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-rw-r--r--make.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/make.h b/make.h
index f533e52..8475efa 100644
--- a/make.h
+++ b/make.h
@@ -55,9 +55,9 @@ extern int errno;
#endif
#endif
-#ifdef butterfly
-/* The BBN Butterfly has <unistd.h> that defines _POSIX_VERSION,
- but isn't really a POSIX.1 system. */
+/* Some systems define _POSIX_VERSION but are not really POSIX.1. */
+#if (defined (butterfly) || \
+ (defined (__mips) && defined (_SYSTYPE_SVR3)))
#undef POSIX
#endif