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-rw-r--r--lib/libz/zconf.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/lib/libz/zconf.h b/lib/libz/zconf.h
index 41bb55f30dd..30cb9a7b608 100644
--- a/lib/libz/zconf.h
+++ b/lib/libz/zconf.h
@@ -468,12 +468,8 @@ 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