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| author | Alexander Neundorf <neundorf@kde.org> | 2006-09-18 21:55:22 (GMT) |
|---|---|---|
| committer | Alexander Neundorf <neundorf@kde.org> | 2006-09-18 21:55:22 (GMT) |
| commit | 86c63dca11cd95cf57d6a942b5af2bad1fb82a66 (patch) | |
| tree | 80f3b99c8bef08dad3889a09133da55a23800549 /Modules/CheckCCompilerFlag.cmake | |
| parent | 8e3bb08b816e0aed8a7d1fa911421d97bf9a3ea1 (diff) | |
| download | CMake-86c63dca11cd95cf57d6a942b5af2bad1fb82a66.zip CMake-86c63dca11cd95cf57d6a942b5af2bad1fb82a66.tar.gz CMake-86c63dca11cd95cf57d6a942b5af2bad1fb82a66.tar.bz2 | |
ENH: two macros to check whether the C/CXX compiler supports a given flag:
CHECK_CXX_COMPILER_FLAG("-Wall" COMPILER_SUPPORTS_WALL)
Alex
Diffstat (limited to 'Modules/CheckCCompilerFlag.cmake')
| -rw-r--r-- | Modules/CheckCCompilerFlag.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Modules/CheckCCompilerFlag.cmake b/Modules/CheckCCompilerFlag.cmake new file mode 100644 index 0000000..b084399 --- /dev/null +++ b/Modules/CheckCCompilerFlag.cmake @@ -0,0 +1,21 @@ +# - Check whether the C compiler supports a given flag. +# CHECK_C_COMPILER_FLAG(FLAG VARIABLE) +# +# FLAG - the compiler flag +# VARIABLE - variable to store the result + +# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + + +INCLUDE(CheckCSourceCompiles) + +MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT) + SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") + SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + CHECK_C_SOURCE_COMPILES("int main() { return 0;}" ${_RESULT}) + SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") +ENDMACRO (CHECK_C_COMPILER_FLAG) + |