From 5ca12d8332f82afd5df9df7a9894d291a5e1c884 Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Tue, 24 Jul 2018 20:19:05 +0800
Subject: [PATCH] avoid extended regex features to avoid caring about sed -r vs
 -E

---
 ifndef_wrapper.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ifndef_wrapper.sh b/ifndef_wrapper.sh
index e2545d4..37a208d 100755
--- a/ifndef_wrapper.sh
+++ b/ifndef_wrapper.sh
@@ -2,6 +2,6 @@
 
 # Wrap all "#define X Y" with a #ifndef X...#endif"
 
-sed -E 's/^( *#define ([^ ]+) .*)/#ifndef \2\
+sed 's/^\( *#define \([^ ][^ ]*\) .*\)/#ifndef \2\
 \1\
 #endif/'