FLAGS)
build: Merge pkg-config Libs.private into Libs for static-only builds A project being built entirely statically will call pkg-config with --static, which utilises the Libs.private field. Conversely it will not use --static when not being built entirely statically, even if there is only a static build of SDL available. This will most likely cause the build to fail due to underlinking unless we merge the Libs fields. This is what the Meson build system does when it generates pkg-config files. This also also follows the behaviour of sdl2-config. At the same time, the runtime linker flags are not applicable to static-only builds so only add them for shared builds.
2020-04-11 15:38:34 -07:00
string(REPLACE "-lSDL2 " "" SDL2_EXTRA_LINK_FLAGS_STATIC "@SDL_STATIC_LIBS@ ")
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
string(STRIP "${SDL2_EXTRA_LINK_FLAGS_STATIC}" SDL2_EXTRA_LINK_FLAGS_STATIC)
add_library(SDL2::SDL2 SHARED IMPORTED)
set_target_properties(SDL2::SDL2 PROPERTIES
sdl2-config.cmake.in: Use more CMake variables and less autotools ones this makes it easier to create a portable sdl2-config.cmake that doesn't hardcode its path (by replacing the hardcoded prefix with something like "${CMAKE_CURRENT_LIST_DIR}/../../..")
2021-04-20 21:27:41 -07:00
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
Fix shared library suffix on OSX
2020-03-17 00:46:34 -07:00
IMPORTED_LOCATION "@libdir@/${CMAKE_SHARED_LIBRARY_PREFIX}SDL2${CMAKE_SHARED_LIBRARY_SUFFIX}"
Make SDL2Config.cmake export SDL2_LIBRARIES etc (on Windows) still WIP and other platforms than windows still TODO and open questions etc see https://github.com/libsdl-org/SDL/issues/4004
2021-04-17 21:23:20 -07:00
# TODO: on windows set IMPORTED_IMPLIB to SDL2.lib
INTERFACE_LINK_LIBRARIES "${SDL2_EXTRA_LINK_FLAGS}") # TODO: really? SDL2Config.cmake doesn't do this
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
add_library(SDL2::SDL2-static STATIC IMPORTED)
set_target_properties(SDL2::SDL2-static PROPERTIES
sdl2-config.cmake.in: Use more CMake variables and less autotools ones this makes it easier to create a portable sdl2-config.cmake that doesn't hardcode its path (by replacing the hardcoded prefix with something like "${CMAKE_CURRENT_LIST_DIR}/../../..")
2021-04-20 21:27:41 -07:00
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
sdl2-config.cmake.in: Use more CMake variables and less autotools ones this makes it easier to create a portable sdl2-config.cmake that doesn't hardcode its path (by replacing the hardcoded prefix with something like "${CMAKE_CURRENT_LIST_DIR}/../../..")
2021-04-20 21:27:41 -07:00
IMPORTED_LOCATION "${SDL2_LIBDIR}/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2${CMAKE_STATIC_LIBRARY_SUFFIX}"
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
INTERFACE_LINK_LIBRARIES "${SDL2_EXTRA_LINK_FLAGS_STATIC}")
add_library(SDL2::SDL2main STATIC IMPORTED)
set_target_properties(SDL2::SDL2main PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
Fix shared library suffix on OSX
2020-03-17 00:46:34 -07:00
IMPORTED_LOCATION "@libdir@/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2main${CMAKE_STATIC_LIBRARY_SUFFIX}")
cmake: more proper sdl2-config.cmake work (thanks, Alexander!) Fixes Bugzilla #4970.
2020-02-21 12:52:35 -08:00
endif()