1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
# - 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)
|
