Loads of undefined reference to `pthread_foo`

[Philip Paeps]

On 2003-04-29 12:22:47 (-0400), Joe Marcus Clarke <marcus at marcuscom.com> wrote:
> On Tue, 2003-04-29 at 07:31, Philip Paeps wrote:
> > On 2003-04-28 23:12:33 (-0400), Joe Marcus Clarke <marcus at marcuscom.com> wrote:
> > > On Mon, 2003-04-28 at 22:42, Philip Paeps wrote:
> > > > Mmm, it seems as though www/mod_php4 isn't compiling.  It's giving the same
> > > > errors as above.  From work/php4.3.1/config.log:
> > > > 
> > > >     [...]
> > > >     /usr/local/lib/libxml2.so: undefined reference to `pthread_setspecific'
> > > >     [...]
> > > > 
> > > > I'm trying to figure out where in the configure script best to add the
> > > > -pthread bit.
> > > 
> > > You shouldn't need to.  What does:
> > > 
> > > xml2-config --libs
> > > 
> > > report?  It should contain -pthread.
> > 
> > That gives me:
> > 
> >   (pub:/usr/ports/www/mod_php4)# xml2-config --libs
> >   -L/usr/local/lib -lxml2 -lz -pthread -L/usr/local/lib -liconv -lm
> >   -L/usr/local/lib
> > 
> > For some reason, PHP doesn't seem to be picking it up though :-/
> 
> Yeah, I looked further at PHP's configure, and it explicitly filters out
> -lc_r and -pthread.  I add a flag to libxml2 to build it without thread
> support.  Rebuild libxml2 with -DLIBXML_WITHOUT_THREADS, and you should be
> set with PHP.  

Thanks!  That works :-)

> I wonder if it would be okay to allow -pthread in mod_php (of course,
> FreeBSD may prevent -pthread from being linked in to the final mod_php .so).

I seem to recall that there was a reason for disabling pthread, at least on
FreeBSD-4?

 - Philip

-- 
Philip Paeps                                          Please don't CC me, I am
philip at paeps.cx                                       subscribed to the list.

  If more than one person is responsible for a
  miscalculation, no one will be at fault.