cmake/compile_flag.cmake

include(CheckCXXCompilerFlag)

macro (append_compile_flag _flag)
    string (MAKE_C_IDENTIFIER ${_flag} _name)

    if (NOT DEFINED compile_flag_${_name})
        check_cxx_compiler_flag (${_flag} compile_flag_${_name})
    endif ()

    if (compile_flag_${_name})
        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}")
    endif()
endmacro(append_compile_flag)
compile_flag: add forgotten include 2017-01-17 21:25:31 +11:00			`include(CheckCXXCompilerFlag)`

initial import 2017-01-17 19:20:12 +11:00			`macro (append_compile_flag _flag)`
			`string (MAKE_C_IDENTIFIER ${_flag} _name)`

try to cache results as much as possible 2017-01-18 21:43:30 +11:00			`if (NOT DEFINED compile_flag_${_name})`
			`check_cxx_compiler_flag (${_flag} compile_flag_${_name})`
initial import 2017-01-17 19:20:12 +11:00			`endif ()`
try to cache results as much as possible 2017-01-18 21:43:30 +11:00
			`if (compile_flag_${_name})`
			`set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}")`
			`endif()`
initial import 2017-01-17 19:20:12 +11:00			`endmacro(append_compile_flag)`