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[Bug ld/16403] Spurious undefined reference with --as-needed
From: |
ldv at altlinux dot org |
Subject: |
[Bug ld/16403] Spurious undefined reference with --as-needed |
Date: |
Wed, 15 Jan 2014 16:36:08 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=16403
Dmitry V. Levin <ldv at altlinux dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ldv at altlinux dot org
--- Comment #2 from Dmitry V. Levin <ldv at altlinux dot org> ---
Not quite unusual for x86 as it looks, I see the same happens e.g. with build
of samba.
Here is a more simple test case:
$ cat f.c
void fun(void){}
$ gcc -c -fPIC -fstack-protector-all f.c
$ nm f.o
U __stack_chk_fail_local
00000000 T fun
$ gcc -shared -Wl,--as-needed,--no-undefined -o f.so f.o
/usr/lib/libc_nonshared.a(stack_chk_fail_local.oS): In function
`__stack_chk_fail_local':
/usr/src/RPM/BUILD/glibc-2.17-alt7/debug/stack_chk_fail_local.c:45: undefined
reference to `__stack_chk_fail'
collect2: error: ld returned 1 exit status
It looks for me more like libc.so script bug rather than ld --as-needed bug.
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