apache+mod_ssl + php4 crashes

[Matthew Seaman]

On Wed, Mar 17, 2004 at 02:20:34PM +0100, Heinrich Rebehn wrote:

> this is the ldd output:
> 
> root at antsrv1 [/usr/local/libexec/apache] # ldd ./libphp4.so
> ./libphp4.so:
[...]
>         libc_r.so.5 => /usr/lib/libc_r.so.5 (0x287fd000)

Hmmmm... Which OS version are you building this on?  If it's
5.2.1-RELEASE, I think that libc_r.so.5 should be replaced by
libpthread.so.N -- and one exceedingly annoying problem is that in a
dynamically linked program like Apache, parts of it can end up being
linked against libpthread, and other parts can be linked against
libc_r, which will cause the whole thing to crash.

One solution is to use /etc/libmap.conf to substiture libpthread for
libc_r during the dynamic link stage of program startup. See
libmap.conf(5).  /etc/libmap.conf should contain something like:

     libpthread.so.1         libpthread.so.1 # Everything uses 'libpthread'
     libpthread.so           libpthread.so

     libc_r.so.5             libpthread.so.1 # Everything that uses 'libc_r'
     libc_r.so               libpthread.so   # now uses 'libpthread'

Of course, the ultimate solution is to fix all of the ports and
recompile them so that they automatically link against the correct
threading library.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK
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