diff -burN php-5.0.4RC1.orig/ext/sybase/config.m4 php-5.0.4RC1/ext/sybase/config.m4
--- php-5.0.4RC1.orig/ext/sybase/config.m4	2005-03-15 18:02:27.502313968 +0100
+++ php-5.0.4RC1/ext/sybase/config.m4	2005-03-15 18:09:18.738796520 +0100
@@ -18,6 +18,7 @@
   PHP_ADD_INCLUDE($SYBASE_INCDIR)
   PHP_ADD_LIBRARY_WITH_PATH(sybdb, $SYBASE_LIBDIR, SYBASE_SHARED_LIBADD)
   PHP_NEW_EXTENSION(sybase, php_sybase_db.c, $ext_shared)
+  PHP_SUBST(SYBASE_SHARED_LIBADD)
   AC_CHECK_LIB(dnet_stub, dnet_addr,
      [ PHP_ADD_LIBRARY_WITH_PATH(dnet_stub,,SYBASE_SHARED_LIBADD)
         AC_DEFINE(HAVE_LIBDNET_STUB,1,[ ])