For some ungodly reason my etags doesn't have an --output option, but it

petere · petere · commit b651540720c3 · 2001-03-14T21:07:16.000Z
does have -o.
diff --git a/src/tools/make_etags b/src/tools/make_etags
@@ -2,7 +2,7 @@
 trap "rm -f /tmp/$$" 0 1 2 3 15
 rm -f ./TAGS
 find `pwd`/ -type f -name '*.[chyl]' -print | \
-  xargs etags --append --output=TAGS
+  xargs etags --append -o TAGS
 
 find . -type d -print | \
 while read DIR; do
