[devel] Re: I: how does dlsym work
Alexey Tourbin
=?iso-8859-1?q?at_=CE=C1_altlinux=2Eru?=
Сб Мар 19 00:31:42 MSK 2005
On Mon, Feb 14, 2005 at 03:43:35PM +0300, Dmitry V. Levin wrote:
> Познавательное чтение для тех, кто пишет разные обёртки:
> http://sources.redhat.com/ml/libc-alpha/2005-02/msg00054.html
> и далее по треду.
Есть такая беда.
:r ~/RPM/SOURCES/perl-5.8.6-alt-rh-threads-lpthread.patch
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=101767
At least following libraries:
/usr/lib/perl5/5.8.0/i386-linux-thread-multi/auto/threads/threads.so
/usr/lib/perl5/5.8.0/i386-linux-thread-multi/auto/threads/shared/shared.so
were not linked against -lpthread, even though they are using pthread_*
functions provided only by libpthread.
This results in the symbols being non-versioned, and thus
pthread_create на GLIBC_2.0 being called instead of the expected
pthread_create@@GLIBC_2.1
--- perl-5.8.6/ext/threads/Makefile.PL~ 2003-04-03 06:08:54 +0000
+++ perl-5.8.6/ext/threads/Makefile.PL 2004-12-11 02:03:13 +0000
@@ -10,7 +10,7 @@ WriteMakefile(
(ABSTRACT_FROM => 'threads.pm', # retrieve abstract from module
AUTHOR => 'Artur Bergman <artur на contiller.se>') : ()),
'MAN3PODS' => {}, # Pods will be built by installman
- 'LIBS' => [''], # e.g., '-lm'
+ 'LIBS' => [ '-lpthread' ], # e.g., '-lm'
'DEFINE' => '', # e.g., '-DHAVE_SOMETHING'
# Insert -I. if you add *.h files later:
# 'INC' => '', # e.g., '-I/usr/include/other'
--- perl-5.8.6/ext/threads/shared/Makefile.PL~ 2002-07-12 22:17:07 +0000
+++ perl-5.8.6/ext/threads/shared/Makefile.PL 2004-12-11 02:03:08 +0000
@@ -13,7 +13,7 @@ WriteMakefile(
(ABSTRACT_FROM => 'shared.pm', # retrieve abstract from module
AUTHOR => 'Arthur Bergman <arthur на contiller.se>') : ()),
'MAN3PODS' => {}, # Pods will be built by installman
- 'LIBS' => [''], # e.g., '-lm'
+ 'LIBS' => [ '-lpthread' ], # e.g., '-lm'
'DEFINE' => '', # e.g., '-DHAVE_SOMETHING'
# Insert -I. if you add *.h files later:
'INC' => '', # e.g., '-I/usr/include/other'
> --
> ldv
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