From eb81631ebb88b52f8ea0b1d322f59d081a45bb0a Mon Sep 17 00:00:00 2001
From: Juan Jose Garcia Ripoll <jjgarcia@users.sourceforge.net>
Date: Sun, 16 Jan 2011 19:13:34 +0100
Subject: [PATCH] Slightly better syntax for the case in which ETAGS is not
 defined.

---
 src/Makefile.in | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/Makefile.in b/src/Makefile.in
index 9fcb4818e..99dc6a429 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -246,12 +246,13 @@ selfbuild:
 # like "@si::foo" and "@(defun si::foo".
 # This rule is allowed to fail when etags does not exist.
 TAGS:
-	echo > $@;
-	test "x$(ETAGS)" != "x" && \
-	srcfiles=`find $(srcdir)/c $(srcdir)/h -name '*.[chd]'`; \
+	echo > $@
+	if test "x$(ETAGS)" != "x"; then \
+	srcfiles=`find $(srcdir)/c $(srcdir)/h -name '*.[chd]'` && \
 	$(ETAGS) --language=c    -o $@ $$srcfiles && \
 	$(ETAGS) --language=none -o $@ --append \
 	      --regex='/@\([-:*a-zA-z]+\)/\1/' \
 	      --regex='/@(defun \([-:*a-zA-z]+\)/\1/' \
-	      $$srcfiles
+	      $$srcfiles; \
+	fi