| # check if a C compiler flag is possible | |
| include(CheckCCompilerFlag) | |
| function(check_cc_flag CC_FLAG) | |
| check_c_compiler_flag("${CC_FLAG}" CC_HAS_${CC_FLAG}) | |
| if(CC_HAS_${CC_FLAG}) | |
| add_definitions("${CC_FLAG}") | |
| endif() | |
| endfunction() | |
| # check if an untested C compiler flag is possible | |
| function(check_cc_flag_untested CC_FLAG) | |
| check_c_compiler_flag("${CC_FLAG}" CC_HAS_${CC_FLAG}) | |
| if(CC_HAS_${CC_FLAG}) | |
| add_definitions("${CC_FLAG}") | |
| message(WARNING "Add untested flag: ${CC_FLAG}") | |
| endif() | |
| endfunction() |