diff options
Diffstat (limited to 'Modules/CheckCXXCompilerFlag.cmake')
| -rw-r--r-- | Modules/CheckCXXCompilerFlag.cmake | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Modules/CheckCXXCompilerFlag.cmake b/Modules/CheckCXXCompilerFlag.cmake index 6626403..a872a75 100644 --- a/Modules/CheckCXXCompilerFlag.cmake +++ b/Modules/CheckCXXCompilerFlag.cmake @@ -26,6 +26,13 @@ include(CheckCXXSourceCompiles) macro (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT) set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + + # Normalize locale during test compilation. + set(_CheckCXXCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG) + foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS}) + set(_CheckCXXCompilerFlag_SAVED_${v} "$ENV{${v}}") + set(ENV{${v}} C) + endforeach() CHECK_CXX_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT} # Some compilers do not fail with a bad flag FAIL_REGEX "command line option .* is valid for .* but not for C\\\\+\\\\+" # GNU @@ -43,6 +50,12 @@ macro (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT) FAIL_REGEX "File with unknown suffix passed to linker" # PGI FAIL_REGEX "WARNING: unknown flag:" # Open64 ) + foreach(v ${_CheckCXXCompilerFlag_LOCALE_VARS}) + set(ENV{${v}} ${_CheckCXXCompilerFlag_SAVED_${v}}) + unset(_CheckCXXCompilerFlag_SAVED_${v}) + endforeach() + unset(_CheckCXXCompilerFlag_LOCALE_VARS) + set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") endmacro () |