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cmake: use add_custom_command to copy include files 

Otherwise, the make program would not rebuild when a header got changed
This commit is contained in:
Anonymous Maarten 2022-06-21 02:26:49 +02:00 committed by Anonymous Maarten
parent 485b1037b0
commit 5f4e9fb9b3
1 changed files with 15 additions and 8 deletions
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23
CMakeLists.txt
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@ -2752,12 +2752,19 @@ configure_file("${SDL2_SOURCE_DIR}/include/SDL_revision.h.cmake"
# Copy all non-generated headers to "${SDL2_BINARY_DIR}/include"
# This is done to avoid the inclusion of a pre-generated SDL_config.h
file(GLOB SDL2_INCLUDE_FILES ${SDL2_SOURCE_DIR}/include/*.h)
foreach(hdr IN LISTS SDL2_INCLUDE_FILES)
if(hdr MATCHES ".*(SDL_config|SDL_revision).*")
list(REMOVE_ITEM SDL2_INCLUDE_FILES "${hdr}")
set(SDL2_COPIED_INCLUDE_FILES)
foreach(_hdr IN LISTS SDL2_INCLUDE_FILES)
if(_hdr MATCHES ".*(SDL_config|SDL_revision).*")
list(REMOVE_ITEM SDL2_INCLUDE_FILES "${_hdr}")
else()
get_filename_component(_name "${_hdr}" NAME)
set(_bin_hdr "${SDL2_BINARY_DIR}/include/${_name}")
list(APPEND SDL2_COPIED_INCLUDE_FILES "${_bin_hdr}")
add_custom_command(OUTPUT "${_bin_hdr}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_hdr}" "${_bin_hdr}"
DEPENDS "${_hdr}")
endif()
endforeach()
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${SDL2_INCLUDE_FILES} "${SDL2_BINARY_DIR}/include")
if(NOT WINDOWS OR CYGWIN OR MINGW)
@ -2956,7 +2963,7 @@ 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})
add_library(SDL2main STATIC ${SDLMAIN_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
# alias target for in-tree builds
add_library(SDL2::SDL2main ALIAS SDL2main)
target_include_directories(SDL2main BEFORE PRIVATE "${SDL2_BINARY_DIR}/include" PRIVATE "${SDL2_BINARY_DIR}/include-config-$<LOWER_CASE:$<CONFIG>>")
@ -2986,7 +2993,7 @@ if(APPLE)
endif()
if(SDL_SHARED)
add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES})
add_library(SDL2 SHARED ${SOURCE_FILES} ${VERSION_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
# alias target for in-tree builds
add_library(SDL2::SDL2 ALIAS SDL2)
set_target_properties(SDL2 PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
@ -3044,7 +3051,7 @@ if(SDL_SHARED)
endif()
if(SDL_STATIC)
add_library(SDL2-static STATIC ${SOURCE_FILES})
add_library(SDL2-static STATIC ${SOURCE_FILES} ${SDL2_COPIED_INCLUDE_FILES})
# alias target for in-tree builds
add_library(SDL2::SDL2-static ALIAS SDL2-static)
if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
@ -3086,7 +3093,7 @@ set(CMAKE_C_FLAGS "${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})
add_library(SDL2_test STATIC ${TEST_SOURCES} ${SDL2_COPIED_INCLUDE_FILES})
add_library(SDL2::SDL2test ALIAS SDL2_test)
set_target_properties(SDL2_test PROPERTIES
EXPORT_NAME SDL2test)