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cmake: Make CHECK_C_COMPILER_FLAG_SSP a function.

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This commit is contained in:
Andreas Schneider
2011-07-29 11:37:27 +02:00
parent 0943ce3a4a
commit ca47c9b46e
2 changed files with 11 additions and 11 deletions
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26
cmake/Modules/CheckCCompilerFlagSSP.cmake Normal file
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# - 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 check_c_source_compiles.
# 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)
function(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}")
endfunction(CHECK_C_COMPILER_FLAG_SSP)