# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1532434745 -28800
# Node ID 470aa609c7e459efdd5299f718be6d00752b9937
# Parent  1c66ca4f3791c82501c88e7637312182c7294978
avoid extended regex features to avoid caring about sed -r vs -E

diff -r 1c66ca4f3791 -r 470aa609c7e4 ifndef_wrapper.sh
--- a/ifndef_wrapper.sh	Tue Feb 27 22:21:48 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/'