From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Cc: Daniel Abrahamsson <daniel.abrahamsson@prover.com>
Subject: Re: gcc -pg broken after cygwin update?
Date: Wed, 7 Dec 2022 13:40:58 +0100 [thread overview]
Message-ID: <Y5CJ2puxN+/Reahf@calimero.vinschen.de> (raw)
In-Reply-To: <Y5B+DvKl+fzjtZTk@calimero.vinschen.de>
On Dec 7 12:50, Corinna Vinschen via Cygwin wrote:
> On Dec 7 08:58, Daniel Abrahamsson via Cygwin wrote:
> > Hi,
> >
> > This morning I updated cygwin, and after that gcc started producing errors like this:
> >
> > > gcc -Wall -Wextra -Werror -pedantic -Wno-unused-parameter -g -pg -DVERBOSE -c -o ../obj/<somefile>.o <somefile>.c
> > > gcc -o ../bin/<mybin> ../obj/<somefile>.o -pg
> > > /usr/lib/gcc/x86_64-pc-cygwin/11/../../../../x86_64-pc-cygwin/bin/ld: ../obj/<somefile>.o: in function `exit_eval_failure':
> > /home/daab/dev/someproj/src/<somefile>.c:17: undefined reference to `__fentry__'
> >
> > If I drop the "pg" flags from the compilation and linking stages, everything works.
> >
> > I typically update cygwin packages once per week, but now it has been
> > maybe a month since I last updated. As far as I can tell from the
> > cygwin-announce archives, there has not been any gcc updates in that
> > period, but I do note that cygwin itself has been updated. Could that
> > be related?
>
> Thanks for the report.
>
> This is a dumb bug I introduced into the build system in 3.4.0. I fixed
> that in the git repo, but the automated build of the matching test
> release cygwin-3.5.0-0.17.g95f5b0a62036 is currently not building due to
> some hiccup on cygwin.com. I'll send a new mail as soon as this is
> fixed and you can test it (provided you run at least Windows 8.1).
Automated builds have been picked up again and the Cygwin test package
3.5.0-0.17.g95f5b0a62036 should be available later today. You can
install it using setup.exe, just like any other test release.
Don't forget to install the matching cygwin-devel package, too, that's
the one containing the library libgmon.a, which is what gets linked in
with `gcc -pg'.
Thanks,
Corinna
next prev parent reply other threads:[~2022-12-07 12:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-07 8:58 Daniel Abrahamsson
2022-12-07 11:50 ` Corinna Vinschen
2022-12-07 12:40 ` Corinna Vinschen [this message]
2022-12-07 15:05 ` Daniel Abrahamsson
2022-12-07 15:09 ` Corinna Vinschen
2022-12-07 14:47 ` [EXTERNAL] " Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-12-07 15:07 ` Corinna Vinschen
2022-12-07 17:59 ` Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-12-08 9:40 ` Corinna Vinschen
2022-12-08 14:47 ` Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-12-08 15:32 ` Corinna Vinschen
2022-12-08 16:02 ` Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2022-12-08 16:06 ` Corinna Vinschen
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