exim sysconfdir auto-detection

git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@1403 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc

package/rene/exim/exim.conf

@@ -25,6 +25,8 @@ exim_main()
   echo "merging exiscan ..."
   bunzip2 -c $archdir/exiscan-${exiscan_version}.patch.bz2 | patch -p1
 
+  [ "${prefix#opt/}" == "$prefix" ] && sysconfdir="$sysconfdir/exim"
+
   var_append makeopt "BIN_DIRECTORY=$bindir \
                       CONFIGURE_FILE=$sysconfdir/configure \
                       EXIM_USER=10 EXIM_GROUP=10 AUTH_CRAM_MD5=yes \