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cmake: Split SDL2-static and SDL2main into their own target exports 

This makes it so that the generated targets are not interdependent,
which allows Linux distributions to split libraries into the
appropriate subpackages as needed.
This commit is contained in:
Neal Gompa 2022-01-07 14:30:26 -05:00 committed by Sam Lantinga
parent 1694782b2a
commit 0696fc0134
2 changed files with 53 additions and 13 deletions
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40
CMakeLists.txt
View File

@ -2754,7 +2754,6 @@ if(NOT WINDOWS_STORE)
add_library(SDL2::SDL2main ALIAS SDL2main)
target_include_directories(SDL2main BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2main PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>)
set(_INSTALL_LIBS "SDL2main")
if (NOT ANDROID)
set_target_properties(SDL2main PROPERTIES DEBUG_POSTFIX "${SDL_CMAKE_DEBUG_POSTFIX}")
endif()
@ -2800,7 +2799,6 @@ if(SDL_SHARED)
endif()
set_target_properties(SDL2 PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")
endif()
set(_INSTALL_LIBS "SDL2" ${_INSTALL_LIBS})
target_link_libraries(SDL2 PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
target_include_directories(SDL2 BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2 PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>;$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>")
@ -2832,7 +2830,6 @@ if(SDL_STATIC)
endif()
# TODO: Win32 platforms keep the same suffix .lib for import and static
# libraries - do we need to consider this?
set(_INSTALL_LIBS "SDL2-static" ${_INSTALL_LIBS})
target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
target_include_directories(SDL2-static BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include> $<INSTALL_INTERFACE:include/SDL2>)
@ -2854,10 +2851,26 @@ if(SDL_TEST)
endif()
##### Installation targets #####
install(TARGETS ${_INSTALL_LIBS} EXPORT SDL2Targets
if(SDL_SHARED)
install(TARGETS SDL2 EXPORT SDL2Targets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
if(NOT WINDOWS_STORE)
install(TARGETS SDL2main EXPORT SDL2mainTargets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
if(SDL_STATIC)
install(TARGETS SDL2-static EXPORT SDL2staticTargets
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif()
##### Export files #####
if (WINDOWS AND NOT MINGW)
@ -2872,11 +2885,30 @@ write_basic_package_version_file("${CMAKE_BINARY_DIR}/SDL2ConfigVersion.cmake"
COMPATIBILITY AnyNewerVersion
)
if(SDL_SHARED)
install(EXPORT SDL2Targets
FILE SDL2Targets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
if(NOT WINDOWS_STORE)
install(EXPORT SDL2mainTargets
FILE SDL2mainTargets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
if(SDL_STATIC)
install(EXPORT SDL2staticTargets
FILE SDL2staticTargets.cmake
NAMESPACE SDL2::
DESTINATION ${PKG_PREFIX}
)
endif()
install(
FILES
${CMAKE_CURRENT_SOURCE_DIR}/SDL2Config.cmake

8
SDL2Config.cmake
View File

@ -1,4 +1,12 @@
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/SDL2Targets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/SDL2Targets.cmake")
endif()
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/SDL2mainTargets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/SDL2mainTargets.cmake")
endif()
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/SDL2staticTargets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/SDL2staticTargets.cmake")
endif()
# on static-only builds create an alias
if(NOT TARGET SDL2::SDL2 AND TARGET SDL2::SDL2-static)