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CMake: Make SDL_SHARED/STATIC/TEST options 

This makes it easier to set these options when SDL is used as a subprojects.
Since CMake v3.13+, one can simply `set(SDL_TEST OFF)` before include the SDL2 subproject because options do not override existing variables. (https://cmake.org/cmake/help/latest/policy/CMP0077.html#policy:CMP0077)
This is also true for `set(CACHE)` commands but only in CMake v3.21+ (https://cmake.org/cmake/help/latest/policy/CMP0126.html).
This commit is contained in:
Gleb Mazovetskiy 2022-08-30 00:50:44 +01:00 committed by Sam Lantinga
parent b2ac758f61
commit 803924b223
1 changed files with 3 additions and 3 deletions
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6
CMakeLists.txt
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@ -507,9 +507,9 @@ dep_option(SDL_HIDAPI_JOYSTICK "Use HIDAPI for low level joystick drivers" O
dep_option(SDL_VIRTUAL_JOYSTICK "Enable the virtual-joystick driver" ON SDL_HIDAPI OFF) dep_option(SDL_VIRTUAL_JOYSTICK "Enable the virtual-joystick driver" ON SDL_HIDAPI OFF)
set_option(SDL_ASAN "Use AddressSanitizer to detect memory errors" OFF) set_option(SDL_ASAN "Use AddressSanitizer to detect memory errors" OFF)
set(SDL_SHARED ${SDL_SHARED_ENABLED_BY_DEFAULT} CACHE BOOL "Build a shared version of the library") option(SDL_SHARED "Build a shared version of the library" ${SDL_SHARED_ENABLED_BY_DEFAULT})
set(SDL_STATIC ${SDL_STATIC_ENABLED_BY_DEFAULT} CACHE BOOL "Build a static version of the library") option(SDL_STATIC "Build a static version of the library" ${SDL_STATIC_ENABLED_BY_DEFAULT})
set(SDL_TEST ${SDL_TEST_ENABLED_BY_DEFAULT} CACHE BOOL "Build the SDL2_test library") option(SDL_TEST "Build the SDL2_test library" ${SDL_TEST_ENABLED_BY_DEFAULT})
dep_option(SDL_STATIC_PIC "Static version of the library should be built with Position Independent Code" "${CMAKE_POSITION_INDEPENDENT_CODE}" "SDL_STATIC" OFF) dep_option(SDL_STATIC_PIC "Static version of the library should be built with Position Independent Code" "${CMAKE_POSITION_INDEPENDENT_CODE}" "SDL_STATIC" OFF)
dep_option(SDL_TESTS "Build the test directory" OFF SDL_TEST OFF) dep_option(SDL_TESTS "Build the test directory" OFF SDL_TEST OFF)