diff -ru SWIG-1.3.16/configure SWIG-1.3.16-patched/configure
--- SWIG-1.3.16/configure	2002-10-14 20:33:07.000000000 +0200
+++ SWIG-1.3.16-patched/configure	2002-10-17 13:09:42.000000000 +0200
@@ -21122,7 +21122,7 @@
 echo $ECHO_N "checking for Guile library... $ECHO_C" >&6
   dirs="$GUILELIB"
   for i in $dirs ; do
-  	if test -r $i/libguile.so; then
+  	if test -r $i/libguile.dylib; then
   	    echo "$as_me:$LINENO: result: $i" >&5
 echo "${ECHO_T}$i" >&6
   	    GUILELIB="$i"