# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1519832577 -28800
# Node ID 86e4995bbedfec3741f3b5322ee9ebc26a585795
# Parent  1cbb7b3d670315a44ba70fad9e947e4c9bfcbd71
more portable for `which hg` test

diff -r 1cbb7b3d6703 -r 86e4995bbedf configure.ac
--- a/configure.ac	Wed Feb 28 22:12:05 2018 +0800
+++ b/configure.ac	Wed Feb 28 23:42:57 2018 +0800
@@ -10,7 +10,7 @@
 AC_CONFIG_SRCDIR(buffer.c)
 
 # Record which revision is being built
-if which -s hg && test -d "$srcdir/.hg"; then
+if test -s "`which hg`" && test -d "$srcdir/.hg"; then
 	hgrev=`hg id -i -R "$srcdir"`
 	AC_MSG_NOTICE([Source directory Mercurial base revision $hgrev])
 fi