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-rw-r--r--m4/pdns_stack_protector.m426
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diff --git a/m4/pdns_stack_protector.m4 b/m4/pdns_stack_protector.m4
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+dnl
+dnl Check for support for enabling stack protector
+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_STACK_PROTECTOR],[
+ gl_COMPILER_OPTION_IF([-fstack-protector], [
+ CFLAGS="-fstack-protector $CFLAGS"
+ CXXFLAGS="-fstack-protector $CXXFLAGS"
+ ])
+])