diff options
Diffstat (limited to 'm4/pdns_d_fortify_source.m4')
| -rw-r--r-- | m4/pdns_d_fortify_source.m4 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/m4/pdns_d_fortify_source.m4 b/m4/pdns_d_fortify_source.m4 new file mode 100644 index 0000000..68e9be5 --- /dev/null +++ b/m4/pdns_d_fortify_source.m4 @@ -0,0 +1,28 @@ +dnl +dnl Check for support D_FORTIFY_SOURCE +dnl +dnl Copyright (C) 2013 Red Hat, Inc. +dnl +dnl This library is free software; you can redistribute it and/or +dnl modify it under the terms of the GNU Lesser General Public +dnl License as published by the Free Software Foundation; either +dnl version 2.1 of the License, or (at your option) any later version. +dnl +dnl This library is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl Lesser General Public License for more details. +dnl +dnl You should have received a copy of the GNU Lesser General Public +dnl License along with this library. If not, see +dnl <http://www.gnu.org/licenses/>. +dnl + +AC_DEFUN([AC_CC_D_FORTIFY_SOURCE],[ + OLD_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="-Wall -W -Werror $CXXFLAGS" + gl_COMPILER_OPTION_IF([-D_FORTIFY_SOURCE=2], [ + CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS" + CXXFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $OLD_CXXFLAGS" + ], [CXXFLAGS="$OLD_CXXFLAGS"], [AC_LANG_PROGRAM([[#include <stdio.h>]],[])]) +]) |