1*663afb9bSAndroid Build Coastguard Workerinclude(CheckCSourceCompiles) 2*663afb9bSAndroid Build Coastguard Worker 3*663afb9bSAndroid Build Coastguard Workermacro(check_function_keywords _wordlist) 4*663afb9bSAndroid Build Coastguard Worker set(${_result} "") 5*663afb9bSAndroid Build Coastguard Worker foreach(flag ${_wordlist}) 6*663afb9bSAndroid Build Coastguard Worker string(REGEX REPLACE "[-+/ ()]" "_" flagname "${flag}") 7*663afb9bSAndroid Build Coastguard Worker string(TOUPPER "${flagname}" flagname) 8*663afb9bSAndroid Build Coastguard Worker set(have_flag "HAVE_${flagname}") 9*663afb9bSAndroid Build Coastguard Worker check_c_source_compiles("${flag} void func(); void func() { } int main() { func(); return 0; }" ${have_flag}) 10*663afb9bSAndroid Build Coastguard Worker if(${have_flag} AND NOT ${_result}) 11*663afb9bSAndroid Build Coastguard Worker set(${_result} "${flag}") 12*663afb9bSAndroid Build Coastguard Worker endif(${have_flag} AND NOT ${_result}) 13*663afb9bSAndroid Build Coastguard Worker endforeach(flag) 14*663afb9bSAndroid Build Coastguard Workerendmacro(check_function_keywords) 15