Loads of undefined reference to `pthread_foo`

[Larry Rosenman]

PHP4 did NOT get recompiled, now my apache won't start because of the 
LIBXML2 recompile
withOUT a shlibversion bump.

LER


--On Monday, April 28, 2003 20:46:05 -0400 Joe Marcus Clarke 
<marcus at marcuscom.com> wrote:

> On Mon, 2003-04-28 at 20:22, Philip Paeps wrote:
>> For some obscure reason, I can't get anything to link properly with
>> libxml2 today.  I keep getting errors like:
>>
>>   /usr/local/lib/libxml2.so: undefined reference to `pthread_cond_signal'
>>   /usr/local/lib/libxml2.so: undefined reference to `pthread_getspecific'
>>   /usr/local/lib/libxml2.so: undefined reference to `pthread_equal'
>>   /usr/local/lib/libxml2.so: undefined reference to `pthread_once'
>>   /usr/local/lib/libxml2.so: undefined reference to `pthread_key_create'
>>   /usr/local/lib/libxml2.so: undefined reference to
>>   `pthread_mutex_unlock' /usr/local/lib/libxml2.so: undefined reference
>>   to `pthread_self' /usr/local/lib/libxml2.so: undefined reference to
>>   `pthread_mutex_destroy' /usr/local/lib/libxml2.so: undefined reference
>>   to `pthread_mutex_lock' /usr/local/lib/libxml2.so: undefined reference
>>   to `pthread_cond_wait' /usr/local/lib/libxml2.so: undefined reference
>>   to `pthread_mutex_init' /usr/local/lib/libxml2.so: undefined reference
>>   to `pthread_setspecific'
>>
>> I don't know what all changed on the box either, perhaps someone could
>> point me in the right direction towards debugging this, and preferably
>> fixing it :-)
>
> libxml2 as of 2.5.7 has thread supported enabled by default.  Therefore,
> you need to link in -pthread on -STABLE or -lc_r on -CURRENT.  If you're
> building your own app, you should be using either pkg-config --libs
> libxml-2.0 or gnome-config --libs libxml-2.0 to get the libraries needed
> for libxml2.
>
> If this is a port in the system, let me know which one is failing.
>
> Joe
>
>>
>> Things which were linked with libxml2 (such as PHP) die with errors like:
>>
>>   /usr/libexec/ld-elf.so.1: /usr/local/lib/libxml2.so.5: Undefined
>>   symbol "pthread_once"
>>
>> This might be a bit thin, but I've not found anything else so far.  I
>> managed to get things to work again by simply not linking with libxml2,
>> but in the long run, that obviously doesn't solve the problem.
>>
>> I've already portupgraded -Rf textproc/libxml2 without any sort of
>> success.
>>
>> Thanks for any help.
>>
>>  - Philip [who's supposed to fix things others have broken *sigh*]
> --
> PGP Key : http://www.marcuscom.com/pgp.asc



-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler at lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749