From 1b55f09c4ea40d1a808ba14f4d17445faefcc035 Mon Sep 17 00:00:00 2001
From: lantz <rlantz@cs.stanford.edu>
Date: Sat, 13 Mar 2021 11:08:02 -0800
Subject: [PATCH] Fix mnexec -v (#1053)

We were discarding the version number sent to stderr

fixes #1052
---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ec89aa1..bffc9bb 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,8 @@ slowtest: $(MININET)
 	mininet/examples/test/runner.py -v
 
 mnexec: mnexec.c $(MN) mininet/net.py
-	$(CC) $(CFLAGS) $(LDFLAGS) -DVERSION=\"`PYTHONPATH=. $(PYMN) --version`\" $< -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) \
+	-DVERSION=\"`PYTHONPATH=. $(PYMN) --version 2>&1`\" $< -o $@
 
 install-mnexec: $(MNEXEC)
 	install -D $(MNEXEC) $(BINDIR)/$(MNEXEC)