Max Lv
9 years ago
10 changed files with 172 additions and 12 deletions
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4Makefile.in
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1aclocal.m4
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80configure
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21configure.ac
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4libcork/Makefile.in
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4libev/Makefile.in
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4libipset/Makefile.in
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4libudns/Makefile.in
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58m4/stack-protector.m4
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4src/Makefile.in
@ -0,0 +1,58 @@ |
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# |
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# Copyright 2007 Google Inc. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# |
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# GGL_CHECK_STACK_PROTECTOR([ACTION-IF-OK], [ACTION-IF-NOT-OK]) |
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# Check if c compiler supports -fstack-protector and -fstack-protector-all |
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# options. |
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AC_DEFUN([GGL_CHECK_STACK_PROTECTOR], [ |
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ggl_check_stack_protector_save_CXXFLAGS="$CXXFLAGS" |
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ggl_check_stack_protector_save_CFLAGS="$CFLAGS" |
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AC_MSG_CHECKING([if -fstack-protector and -fstack-protector-all are supported.]) |
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CXXFLAGS="$CXXFLAGS -fstack-protector" |
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CFLAGS="$CFLAGS -fstack-protector" |
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
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int main() { |
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return 0; |
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} |
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])], |
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[ggl_check_stack_protector_ok=yes], |
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[ggl_check_stack_protector_ok=no]) |
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CXXFLAGS="$ggl_check_stack_protector_save_CXXFLAGS -fstack-protector-all" |
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CFLAGS="$ggl_check_stack_protector_save_CFLAGS -fstack-protector-all" |
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([ |
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int main() { |
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return 0; |
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} |
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])], |
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[ggl_check_stack_protector_all_ok=yes], |
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[ggl_check_stack_protector_all_ok=no]) |
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if test "x$ggl_check_stack_protector_ok" = "xyes" -a \ |
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"x$ggl_check_stack_protector_all_ok" = "xyes"; then |
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AC_MSG_RESULT([yes]) |
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ifelse([$1], , :, [$1]) |
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else |
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AC_MSG_RESULT([no]) |
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ifelse([$2], , :, [$2]) |
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fi |
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CXXFLAGS="$ggl_check_stack_protector_save_CXXFLAGS" |
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CFLAGS="$ggl_check_stack_protector_save_CFLAGS" |
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]) # GGL_CHECK_STACK_PROTECTOR |
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