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Diffstat (limited to 'cmakemodules/CheckCXXCompilerFlag.cmake')
| -rw-r--r-- | cmakemodules/CheckCXXCompilerFlag.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cmakemodules/CheckCXXCompilerFlag.cmake b/cmakemodules/CheckCXXCompilerFlag.cmake new file mode 100644 index 0000000..43ea9a6 --- /dev/null +++ b/cmakemodules/CheckCXXCompilerFlag.cmake @@ -0,0 +1,21 @@ +# - Check whether the CXX compiler supports a given flag. +# CHECK_CXX_COMPILER_FLAG(FLAG VARIABLE) +# +# FLAG - the compiler flag +# VARIABLE - variable to store the result + +# Copyright (c) 2006, Alexander Neundorf, <[email protected]> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + + +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) + |