- include(CheckCSourceCompiles)
- macro(check_function_keywords _wordlist)
- set(${_result} "")
- foreach(flag ${_wordlist})
- string(REGEX REPLACE "[-+/ ()]" "_" flagname "${flag}")
- string(TOUPPER "${flagname}" flagname)
- set(have_flag "HAVE_${flagname}")
- check_c_source_compiles("${flag} void func(); void func() { } int main() { func(); return 0; }" ${have_flag})
- if(${have_flag} AND NOT ${_result})
- set(${_result} "${flag}")
- # break()
- endif(${have_flag} AND NOT ${_result})
- endforeach(flag)
- endmacro(check_function_keywords)
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