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| author | Brad King <brad.king@kitware.com> | 2009-09-18 13:49:44 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2009-09-18 13:49:44 (GMT) |
| commit | 83957d9e0defcff8ae497078a47f77f183674f16 (patch) | |
| tree | 172f0aa949f2fb8da272393fa1f0c39ae2f54758 /Modules/CheckCXXCompilerFlag.cmake | |
| parent | b872d09ea294f594669fc2b07f18040776a55bfb (diff) | |
| download | CMake-83957d9e0defcff8ae497078a47f77f183674f16.zip CMake-83957d9e0defcff8ae497078a47f77f183674f16.tar.gz CMake-83957d9e0defcff8ae497078a47f77f183674f16.tar.bz2 | |
Fix CHECK_(C|CXX)_COMPILER_FLAG for XL and SunPro
These compilers warn and return 0 for unrecognized flags. We fix the
compiler flag check macros by looking for a warning in the output. We
also update the regex for GNU on older Macs. See issue #9516.
Diffstat (limited to 'Modules/CheckCXXCompilerFlag.cmake')
| -rw-r--r-- | Modules/CheckCXXCompilerFlag.cmake | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/CheckCXXCompilerFlag.cmake b/Modules/CheckCXXCompilerFlag.cmake index 018eacd..8f1b789 100644 --- a/Modules/CheckCXXCompilerFlag.cmake +++ b/Modules/CheckCXXCompilerFlag.cmake @@ -19,9 +19,11 @@ MACRO (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT) SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") CHECK_CXX_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT} # Some compilers do not fail with a bad flag - FAIL_REGEX "unrecognized option" # GNU + FAIL_REGEX "unrecognized .*option" # GNU FAIL_REGEX "ignoring unknown option" # MSVC FAIL_REGEX "[Uu]nknown option" # HP + FAIL_REGEX "[Ww]arning: [Oo]ption" # SunPro + FAIL_REGEX "command option .* is not recognized" # XL ) SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") ENDMACRO (CHECK_CXX_COMPILER_FLAG) |