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Merge topic 'add-flag-detection-regex' 

b7f3f7c Add fail regex to detect supported warning flags correctly.
This commit is contained in:
David Cole 2011-08-02 15:09:49 -04:00 committed by CMake Topic Stage
parent c6051b7abd b7f3f7cdb6
commit be3ac14ac7
1 changed files with 2 additions and 1 deletions
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3
Modules/CheckCCompilerFlag.cmake
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@ -27,6 +27,8 @@ MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
# Some compilers do not fail with a bad flag
FAIL_REGEX "warning: command line option .* is valid for .* but not for C"
# Apple gcc
FAIL_REGEX "unrecognized .*option" # GNU
FAIL_REGEX "ignoring unknown option" # MSVC
FAIL_REGEX "warning D9002" # MSVC, any lang
@ -36,4 +38,3 @@ MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
)
SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
ENDMACRO (CHECK_C_COMPILER_FLAG)