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cmake: add generated files to a custom target (#5851)

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This way, headers are only generated once .
This commit is contained in:
Anonymous Maarten 2022-06-26 23:34:30 +02:00 committed by GitHub
parent 787dc260a8
commit fa39f73552
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 5 deletions
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26
CMakeLists.txt
View file

@ -109,6 +109,10 @@ math(EXPR DYLIB_COMPAT_VERSION_MAJOR "${LT_MAJOR} + 1")
set(DYLIB_CURRENT_VERSION "${DYLIB_CURRENT_VERSION_MAJOR}.${DYLIB_CURRENT_VERSION_MINOR}.0")
set(DYLIB_COMPATIBILITY_VERSION "${DYLIB_COMPAT_VERSION_MAJOR}.0.0")
# This list holds all generated headers.
# To avoid generating them twice, these are added to a dummy target on which all sdl targets depend.
set(SDL_GENERATED_HEADERS)
#message(STATUS "${LT_VERSION} :: ${LT_AGE} :: ${LT_REVISION} :: ${LT_CURRENT} :: ${LT_RELEASE}")
# General settings & flags
@ -2716,7 +2720,10 @@ endif()
# 1. replace all `#cmakedefine`'s and `@abc@`
configure_file("${SDL2_SOURCE_DIR}/include/SDL_config.h.cmake"
"${SDL2_BINARY_DIR}/SDL_config.h.intermediate")
# 2. generate SDL_config in an build_type-dependent folder (which should be first in the include search path)
# 2. Create the "include-config-${CMAKE_BUILD_TYPE}" folder (fails on older CMake versions when it does not exist)
string(TOLOWER "${CMAKE_BUILD_TYPE}" lower_build_type)
execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/include-config-${lower_build_type}")
# 3. generate SDL_config in an build_type-dependent folder (which should be first in the include search path)
file(GENERATE
OUTPUT "${SDL2_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>/SDL_config.h"
INPUT "${SDL2_BINARY_DIR}/SDL_config.h.intermediate")
@ -2779,6 +2786,7 @@ foreach(_hdr IN LISTS SDL2_INCLUDE_FILES)
DEPENDS "${_hdr}")
endif()
endforeach()
list(APPEND SDL_GENERATED_HEADERS ${SDL2_COPIED_INCLUDE_FILES})
if(NOT WINDOWS OR CYGWIN OR MINGW)
@ -2896,6 +2904,10 @@ if (SDL_ASAN)
endif()
endif()
# Create target that collects all all generated include files.
add_custom_target(sdl_headers_copy
DEPENDS ${SDL_GENERATED_HEADERS})
##### Info output #####
message(STATUS "")
message(STATUS "SDL2 was configured with the following options:")
@ -2967,7 +2979,8 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} ${EXTRA_CFLAGS_BUILD}")
if(NOT WINDOWS_STORE AND NOT SDL2_DISABLE_SDL2MAIN)
# Build SDLmain
add_library(SDL2main STATIC ${SDLMAIN_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
add_library(SDL2main STATIC ${SDLMAIN_SOURCES})
add_dependencies(SDL2main sdl_headers_copy)
# alias target for in-tree builds
add_library(SDL2::SDL2main ALIAS SDL2main)
target_include_directories(SDL2main BEFORE PRIVATE "${SDL2_BINARY_DIR}/include" PRIVATE "${SDL2_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>")
@ -2997,7 +3010,8 @@ if(APPLE)
endif()
if(SDL_SHARED)
add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES})
add_dependencies(SDL2 sdl_headers_copy)
# alias target for in-tree builds
add_library(SDL2::SDL2 ALIAS SDL2)
set_target_properties(SDL2 PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
@ -3055,7 +3069,8 @@ if(SDL_SHARED)
endif()
if(SDL_STATIC)
add_library(SDL2-static STATIC ${SOURCE_FILES} ${SDL2_COPIED_INCLUDE_FILES})
add_library(SDL2-static STATIC ${SOURCE_FILES})
add_dependencies(SDL2-static sdl_headers_copy)
# alias target for in-tree builds
add_library(SDL2::SDL2-static ALIAS SDL2-static)
if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
@ -3097,7 +3112,8 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSDL_BUILD_MICRO_VERSION=${SDL_MICRO_VERSIO
if(SDL_TEST)
file(GLOB TEST_SOURCES ${SDL2_SOURCE_DIR}/src/test/*.c)
add_library(SDL2_test STATIC ${TEST_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
add_library(SDL2_test STATIC ${TEST_SOURCES})
add_dependencies(SDL2_test sdl_headers_copy)
add_library(SDL2::SDL2test ALIAS SDL2_test)
set_target_properties(SDL2_test PROPERTIES
EXPORT_NAME SDL2test)

1
cmake/sdlchecks.cmake
View file

@ -632,6 +632,7 @@ macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL)
ARGS "${_CODE_MODE}" "${_XML}" "${_WAYLAND_PROT_C_CODE}"
)
list(APPEND SDL_GENERATED_HEADERS "${_WAYLAND_PROT_H_CODE}")
list(APPEND SOURCE_FILES "${_WAYLAND_PROT_C_CODE}")
endmacro()