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From 06e4fe64bbd01f16ee84da161b8e1a61e73b4cdb Mon Sep 17 00:00:00 2001
From: Alexey Neyman <aneyman@lynx.com>
Date: Thu, 31 Mar 2016 13:02:47 -0700
Subject: [PATCH] Provide an alias to _obstack_free
GDB 7.11 does not build if compiled against uclibc-ng (1.0.12 was used,
but the problematic code exists in 1.0.13 as well). The reason is that
GDB release includes its own obstack implementation, but elides the code
if <gnu-versions.h> declares a compatible obstack implementation in
libc. uclibc-ng does claim compatible obstack interface (GDB expects
version 2, but accepts version 1 if sizeof(int) == sizeof(size_t)),
however, uclibc-ng does not provide the _obstack_free symbol that is a
part of the interface (glibc does provide this symbol). This later
causes a link failure.
The attached patch makes uclibc-ng enables an alias _obstack_free ->
obstack_free.
Signed-off-by: Alexey Neyman <stilor@att.net>
---
Upstream-Status: Backport
libc/misc/gnu/obstack.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/libc/misc/gnu/obstack.c b/libc/misc/gnu/obstack.c
index 38cfd83..6acc567 100644
--- a/libc/misc/gnu/obstack.c
+++ b/libc/misc/gnu/obstack.c
@@ -385,11 +385,9 @@ obstack_free (struct obstack *h, void *obj)
abort ();
}
-# if 0
/* Older versions of libc used a function _obstack_free intended to be
called by non-GCC compilers. */
strong_alias (obstack_free, _obstack_free)
-# endif
int
_obstack_memory_used (struct obstack *h)
--
2.8.1
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