Imported Upstream version 2.1.10
[platform/upstream/libevent.git] / cmake / CheckFunctionKeywords.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)