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-rw-r--r--CMakeModules/CheckFunctionKeywords.cmake15
1 files changed, 15 insertions, 0 deletions
diff --git a/CMakeModules/CheckFunctionKeywords.cmake b/CMakeModules/CheckFunctionKeywords.cmake
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+++ b/CMakeModules/CheckFunctionKeywords.cmake
@@ -0,0 +1,15 @@
+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} "${flag}")
+# break()
+ endif(${have_flag} AND NOT ${_result})
+ endforeach(flag)
+endmacro(check_function_keywords)