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cmake/modules/AddCompilerFlags.cmake

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endfunction() endfunction()
macro(add_compiler_flag) macro(add_compiler_flag)
add_c_compiler_flag(${ARGN}) add_c_compiler_flag(${ARGN})
add_cxx_compiler_flag(${ARGN}) add_cxx_compiler_flag(${ARGN})
endmacro() endmacro()
macro(remove_compiler_flags) macro(remove_compiler_flags)
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
string(TOUPPER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
set(BUILD_TYPE_CXX_FLAGS "CMAKE_CXX_FLAGS_${BUILD_TYPE}")
set(BUILD_TYPE_C_FLAGS "CMAKE_C_FLAGS_${BUILD_TYPE}")
endif()
foreach(f ${ARGN}) foreach(f ${ARGN})
string(REGEX REPLACE "${f}( |^)" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) string(REGEX REPLACE "${f}( |$)" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "${f}( |^)" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS}) string(REGEX REPLACE "${f}( |$)" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
string(REGEX REPLACE "${f}( |$)" "" ${BUILD_TYPE_CXX_FLAGS} "${${BUILD_TYPE_CXX_FLAGS}}")
string(REGEX REPLACE "${f}( |$)" "" ${BUILD_TYPE_C_FLAGS} "${${BUILD_TYPE_C_FLAGS}}")
endif()
endforeach() endforeach()
endmacro() endmacro()
# Note that CMake does not provide any facility to check that a linker flag is # Note that CMake does not provide any facility to check that a linker flag is
# supported by the compiler, but most linker will just drop any unsupported flag # supported by the compiler, but most linker will just drop any unsupported flag
# (eventually with a warning). # (eventually with a warning).
function(add_linker_flag) function(add_linker_flag)
foreach(f ${ARGN}) foreach(f ${ARGN})
string(APPEND CMAKE_EXE_LINKER_FLAGS " ${f}") string(APPEND CMAKE_EXE_LINKER_FLAGS " ${f}")
endforeach() endforeach()
set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} PARENT_SCOPE) set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} PARENT_SCOPE)
endfunction() endfunction()