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cmake: add SDL_WERROR to conditionally enable/disable -Werror

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Anonymous Maarten 2022-10-05 15:14:08 +02:00 committed by Anonymous Maarten
parent 1064fdee8c
commit 77822ed166
1 changed files with 27 additions and 3 deletions
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30
CMakeLists.txt
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@ -509,6 +509,8 @@ 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)
set_option(SDL_ASAN "Use AddressSanitizer to detect memory errors" OFF)
option(SDL_WERROR "Enable -Werror" OFF)
option(SDL_SHARED "Build a shared version of the library" ${SDL_SHARED_ENABLED_BY_DEFAULT})
option(SDL_STATIC "Build a static version of the library" ${SDL_STATIC_ENABLED_BY_DEFAULT})
option(SDL_TEST "Build the SDL2_test library" ${SDL_TEST_ENABLED_BY_DEFAULT})
@ -519,6 +521,26 @@ set_option(SDL_INSTALL_TESTS "Install test-cases" OFF)
set(HAVE_STATIC_PIC "${SDL_STATIC_PIC}")
if(SDL_WERROR)
if(MSVC)
cmake_push_check_state(RESET)
check_c_compiler_flag(/WX HAVE_WX)
if(HAVE_WX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /WX")
endif()
elseif(USE_GCC OR USE_CLANG)
cmake_push_check_state(RESET)
check_c_compiler_flag(-Werror HAVE_WERROR)
if(HAVE_WERROR)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
set(CMAKE_OBJC_FLAGS "${CMAKE_OBJC_FLAGS} -Werror")
endif()
cmake_pop_check_state()
endif()
endif()
if(SDL_HIDAPI)
if(HIDAPI_ONLY_LIBUSB)
set(SDL_HIDAPI_LIBUSB ON CACHE BOOL "" FORCE)
@ -606,9 +628,11 @@ if(USE_GCC OR USE_CLANG)
check_c_compiler_flag(-Wdeclaration-after-statement HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
if(HAVE_GCC_WDECLARATION_AFTER_STATEMENT)
check_c_compiler_flag(-Werror=declaration-after-statement HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
if(HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
list(APPEND EXTRA_CFLAGS "-Werror=declaration-after-statement")
if(SDL_WERROR)
check_c_compiler_flag(-Werror=declaration-after-statement HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
if(HAVE_GCC_WERROR_DECLARATION_AFTER_STATEMENT)
list(APPEND EXTRA_CFLAGS "-Werror=declaration-after-statement")
endif()
endif()
list(APPEND EXTRA_CFLAGS "-Wdeclaration-after-statement")
endif()