From: Andy Moreton <andrewjmoreton@gmail.com>
To: 37852@debbugs.gnu.org
Subject: bug#37852: Build failure on MSYS2 (undefined reference to _chk functions)
Date: Mon, 21 Oct 2019 17:05:35 +0100 [thread overview]
Message-ID: <vz1eez6dqy8.fsf@gmail.com> (raw)
In-Reply-To: <CAPM58ojJU9FXHodR1Ad3y=5Rd4+e6ikkSb0HP4+7BS7VREyZoA@mail.gmail.com>
On Mon 21 Oct 2019, Eli Zaretskii wrote:
>> From: Richard Copley <rcopley@gmail.com>
>> Date: Mon, 21 Oct 2019 14:17:36 +0100
>> Cc: 37852@debbugs.gnu.org
>>
>> On Mon, 21 Oct 2019 at 14:07, Eli Zaretskii <eliz@gnu.org> wrote:
>>
>> > From: Richard Copley <rcopley@gmail.com>
>> > Date: Mon, 21 Oct 2019 13:28:29 +0100
>> >
>> > Linking auxiliary executables fails with undefined references to (FORTIFY_SOURCE?) functions
>> > __memcpy_chk and __memmove_chk. This is apparently caused by some change in MSYS2,
>> because
>> > previously buildable commits now fail. Transcript below.
>>
>> Looks like FORTIFY_SOURCE requires linking against -lssp? Can you try
>> adding that, e.g. by
>>
>> make LIBS_SYSTEM=-lssp
>>
>> Yes, that works.
>
> OK, thanks.
>
> So do we need to add that library to the link command under some
> conditions? IOW, is FORTIFY_SOURCE something that comes out of our
> configure script (in which case I'm missing something, because I
> didn't find it in the configure script), or is this an option you
> added manually? In the latter case, would configuring with LIBS=-lssp
> be an okay solution?
See GNULIB_PORTCHECK_FORTIFY_SOURCE in configure.ac - the relevant macro
is _FORTIFY_SOURCE.
Building with -D_FORTIFY_SOURCE=0 also works, but your suggestion to add
the missing library is a better workaround than disabling the checks.
AndyM
next prev parent reply other threads:[~2019-10-21 16:05 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 12:28 bug#37852: Build failure on MSYS2 (undefined reference to _chk functions) Richard Copley
2019-10-21 13:07 ` Eli Zaretskii
2019-10-21 13:17 ` Richard Copley
2019-10-21 13:31 ` Eli Zaretskii
2019-10-21 14:04 ` Richard Copley
2019-10-21 16:01 ` Eli Zaretskii
2019-10-21 16:05 ` Andy Moreton [this message]
2019-10-21 16:36 ` Eli Zaretskii
2019-10-21 16:55 ` Eli Zaretskii
2019-10-22 0:40 ` Paul Eggert
2019-10-22 2:37 ` Eli Zaretskii
2019-10-22 18:27 ` Paul Eggert
2019-10-22 18:51 ` Eli Zaretskii
2019-10-23 21:29 ` Richard Copley
2019-10-24 13:50 ` Eli Zaretskii
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