cleaned up some of the document making

doc/Makefile

@@ -1,13 +1,25 @@
 
+locales = de
+
 all:
 	sgml2html comedilib.sgml
 	sgml2txt comedilib.sgml
 
 messages: .phony
 	xgettext -k_ -k_s $(shell find .. -name '*.c')
-	for i in de;do \
+	for i in $(locales);do \
 	  msgmerge po/$$i.po messages.po -o $$i.po; \
-	  msgfmt $$i.po -o $$i/LC_MESSAGES/comedilib.mo; \
+	  mkdir -p locale/$$i/LC_MESSAGES; \
+	  msgfmt $$i.po -o locale/$$i/LC_MESSAGES/comedilib.mo; \
+	done
+
+distclean: clean
+	rm -f *.html *.txt
+	rm -rf locale
+
+clean:
+	for i in $(locales);do \
+	  rm -f $$i.po ; \
 	done
 
 .phony: