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cmake: add SDL_REVISION option 

This is useful if one has vendored SDL git and want to avoid rebuilding SDL on every git commit.
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1vanK 2023-07-30 00:16:32 +03:00 committed by GitHub
parent 0500fca00c
commit b221b59995
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1 changed files with 14 additions and 11 deletions
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25
CMakeLists.txt
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@ -2796,19 +2796,22 @@ foreach(_hdr IN LISTS SDL3_INCLUDE_FILES)
endif() endif()
endforeach() endforeach()
set(SDL_REVISION_SUFFIX "" CACHE STRING "Suffix for the SDL revision") set(SDL_REVISION "" CACHE STRING "Custom SDL revision (overrides SDL_REVISION_SUFFIX)")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt") if(NOT SDL_REVISION)
# If VERSION exists, it contains the SDL version set(SDL_REVISION_SUFFIX "" CACHE STRING "Suffix for the SDL revision")
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt" SDL_REVISION_CENTER) if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt")
string(STRIP "${SDL_REVISION_CENTER}" SDL_REVISION_CENTER) # If VERSION exists, it contains the SDL version
else() file(READ "${CMAKE_CURRENT_SOURCE_DIR}/VERSION.txt" SDL_REVISION_CENTER)
# If VERSION does not exist, use git to calculate a version string(STRIP "${SDL_REVISION_CENTER}" SDL_REVISION_CENTER)
git_describe(SDL_REVISION_CENTER) else()
if(NOT SDL_REVISION_CENTER) # If VERSION does not exist, use git to calculate a version
set(SDL_REVISION_CENTER "${SDL3_VERSION}-no-vcs") git_describe(SDL_REVISION_CENTER)
if(NOT SDL_REVISION_CENTER)
set(SDL_REVISION_CENTER "${SDL3_VERSION}-no-vcs")
endif()
endif() endif()
set(SDL_REVISION "SDL-${SDL_REVISION_CENTER}${SDL_REVISION_SUFFIX}")
endif() endif()
set(SDL_REVISION "SDL-${SDL_REVISION_CENTER}${SDL_REVISION_SUFFIX}")
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${SDL3_BINARY_DIR}/include/SDL3") execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${SDL3_BINARY_DIR}/include/SDL3")
configure_file(include/build_config/SDL_revision.h.cmake include/SDL3/SDL_revision.h @ONLY) configure_file(include/build_config/SDL_revision.h.cmake include/SDL3/SDL_revision.h @ONLY)