Formerly make.h.~71~

diff --git a/make.h b/make.h
index 7b9aa3198908190847c3e43946db226168a01345..d42720a96454510880c4114aebb927fe0153a60c 100644 (file)
--- a/make.h
+++ b/make.h
@@ -55,6 +55,12 @@ 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.  */
+#undef POSIX
+#endif
+
 #if !defined (HAVE_SYS_SIGLIST) && defined (HAVE__SYS_SIGLIST)
 #define        sys_siglist     _sys_siglist
 #define        HAVE_SYS_SIGLIST        /* Now we have it.  */