one nifty utility for making sure this does not happen, is checkinstall. It
has saved my but a few times :)
But, beware when using php4. Checkinstall sees that php changes httpd.conf,
and if you do rpm -e php you'll end up deleting your httpd.conf file. Keep
a backup.
This would help people out of situations like this one.
Tarjei.
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Eric
> Thompson
> Sent: 29. april 2001 07:43
> To: [EMAIL PROTECTED]
> Subject: Re: [midgard-user] Undefined symbol errors
>
>
> David,
>
> your instructions below were very helpful. I had previously
> wondered what would be necessary to clean up after installing a
> new version on top of an existing one.
>
> Could a refined version of the below be put in the Midgard FAQ?
> Perhaps under the topic of "Uninstalling Midgard" or some such.
> I believe a lot of people could benefit from it, and a lot of
> problems avoided.
>
> However, I did the below and am now getting the following error:
>
> /****************************************************/
> bash-2.04# /www/bin/apachectl start
> Syntax error on line 249 of /www/conf/httpd.conf:
> Cannot load /www/libexec/mod_midgard.so into server:
> shared object not
> open
> /*****************************************************/
>
> I believe I read somewhere that php4 had to be compiled statically
> and not as a module in order for session support to work. I compiled
> php4 with:
> --enable-mgd-session
> so perhaps that is my problem? So I would have to recompile
> apache with
> php4 staticly linked?
>
> At this point I am somewhat confused as to how Midgard works in
> conjunction
> with php4, especially in regard to session management.
>
> The on-line documentation states:
>
> A.5.1. Is the Midgard distribution an entire
> replacement for my current PHP build?
>
> Yes, Midgard is a replacement to your copy of PHP3. The
> Midgard
> version should be able to run any PHP stuff...
>
> What are the relationships when php4 is in the picture, and
> in regard to
> v.1.4.1?
>
> Cheers,
> Eric
>
>
> David Guerizec wrote:
> >
> > Hi,
> >
> > For all of you that are seeing an undefined symbol error at
> apache's startup,
> > please make sure you don't have any old midgard library
> laying around.
> >
> > Here is how to proceed:
> >
> > if midgard-lib was compiled without --prefix, the default prefix is
> > /usr/local, that means that the libmidgard.* files will be
> in /usr/local/lib,
> > and the include files will be in /usr/local/include/midgard
> >
> > so, in general, midgard installs these files:
> >
> > $prefix/lib/libmidgard.*
> > $prefix/include/midgard*
> > $prefix/etc/repligard.conf
> > $prefix/bin/repligard
> > $prefix/share/midgard*
> >
> > /path/to/apache/modules/mod_midgard.so
> > /path/to/apache/modules/libphp3.so # for midgard PHP3
> > /path/to/php/extensions/midgard.so # for midgard PHP4
> >
> > now, you have to remove these files.
> > to find the prefix(es), you can either do:
> > # locate midgard; locate repligard
> > and delete all but your midgard source directory
> > or do:
> > # ldconfig -p | midgard
>
> I believe you meant:
>
> # ldconfig -p | grep midgard
>
> > this will give you the prefix (before lib/libmidgard.so*),
> then delete every
> > midgard file under this prefix
> >
> > after you've deleted every midgard files, check your
> /etc/ld.so.conf, it must
> > contain the path to the midgard library directory, ie.
> /usr/local/lib for the
> > default installation, $prefix/lib in general.
> >
> > now run ldconfig and repeat the previous steps to check
> that you didn't forget
> > another instance of the midgard lib.
> >
> > once you're sure you've got a clean system, cd into your
> midgard source
> > directory, and do:
> > # cd lib; make install
> > # cd ../mod; make clean; ./config.status; make install
> > # cd ../php; make clean; ./config.status; make install <if
> you install PHP3>
> > # cd ../php4; make clean; ./config.status; make install <if
> you install PHP4>
> >
> > Hope this helps (and please correct me if something is wrong).
>
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