diff options
Diffstat (limited to 'libevent/cmake/CheckFunctionKeywords.cmake')
| -rw-r--r-- | libevent/cmake/CheckFunctionKeywords.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libevent/cmake/CheckFunctionKeywords.cmake b/libevent/cmake/CheckFunctionKeywords.cmake new file mode 100644 index 0000000..3d968b8 --- /dev/null +++ b/libevent/cmake/CheckFunctionKeywords.cmake @@ -0,0 +1,14 @@ +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} "${flag}") + endif(${have_flag} AND NOT ${_result}) + endforeach(flag) +endmacro(check_function_keywords) |