From: Eli Zaretskii <eliz@gnu.org>
To: Christian Biesinger <cbiesinger@google.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH] Link to -lssp when available (fixes mingw build)
Date: Wed, 18 Dec 2019 19:57:00 -0000 [thread overview]
Message-ID: <83d0cl2yqd.fsf@gnu.org> (raw)
In-Reply-To: <CAPTJ0XEsNSFwrrqeKD+6QFgUGESvduTdnmk00uKXScZVhtvR=g@mail.gmail.com> (message from Christian Biesinger on Wed, 18 Dec 2019 13:50:00 -0600)
> From: Christian Biesinger <cbiesinger@google.com>
> Date: Wed, 18 Dec 2019 13:50:00 -0600
> Cc: gdb-patches <gdb-patches@sourceware.org>
>
> Hmm, yeah, you are right. But it doesn't work!
> $ g++ test.cc -O2 -lssp_nonshared
> C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/9.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
> C:\msys64\tmp\ccmAuUCu.o:test.cc:(.text.startup+0x1f): undefined
> reference to `__strcpy_chk'
> collect2.exe: error: ld returned 1 exit status
AFAIK, you need to link with -lssp_nonshared -lssp. My GCC's specs
have this:
*link_ssp:
%{fstack-protector|fstack-protector-all|fstack-protector-strong|fstack-protector-explicit:-lssp_nonshared -lssp}
> So I guess that's actually for something else? I think
> https://sourceware.org/ml/gdb-patches/2019-12/msg00787.html is the
> best option.
I agree, FWIW.
next prev parent reply other threads:[~2019-12-18 19:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-18 18:14 Christian Biesinger via gdb-patches
2019-12-18 18:23 ` Christian Biesinger via gdb-patches
2019-12-18 18:45 ` Eli Zaretskii
2019-12-18 18:57 ` Christian Biesinger via gdb-patches
2019-12-18 19:07 ` [PATCH v2] Don't define _FORTIFY_SOURCE on mingw Christian Biesinger via gdb-patches
2020-01-02 11:31 ` Joel Brobecker
2020-01-07 23:43 ` Christian Biesinger via gdb-patches
2020-01-08 3:30 ` Eli Zaretskii
2020-01-09 22:23 ` Tom Tromey
2020-01-09 22:32 ` Christian Biesinger via gdb-patches
2020-01-10 0:28 ` Tom Tromey
2020-01-10 17:41 ` Christian Biesinger via gdb-patches
2019-12-18 19:08 ` [PATCH] Link to -lssp when available (fixes mingw build) Eli Zaretskii
2019-12-18 19:12 ` Christian Biesinger via gdb-patches
2019-12-18 19:40 ` Eli Zaretskii
2019-12-18 19:50 ` Christian Biesinger via gdb-patches
2019-12-18 19:57 ` Eli Zaretskii [this message]
2019-12-18 20:41 ` Christian Biesinger via gdb-patches
2019-12-18 23:12 ` Eli Zaretskii
2019-12-18 23:24 ` Christian Biesinger via gdb-patches
2019-12-19 14:19 ` Pedro Alves
2019-12-19 15:49 ` Eli Zaretskii
2020-02-15 14:06 ` Eli Zaretskii
2019-12-19 20:41 ` Christian Biesinger via gdb-patches
2019-12-19 15:32 ` Eli Zaretskii
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