[oe-commits] [openembedded-core] 26/43: gcc-6.3: backport fix of check for empty string in ubsan.c
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Sat Apr 8 21:49:07 UTC 2017
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commit 7a7fcbab0365b9501c737dbc02715be14dda72a3
Author: Joshua Lock <joshua.g.lock at intel.com>
AuthorDate: Thu Apr 6 14:23:14 2017 +0100
gcc-6.3: backport fix of check for empty string in ubsan.c
Building gcc-cross-initial with GCC7 on the host fails due to the
comparison of a pointer to an integer in ubsan_use_new_style_p, which
is forbidden by ISO C++:
ubsan.c:1474:23: error: ISO C++ forbids comparison between pointer and
integer [-fpermissive]
|| xloc.file == '\0' || xloc.file[0] == '\xff'
Backport the fix from upstream GCC to enable the build with GCC 7
Signed-off-by: Joshua Lock <joshua.g.lock at intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
meta/recipes-devtools/gcc/gcc-6.3.inc | 1 +
.../gcc/gcc-6.3/ubsan-fix-check-empty-string.patch | 28 ++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/meta/recipes-devtools/gcc/gcc-6.3.inc b/meta/recipes-devtools/gcc/gcc-6.3.inc
index da7a083..71d0aff 100644
--- a/meta/recipes-devtools/gcc/gcc-6.3.inc
+++ b/meta/recipes-devtools/gcc/gcc-6.3.inc
@@ -84,6 +84,7 @@ SRC_URI = "\
"
BACKPORTS = "\
file://CVE-2016-6131.patch \
+ file://ubsan-fix-check-empty-string.patch \
"
SRC_URI[md5sum] = "677a7623c7ef6ab99881bc4e048debb6"
SRC_URI[sha256sum] = "f06ae7f3f790fbf0f018f6d40e844451e6bc3b7bc96e128e63b09825c1f8b29f"
diff --git a/meta/recipes-devtools/gcc/gcc-6.3/ubsan-fix-check-empty-string.patch b/meta/recipes-devtools/gcc/gcc-6.3/ubsan-fix-check-empty-string.patch
new file mode 100644
index 0000000..c012719
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-6.3/ubsan-fix-check-empty-string.patch
@@ -0,0 +1,28 @@
+From 8db2cf6353c13f2a84cbe49b689654897906c499 Mon Sep 17 00:00:00 2001
+From: kyukhin <kyukhin at 138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Sat, 3 Sep 2016 10:57:05 +0000
+Subject: [PATCH] gcc/ * ubsan.c (ubsan_use_new_style_p): Fix check for empty
+ string.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@239971 138bc75d-0d04-0410-961f-82ee72b054a4
+
+Upstream-Status: Backport
+Signed-off-by: Joshua Lock <joshua.g.lock at intel.com>
+
+---
+ gcc/ubsan.c | 2 +-
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
+Index: gcc-6.3.0/gcc/ubsan.c
+===================================================================
+--- gcc-6.3.0.orig/gcc/ubsan.c
++++ gcc-6.3.0/gcc/ubsan.c
+@@ -1471,7 +1471,7 @@ ubsan_use_new_style_p (location_t loc)
+
+ expanded_location xloc = expand_location (loc);
+ if (xloc.file == NULL || strncmp (xloc.file, "\1", 2) == 0
+- || xloc.file == '\0' || xloc.file[0] == '\xff'
++ || xloc.file[0] == '\0' || xloc.file[0] == '\xff'
+ || xloc.file[1] == '\xff')
+ return false;
+
--
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