--- a/archivers/unzip.c	Fri May 10 09:16:38 2002 +0000
+++ b/archivers/unzip.c	Fri May 10 09:25:25 2002 +0000
@@ -4,6 +4,11 @@
    Read unzip.h for more info
 */
 
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#if (defined PHYSFS_SUPPORTS_ZIP)
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -14,10 +19,6 @@
 #define __PHYSICSFS_INTERNAL__
 #include "physfs_internal.h"
 
-#if (!defined PHYSFS_SUPPORTS_ZIP)
-#error PHYSFS_SUPPORTS_ZIP must be defined.
-#endif
-
 #ifdef STDC
 #  include <stddef.h>
 #  include <string.h>
@@ -1317,3 +1318,7 @@
 	return (int)uReadThis;
 }
 
+#endif  /* defined PHYSFS_SUPPORTS_ZIP */
+
+/* end of unzip.c ... */
+