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48 lines
1.4 KiB
CMake
48 lines
1.4 KiB
CMake
include(CheckCCompilerFlag)
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include(CheckCXXCompilerFlag)
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function(add_cflag flag)
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string(REGEX REPLACE "[^a-zA-Z0-9_]" "_" var ${flag})
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if(NOT DEFINED HAVE_C${var})
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message(STATUS "checking for C compiler flag: ${flag}")
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endif()
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set(CMAKE_REQUIRED_QUIET TRUE)
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check_c_compiler_flag("${flag}" HAVE_C${var} QUIET)
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if(HAVE_C${var})
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}" PARENT_SCOPE)
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endif()
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endfunction()
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function(add_cxxflag flag)
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string(REGEX REPLACE "[^a-zA-Z0-9_]" "_" var ${flag})
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if(NOT DEFINED HAVE_CXX${var})
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message(STATUS "checking for C++ compiler flag: ${flag}")
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endif()
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set(CMAKE_REQUIRED_QUIET TRUE)
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check_cxx_compiler_flag("${flag}" HAVE_CXX${var} QUIET)
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if(HAVE_CXX${var})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
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endif()
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endfunction()
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function(add_dllflag flag)
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string(REGEX REPLACE "[^a-zA-Z0-9_]" "_" var ${flag})
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if(NOT DEFINED HAVE_LD${var})
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message(STATUS "checking for C++ compiler flag: ${flag}")
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endif()
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set(CMAKE_REQUIRED_QUIET TRUE)
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check_c_compiler_flag("${flag}" HAVE_LD${var} QUIET)
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if(HAVE_LD${var})
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${flag}" PARENT_SCOPE)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}" PARENT_SCOPE)
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endif()
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endfunction()
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macro(add_flag flag)
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add_cflag(${flag})
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add_cxxflag(${flag})
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endmacro()
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