diff -ur esorex-3.6.1/configure esorex-3.6.1.new/configure
--- esorex-3.6.1/configure	2007-01-29 13:00:54.000000000 +0100
+++ esorex-3.6.1.new/configure	2007-11-21 18:34:25.000000000 +0100
@@ -21371,7 +21371,7 @@
 echo $ECHO_N "checking for Qfits... $ECHO_C" >&6
 
     cpl_qfits_check_header="qfits.h"
-    cpl_qfits_check_lib="libqfits.a"
+    cpl_qfits_check_lib="libqfits.so"
 
     cpl_qfits_includes=""
     cpl_qfits_libraries=""
@@ -21446,7 +21446,7 @@
         # Check for the Qfits library
 
         if test -z "$cpl_with_qfits_libs"; then
-            cpl_qfits_libdirs="/opt/qfits/lib /usr/local/lib /usr/lib"
+            cpl_qfits_libdirs="/opt/qfits/lib /usr/local/lib $libdir"
 
             test -n "$CPLDIR" && cpl_qfits_libdirs="$CPLDIR/lib \
                                                     $cpl_qfits_libdirs"
@@ -21629,7 +21629,7 @@
 echo $ECHO_N "checking for CPL... $ECHO_C" >&6
 
     cpl_check_cpl_header="cpl_macros.h"
-    cpl_check_cpl_lib="libcplcore.la"
+    cpl_check_cpl_lib="libcplcore.so"
 
     cpl_includes=""
     cpl_libraries=""
@@ -21708,7 +21708,7 @@
             cpl_libdirs="/opt/cpl/lib \
                          /usr/local/lib \
                          /usr/local/cpl/lib \
-                         /usr/lib"
+                         $libdir"
 
             test -n "$CPLDIR" && cpl_libdirs="$CPLDIR/lib $cpl_libdirs"
         else