Home | History | Annotate | Line # | Download | only in cmake 
      1 include(CheckCSourceCompiles)
      2 
      3 macro(check_function_keywords _wordlist)
      4   set(${_result} "")
      5   foreach(flag ${_wordlist})
      6     string(REGEX REPLACE "[-+/ ()]" "_" flagname "${flag}")
      7     string(TOUPPER "${flagname}" flagname)
      8     set(have_flag "HAVE_${flagname}")
      9     check_c_source_compiles("${flag} void func(); void func() { } int main() { func(); return 0; }" ${have_flag})
     10     if(${have_flag} AND NOT ${_result})
     11       set(${_result} "${flag}")
     12     endif(${have_flag} AND NOT ${_result})
     13   endforeach(flag)
     14 endmacro(check_function_keywords)
     15