sync with src

diff --git a/sys/lib/libz/zconf.h b/sys/lib/libz/zconf.h
index e588e8d..973c030 100644 (file)
--- a/sys/lib/libz/zconf.h
+++ b/sys/lib/libz/zconf.h
@@ -472,12 +472,8 @@ typedef uLong FAR uLongf;
 #endif
 
 #ifndef Z_HAVE_UNISTD_H
-#  ifdef __WATCOMC__
-#    define Z_HAVE_UNISTD_H
-#  endif
-#endif
-#ifndef Z_HAVE_UNISTD_H
-#  if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
+#  if defined(__WATCOMC__) || defined(__GO32__) || \
+      (defined(_LARGEFILE64_SOURCE) && !defined(_WIN32))
 #    define Z_HAVE_UNISTD_H
 #  endif
 #endif