[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Undefined use of weak symbols in gnulib

From: Bruno Haible
Subject: Re: Undefined use of weak symbols in gnulib
Date: Wed, 28 Apr 2021 01:22:44 +0200
User-agent: KMail/5.1.3 (Linux/4.4.0-206-generic; KDE/5.18.0; x86_64; ; )

Andreas Schwab wrote:
> It is likely that the use of weak pthread symbols is not confined to
> gnulib.

Yes. Between 2000 and 2010 I heard a couple of times "Multithreading
support is only available through libpthread. It is a common technique
to use weak symbols to distinguish a program linked with -lpthread
from a program not linked with -lpthread (and such a program is

Also, people were saying "dlopen of libpthread does not work" [1][2].


[1] https://jmmv.dev/2004/11/dynamic-open-of-libpthread-considered.html
[2] https://sourceware.org/bugzilla/show_bug.cgi?id=18192

reply via email to

[Prev in Thread] Current Thread [Next in Thread]