patches/uClibc/0.9.32/170-Conditionalize-use-libgcc_eh-when-libubacktrace-is-n.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sat Jan 04 01:02:57 2014 +0100 (2014-01-04)
changeset 3271 c65dc9b98841
permissions -rw-r--r--
cc/gcc: diable libsanitizer without NPTL

gcc-4.8 comes with a new library to sanitise memory access:
- heap-, stack-, and global-buffer overflow, use-after-free
- data-races between threads

This library requires some _np parts of the API, which are not
implemented in the (old) LinuxThreads, which is still available
in uClibc.

Since NPTL requires a i486 or above, i386 are stuck with using LT,
which precludes building the libsanitizer.

Disable libsanitizer, a bit like libatomic is.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Niels Penneman <niels@penneman.org>
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From the uClibc ML archives:
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    http://lists.uclibc.org/pipermail/uclibc/2011-June/045411.html
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>From 364a3a9c576d604bed146efe0b8b33d2b81d4c64 Mon Sep 17 00:00:00 2001
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From: Jason Woodward <jason.woodward@timesys.com>
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Date: Sat, 11 Jun 2011 01:08:48 -0400
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Subject: [PATCH 1/3] Conditionalize use libgcc_eh when libubacktrace is not enabled
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Signed-off-by: Jason Woodward <jason.woodward@timesys.com>
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---
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 libubacktrace/Makefile.in |    2 +-
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 1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/libubacktrace/Makefile.in b/libubacktrace/Makefile.in
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index f75f68b..880a8af 100644
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--- a/libubacktrace/Makefile.in
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+++ b/libubacktrace/Makefile.in
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@@ -12,7 +12,7 @@ CFLAGS-libubacktrace := -DNOT_IN_libc -DIS_IN_libubacktrace $(SSP_ALL_CFLAGS)
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 LDFLAGS-libubacktrace.so := $(LDFLAGS) $(top_builddir)lib/libdl-$(VERSION).so
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-ifeq ($(CONFIG_ARM_EABI),y)
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+ifeq ($(UCLIBC_HAS_BACKTRACE)$(CONFIG_ARM_EABI),yy)
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 LIBGCC += $(shell $(CC) -print-file-name=libgcc_eh.a)
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 endif
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-- 
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1.7.0.4
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