# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1532434745 -28800
# Node ID 0196f4f83feef6d14527e53799654d829d5cfa3e
# Parent  a57822db3eac92051625e85e0d499a1c957edfce
avoid extended regex features to avoid caring about sed -r vs -E

diff -r a57822db3eac -r 0196f4f83fee ifndef_wrapper.sh
--- a/ifndef_wrapper.sh	Fri Mar 09 23:16:37 2018 +0800
+++ b/ifndef_wrapper.sh	Tue Jul 24 20:19:05 2018 +0800
@@ -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/'