Allow zip reader to build on platforms that lack zlib.

However, this breaks reading non-compressed zip entries as well.
Submitted by:	Ivailo Petrov

SVN-Revision: 252

diff --git a/libarchive/archive_read_support_format_zip.c b/libarchive/archive_read_support_format_zip.c
index a22eaa0a3fda9765ef76e3beb05227c534dc3c8c..1d7187f434693cfeda3d4d5c5c1402b86f401d0f 100644 (file)
--- a/libarchive/archive_read_support_format_zip.c
+++ b/libarchive/archive_read_support_format_zip.c
@@ -36,6 +36,10 @@ __FBSDID("$FreeBSD: src/lib/libarchive/archive_read_support_format_zip.c,v 1.27
 #include <time.h>
 #ifdef HAVE_ZLIB_H
 #include <zlib.h>
+#else
+/* Hmmm... This is necessary, but means that we can't correctly extract
+ * even uncompressed entries on platforms that lack zlib. */
+#define        crc32(crc, buf, len) (unsigned long)0
 #endif
 
 #include "archive.h"