diff -Naur php-4.3.6/ext/mcal/config.m4 php-4.3.6.oden/ext/mcal/config.m4
--- php-4.3.6/ext/mcal/config.m4	2004-05-21 11:04:19.694409342 +0200
+++ php-4.3.6.oden/ext/mcal/config.m4	2004-05-21 11:03:25.884889844 +0200
@@ -20,7 +20,7 @@
   done
 
   for i in $MCAL_DIR $MCAL_DIR/mcal $MCAL_DIR/mcal/$PHP_LIBNAME $MCAL_DIR/$PHP_LIBNAME/mcal $MCAL_DIR/$PHP_LIBNAME; do
-    if test -r "$i/libmcal.a"; then
+    if test -r "$i/libmcal.so" -o -r "$i/libmcal.a"; then
       MCAL_LIBRARY=$i
     fi
   done
@@ -31,12 +31,12 @@
     fi
   done
 
-  if test ! -f "$MCAL_LIBRARY/libmcal.a"; then
-    AC_MSG_ERROR(Unable to locate your libmcal library files - libmcal.a should be in the directory you specify or in the lib/ subdirectory below it - default search location is $MCAL_DEFAULT_SEARCH)
+  if test -z "$MCAL_LIBRARY"; then
+    AC_MSG_ERROR(Unable to locate your libmcal library files - libmcal.* should be in the directory you specify or in the lib/ subdirectory below it - default search location is $MCAL_DEFAULT_SEARCH)
   fi
 
   PHP_ADD_INCLUDE($MCAL_INCLUDE)
-  PHP_ADD_LIBPATH($MCAL_LIBRARY,MCAL_SHARED_LIBADD)
+  PHP_ADD_LIBRARY_WITH_PATH(mcal, $MCAL_LIBRARY, MCAL_SHARED_LIBADD)
   PHP_ADD_LIBRARY_DEFER(mcal,[],MCAL_SHARED_LIBADD)
   PHP_SUBST(MCAL_SHARED_LIBADD)
   AC_DEFINE(HAVE_MCAL,1,[ ])