From f1812d0ae670e6d4337220b86463a3e6dd0388c7 Mon Sep 17 00:00:00 2001
From: Karl Heuer <kwzh@gnu.org>
Date: Tue, 17 May 1994 23:43:15 +0000
Subject: [PATCH] [!MSDOS]: Declare popen.

---
 lib-src/etags.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 89834508718..4374940c587 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -55,7 +55,9 @@ char pot_etags_version[] = "@(#) pot revision number is 10.32";
 #include "getopt.h"
 
 extern char *getenv ();
-
+#ifndef MSDOS
+extern FILE *popen ();
+#endif
 
 /* Define CTAGS to make the program "ctags" compatible with the usual one.
  Let it undefined to make the program "etags", which makes emacs-style
-- 
2.39.5