kolan
/
CMake
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Check{C,CXX}CompilerFlag: Test using C locale (#14102) 

Set the locale to C while running the compiler for these checks because
we match the resulting warning messages in English only.

Suggested-by: Marco Nolden <m.nolden@dkfz-heidelberg.de>
This commit is contained in:
Brad King 2013-04-22 08:50:08 -04:00
parent e6c3595fde
commit 52723722c7
2 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Modules/CheckCCompilerFlag.cmake
View File

@ -26,6 +26,12 @@ include(CheckCSourceCompiles)
macro (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
# Normalize locale during test compilation.
set(_CheckCCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG)
foreach(v ${_CheckCCompilerFlag_LOCALE_VARS})
set(_CheckCCompilerFlag_SAVED_${v} "$ENV{${v}}")
set(ENV{${v}} C)
endforeach()
CHECK_C_SOURCE_COMPILES("int main(void) { 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
@ -41,5 +47,11 @@ macro (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
FAIL_REGEX "command option .* is not recognized" # XL
FAIL_REGEX "WARNING: unknown flag:" # Open64
)
foreach(v ${_CheckCCompilerFlag_LOCALE_VARS})
set(ENV{${v}} ${_CheckCCompilerFlag_SAVED_${v}})
unset(_CheckCCompilerFlag_SAVED_${v})
endforeach()
unset(_CheckCCompilerFlag_LOCALE_VARS)
set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
endmacro ()

13
Modules/CheckCXXCompilerFlag.cmake
View File

@ -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 ()