From 4ed715c128dced9eede0482852e5125287bb5f70 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 21 Dec 1994 22:28:02 +0000
Subject: [PATCH] (C_DEBUG_SWITCH): Define this only if __GNUC__.

---
 src/s/dgux.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/s/dgux.h b/src/s/dgux.h
index e93ce484cb9..665b1071b71 100644
--- a/src/s/dgux.h
+++ b/src/s/dgux.h
@@ -351,7 +351,9 @@ CC=gcc
   if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
     fatal ("ioctl I_PUSH ttcompat", errno);
 
+#ifdef __GNUC__
 #define C_DEBUG_SWITCH -g -V2 -mversion-03.00 -mstandard
+#endif
 
 #endif /* ELF */
 
-- 
2.39.5