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cmake/modules/AddCompilerFlags.cmake
| # Allow to easily add flags for C and C++ | # Allow to easily add flags for C and C++ | ||||
| include(CheckCXXCompilerFlag) | include(CheckCXXCompilerFlag) | ||||
| include(CheckCCompilerFlag) | include(CheckCCompilerFlag) | ||||
| include(SanitizeHelper) | |||||
| function(check_compiler_flag RESULT LANGUAGE FLAG) | |||||
| sanitize_variable(${FLAG} TEST_NAME) | |||||
| string(PREPEND TEST_NAME "have_${LANGUAGE}_") | |||||
| if("${LANGUAGE}" STREQUAL "C") | |||||
| CHECK_C_COMPILER_FLAG(${FLAG} ${TEST_NAME}) | |||||
| elseif("${LANGUAGE}" STREQUAL "CXX") | |||||
| CHECK_CXX_COMPILER_FLAG(${FLAG} ${TEST_NAME}) | |||||
| else() | |||||
| message(FATAL_ERROR "check_compiler_flag LANGUAGE should be C or CXX") | |||||
| endif() | |||||
| set(${RESULT} ${${TEST_NAME}} PARENT_SCOPE) | |||||
| endfunction() | |||||
| function(add_c_compiler_flag) | function(add_c_compiler_flag) | ||||
| foreach(f ${ARGN}) | foreach(f ${ARGN}) | ||||
| CHECK_C_COMPILER_FLAG(${f} FLAG_IS_SUPPORTED) | check_compiler_flag(FLAG_IS_SUPPORTED C ${f}) | ||||
| if(FLAG_IS_SUPPORTED) | if(${FLAG_IS_SUPPORTED}) | ||||
| string(APPEND CMAKE_C_FLAGS " ${f}") | string(APPEND CMAKE_C_FLAGS " ${f}") | ||||
| endif() | endif() | ||||
| endforeach() | endforeach() | ||||
| set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} PARENT_SCOPE) | set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} PARENT_SCOPE) | ||||
| endfunction() | endfunction() | ||||
| function(add_cxx_compiler_flag) | function(add_cxx_compiler_flag) | ||||
| foreach(f ${ARGN}) | foreach(f ${ARGN}) | ||||
| CHECK_CXX_COMPILER_FLAG(${f} FLAG_IS_SUPPORTED) | check_compiler_flag(FLAG_IS_SUPPORTED CXX ${f}) | ||||
| if(FLAG_IS_SUPPORTED) | if(${FLAG_IS_SUPPORTED}) | ||||
| string(APPEND CMAKE_CXX_FLAGS " ${f}") | string(APPEND CMAKE_CXX_FLAGS " ${f}") | ||||
| endif() | endif() | ||||
| endforeach() | endforeach() | ||||
| set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} PARENT_SCOPE) | set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} PARENT_SCOPE) | ||||
| endfunction() | endfunction() | ||||
| macro(add_compiler_flag) | macro(add_compiler_flag) | ||||
| add_c_compiler_flag(${ARGN}) | add_c_compiler_flag(${ARGN}) | ||||
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