diff options
Diffstat (limited to 'cmake/Modules/MacroCheckCCompilerFlagSSP.cmake')
-rw-r--r-- | cmake/Modules/MacroCheckCCompilerFlagSSP.cmake | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cmake/Modules/MacroCheckCCompilerFlagSSP.cmake b/cmake/Modules/MacroCheckCCompilerFlagSSP.cmake new file mode 100644 index 000000000..6ac935dae --- /dev/null +++ b/cmake/Modules/MacroCheckCCompilerFlagSSP.cmake @@ -0,0 +1,25 @@ +# - Check whether the C compiler supports a given flag in the +# context of a stack checking compiler option. +# CHECK_C_COMPILER_FLAG_SSP(FLAG VARIABLE) +# +# FLAG - the compiler flag +# VARIABLE - variable to store the result +# +# This actually calls the check_c_source_compiles macro. +# See help for CheckCSourceCompiles for a listing of variables +# that can modify the build. + +# 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_SSP _FLAG _RESULT) + SET(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}") + SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") + CHECK_C_SOURCE_COMPILES("int main(int argc, char **argv) { char buffer[256]; return buffer[argc]=0;}" ${_RESULT}) + SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}") +ENDMACRO (CHECK_C_COMPILER_FLAG_SSP) |