On Darwin, only use /usr/bin/libtool if libtool is not Apple.

[zlib.git] / zutil.h

diff --git a/zutil.h b/zutil.h
index 7be5f55497710d23904de553c914d18a51b6680a..4e3dcc6ae9f7ac4987e4ccdfe234a68c87c15780 100644 (file)
--- a/zutil.h
+++ b/zutil.h
@@ -13,7 +13,7 @@
 #ifndef ZUTIL_H
 #define ZUTIL_H
 
-#if ((__GNUC__-0) * 100 + __GNUC_MINOR__-0) >= 303 && !defined(NO_VIZ)
+#ifdef HAVE_HIDDEN
 #  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
 #else
 #  define ZLIB_INTERNAL