1dnl 2dnl Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz> 3dnl 4dnl This program is free software; you can redistribute it and/or modify 5dnl it under the terms of the GNU General Public License as published by 6dnl the Free Software Foundation; either version 2 of the License, or 7dnl (at your option) any later version. 8dnl 9dnl This program is distributed in the hope that it will be useful, 10dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 11dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12dnl the GNU General Public License for more details. 13dnl 14dnl You should have received a copy of the GNU General Public License 15dnl along with this program; if not, write to the Free Software 16dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17dnl 18 19dnl 20dnl LTP_CHECK_FORTIFY_SOURCE 21dnl ------------------------ 22dnl 23AC_DEFUN([LTP_CHECK_FORTIFY_SOURCE],[dnl 24 AC_MSG_CHECKING(whether to define _FORTIFY_SOURCE=2) 25 AC_COMPILE_IFELSE([AC_LANG_SOURCE([ 26#include <stdio.h> 27 28int main(void) 29{ 30#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ 31 return 0; 32#else 33# error Compiling without optimalizations 34#endif 35} 36])],[CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2" 37AC_MSG_RESULT(yes)], 38[AC_MSG_RESULT(no)]) 39]) 40