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From c8ccdbfe1e45cb3b832109d644296c0a3b3e0b59 Mon Sep 17 00:00:00 2001
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From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
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Date: Sun, 2 Sep 2018 03:49:31 +0000
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Subject: [PATCH] configure.ac: -fstack-protector-strong
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* configure.ac: use -fstack-protector-strong if available instead of
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-fstack-protector conditionally. [ruby-core:88788] [Misc #15053]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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---
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configure.ac | 17 ++++++++++-------
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1 file changed, 10 insertions(+), 7 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 9328fa532de0..b8ee57239215 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -837,15 +837,18 @@ AS_IF([test "$GCC" = yes], [
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stack_protector=no
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])
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AS_IF([test -z "${stack_protector+set}"], [
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- RUBY_TRY_CFLAGS(-fstack-protector, [stack_protector=yes], [stack_protector=no])
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- AS_IF([test "x$stack_protector" = xyes], [
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- RUBY_TRY_LDFLAGS(-fstack-protector, [], [stack_protector=broken])
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+ AS_FOR(option, opt, [-fstack-protector-strong -fstack-protector], [
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+ RUBY_TRY_CFLAGS(option, [stack_protector=yes])
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+ AS_IF([test "x$stack_protector" = xyes], [
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+ RUBY_TRY_LDFLAGS(option, [], [stack_protector=])
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+ ])
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+ AS_IF([test "x$stack_protector" = xyes], [stack_protector=option; break])
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])
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])
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- AS_IF([test "x$stack_protector" = xyes], [
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- RUBY_APPEND_OPTION(XCFLAGS, -fstack-protector)
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- RUBY_APPEND_OPTION(XLDFLAGS, -fstack-protector)
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- RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector)
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+ AS_CASE(["$stack_protector"], [-*], [
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+ RUBY_APPEND_OPTION(XCFLAGS, $stack_protector)
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+ RUBY_APPEND_OPTION(XLDFLAGS, $stack_protector)
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+ RUBY_APPEND_OPTION(LDFLAGS, $stack_protector)
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])
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AS_CASE("${compress_debug_sections:-zlib}",
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