Fix __stack_chk_fail_local undefined error in PIE case, bump PKGREVISION

* Port from NetBSD src
  Fix __stack_chk_fail_local undefined reference error
  from "gcc test.c -fstack-protector-all -fPIE".
* As a result, pkgsrc/www/firefox build under NetBSD/i386 7.1 is fixed

3 files changed, 30 insertions, 3 deletions

diff --git a/lang/gcc49/Makefile b/lang/gcc49/Makefile
index 8de2fbca3d4..00540312161 100644
--- a/lang/gcc49/Makefile
+++ b/lang/gcc49/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.21 2017/07/28 23:41:51 maya Exp $
+# $NetBSD: Makefile,v 1.22 2017/10/14 14:46:00 ryoon Exp $
 
 GCC_PKGNAME=	gcc49
 .include	"version.mk"
@@ -9,7 +9,7 @@ PKGNAME=	${GCC_PKGNAME}-${GCC49_DIST_VERSION}
 ## When bumping the PKGREVISION of this package the PKGREVISION of
 ## lang/gcc49-libs needs to be bump to be at least 1 more than the
 ## PKGREVISION of this package!
-PKGREVISION=	4
+PKGREVISION=	5
 CATEGORIES=	lang
 MASTER_SITES=	${MASTER_SITE_GNU:=gcc/gcc-${GCC49_DIST_VERSION}/}
 EXTRACT_SUFX=	.tar.bz2
diff --git a/lang/gcc49/distinfo b/lang/gcc49/distinfo
index f9ace309915..1e0770ee20d 100644
--- a/lang/gcc49/distinfo
+++ b/lang/gcc49/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.14 2017/07/28 23:41:51 maya Exp $
+$NetBSD: distinfo,v 1.15 2017/10/14 14:46:00 ryoon Exp $
 
 SHA1 (ecj-4.5.jar) = 58c1d79c64c8cd718550f32a932ccfde8d1e6449
 RMD160 (ecj-4.5.jar) = d3f4da657f086b6423f74e93f001132f4855368a
@@ -26,6 +26,7 @@ SHA1 (patch-gcc_fortran_f95-lang.c) = 9dbac16c146821eed9b06e1e9f0da85ff5c4ee75
 SHA1 (patch-gcc_ggc-common.c) = fa577bc25260d7e6304f166686ba51c0b677d7f6
 SHA1 (patch-gcc_ginclude_stddef.h) = 8af3e4b4058fc623c61e91f5771699f0ce679957
 SHA1 (patch-gcc_system.h) = 4c959a6b1c4d524cbdf44cfb80f0e5758ec20783
+SHA1 (patch-gcc_targhooks.c) = ac5bf5f201389f5bb79866d9e0dc93ee28af51f2
 SHA1 (patch-include_libiberty.h) = 5254c6a421ae16c71571820f6f07906367f042ba
 SHA1 (patch-libcilkrts_runtime_os-unix.c) = 165e736decbc6e0e3d905d418d71cf4873927925
 SHA1 (patch-libcilkrts_runtime_signal_node.c) = e12fd7c9f109db568c46e915bd1bae28fae7b95a
diff --git a/lang/gcc49/patches/patch-gcc_targhooks.c b/lang/gcc49/patches/patch-gcc_targhooks.c
new file mode 100644
index 00000000000..6aa68f1cde3
--- /dev/null
+++ b/lang/gcc49/patches/patch-gcc_targhooks.c
@@ -0,0 +1,26 @@
+$NetBSD: patch-gcc_targhooks.c,v 1.1 2017/10/14 14:46:00 ryoon Exp $
+
+* Port from NetBSD src
+  Fix __stack_chk_fail_local undefined reference error
+  from "gcc test.c -fstack-protector-all -fPIE".
+
+--- gcc/targhooks.c.orig	2014-03-03 21:51:58.000000000 +0000
++++ gcc/targhooks.c
+@@ -738,7 +738,17 @@ default_hidden_stack_protect_fail (void)
+       DECL_ARTIFICIAL (t) = 1;
+       DECL_IGNORED_P (t) = 1;
+       DECL_VISIBILITY_SPECIFIED (t) = 1;
++#if defined(__NetBSD__)
++      /*
++       * This is a hack:
++       * It appears that our gas does not generate @PLT for hidden
++       * symbols. It could be that we need a newer version, or that
++       * this local function is handled differently on linux.
++       */
++      DECL_VISIBILITY (t) = VISIBILITY_DEFAULT;
++#else
+       DECL_VISIBILITY (t) = VISIBILITY_HIDDEN;
++#endif
+ 
+       stack_chk_fail_decl = t;
+     }