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Date:      Wed, 30 Jun 2010 12:13:30 +0400
From:      Anonymous <swell.k@gmail.com>
To:        Doug Barton <dougb@FreeBSD.org>
Cc:        dinoex@FreeBSD.org, ports@FreeBSD.org
Subject:   Re: graphics/png does not compile with gcc 4.5.1
Message-ID:  <86wrthym39.fsf@gmail.com>
In-Reply-To: <alpine.BSF.2.00.1006292331380.62662@qbhto.arg> (Doug Barton's message of "Tue, 29 Jun 2010 23:41:22 -0700 (PDT)")
References:  <alpine.BSF.2.00.1006290952200.23004@qbhto.arg> <86zkydcl1e.fsf@gmail.com> <4C2AB9E4.4030200@FreeBSD.org> <alpine.BSF.2.00.1006292034400.51161@qbhto.arg> <alpine.BSF.2.00.1006292331380.62662@qbhto.arg>
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Doug Barton <dougb@FreeBSD.org> writes:

> nm libssp.so.0 | grep __stack_chk_fail_local
> 00000ac0 t __stack_chk_fail_local
>
> So I'm at a loss, and pretty close to throwing in the towel and going
> back to the base gcc for everything.

I'm not sure what FreeBSD version you're using but I have
__stack_chk_fail_local alias in libc.

  $ readelf -s $LOCALBASE/lib/gcc45/libssp.so.0 | fgrep __stack_chk_fail
      11: 0000000000000c80    24 FUNC    GLOBAL DEFAULT    8 __stack_chk_fail@@LIBSSP_1.0
      51: 0000000000000cc0     5 FUNC    LOCAL  HIDDEN     8 __stack_chk_fail_local
      68: 0000000000000c80    24 FUNC    GLOBAL DEFAULT    8 __stack_chk_fail

  $ readelf -s /lib/libc.so.7 | fgrep __stack_chk_fail
     989: 00000000000adf90    12 FUNC    GLOBAL DEFAULT   10 __stack_chk_fail@@FBSD_1.0
    1514: 00000000000adf90    12 FUNC    GLOBAL DEFAULT   10 __stack_chk_fail_local@FBSD_1.0
    1605: 00000000000adf90    12 FUNC    GLOBAL DEFAULT   10 __stack_chk_fail
    2130: 00000000000adf90    12 FUNC    GLOBAL DEFAULT   10 __stack_chk_fail_local@FB

  $ fgrep __stack_chk_fail_local -r lib/libc -C2
  lib/libc/sys/stack_protector.c-
  lib/libc/sys/stack_protector.c-#ifdef PIC
  lib/libc/sys/stack_protector.c:__sym_compat(__stack_chk_fail_local, __stack_chk_fail, FBSD_1.0);
  lib/libc/sys/stack_protector.c-#else
  lib/libc/sys/stack_protector.c:__weak_reference(__stack_chk_fail, __stack_chk_fail_local);
  lib/libc/sys/stack_protector.c-#endif
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