1*a466cc55SCy Schubertinclude(CheckCSourceCompiles) 2*a466cc55SCy Schubert 3*a466cc55SCy Schubertmacro(check_function_keywords _wordlist) 4*a466cc55SCy Schubert set(${_result} "") 5*a466cc55SCy Schubert foreach(flag ${_wordlist}) 6*a466cc55SCy Schubert string(REGEX REPLACE "[-+/ ()]" "_" flagname "${flag}") 7*a466cc55SCy Schubert string(TOUPPER "${flagname}" flagname) 8*a466cc55SCy Schubert set(have_flag "HAVE_${flagname}") 9*a466cc55SCy Schubert check_c_source_compiles("${flag} void func(); void func() { } int main() { func(); return 0; }" ${have_flag}) 10*a466cc55SCy Schubert if(${have_flag} AND NOT ${_result}) 11*a466cc55SCy Schubert set(${_result} "${flag}") 12*a466cc55SCy Schubert endif(${have_flag} AND NOT ${_result}) 13*a466cc55SCy Schubert endforeach(flag) 14*a466cc55SCy Schubertendmacro(check_function_keywords) 15