Use CollabNet Subversion with Regular Apache

CollabNet are providing up-to-date binary packages of Subversion for many platforms. In my case this is CentOS 5, which by itself only has a rather dated version of Subversion. So I downloaded and installed the client, server and extras packages from CollabNet. The server package comes with a bundled Apache and a pretty nice installation script. However, I wanted to use my regular Apache for hosting the Subversion repositories, which means that I had to include the Apache modules from the CollabNet installation. So here are the respective lines from /etc/httpd/conf/httpd.confLoadModule dav_svn_module /opt/CollabNet_Subversion/modules/
LoadModule authz_svn_module /opt/CollabNet_Subversion/modules/
Those modules require access to additional libraries from /opt/CollabNet_Subversion/lib, so Apache needs to be told to include this directory into the search path (LD_LIBRARY_PATH). The bold part in the below snippet from /etc/init.d/httpd shows what needs to be added:start() {
echo -n $"Starting $prog: "
check13 || exit 1
LANG=$HTTPD_LANG LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/CollabNet_Subversion/lib daemon --pidfile=${pidfile} $httpd $OPTIONS
[ $RETVAL = 0 ] && touch ${lockfile}
return $RETVAL
Simply sourcing in LD_LIBRARY_PATH does not work, because the daemon function calls a separate Bash instance. The only way to feed environment variables into Apache, was by prepending them as shown above. This is also the approach to take for extending the PATH variable (which I needed to do for including /opt/CollabNet_Subversion/bin).

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