diff options
Diffstat (limited to 'modules/CheckCXXCompilerFlag.cmake')
| -rw-r--r-- | modules/CheckCXXCompilerFlag.cmake | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/modules/CheckCXXCompilerFlag.cmake b/modules/CheckCXXCompilerFlag.cmake new file mode 100644 index 00000000..74af207b --- /dev/null +++ b/modules/CheckCXXCompilerFlag.cmake @@ -0,0 +1,16 @@ +# - Check whether the compiler supports a given flag. +# CHECK_CXX_COMPILER_FLAG(FLAG VARIABLE) +# +# FLAG - the compiler flag +# VARIABLE - variable to store the result +# + +INCLUDE(CheckCXXSourceCompiles) + +MACRO (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT) + SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") + SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + CHECK_CXX_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT}) + SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") +ENDMACRO (CHECK_CXX_COMPILER_FLAG) + |