-$(srcdir)/$(PACKAGE).pot: $(POTFILES)
- $(XGETTEXT) --default-domain=$(PACKAGE) --directory=$(top_srcdir) \
- --add-comments --keyword=_ --keyword=N_ \
- --files-from=$(srcdir)/POTFILES.in
- rm -f $(srcdir)/$(PACKAGE).pot
- mv $(PACKAGE).po $(srcdir)/$(PACKAGE).pot
-
-$(srcdir)/cat-id-tbl.c: stamp-cat-id; @:
-$(srcdir)/stamp-cat-id: $(PACKAGE).pot
- rm -f cat-id-tbl.tmp
- sed -f ../intl/po2tbl.sed $(srcdir)/$(PACKAGE).pot \
- | sed -e "s/@PACKAGE NAME@/$(PACKAGE)/" > cat-id-tbl.tmp
- if cmp -s cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; then \
- rm cat-id-tbl.tmp; \
- else \
- echo cat-id-tbl.c changed; \
- rm -f $(srcdir)/cat-id-tbl.c; \
- mv cat-id-tbl.tmp $(srcdir)/cat-id-tbl.c; \
- fi
- cd $(srcdir) && rm -f stamp-cat-id && echo timestamp > stamp-cat-id
+# stamp-po is a timestamp denoting the last time at which the CATALOGS have
+# been loosely updated. Its purpose is that when a developer or translator
+# checks out the package via CVS, and the $(DOMAIN).pot file is not in CVS,
+# "make" will update the $(DOMAIN).pot and the $(CATALOGS), but subsequent
+# invocations of "make" will do nothing. This timestamp would not be necessary
+# if updating the $(CATALOGS) would always touch them; however, the rule for
+# $(POFILES) has been designed to not touch files that don't need to be
+# changed.
+stamp-po: $(srcdir)/$(DOMAIN).pot
+ test -z "$(CATALOGS)" || $(MAKE) $(CATALOGS)
+ @echo "touch stamp-po"
+ @echo timestamp > stamp-poT
+ @mv stamp-poT stamp-po
+
+# Note: Target 'all' must not depend on target '$(DOMAIN).pot-update',
+# otherwise packages like GCC can not be built if only parts of the source
+# have been downloaded.
+
+# This target rebuilds $(DOMAIN).pot; it is an expensive operation.
+# Note that $(DOMAIN).pot is not touched if it doesn't need to be changed.
+$(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
+ $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+ --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) \
+ --files-from=$(srcdir)/POTFILES.in \
+ --copyright-holder='$(COPYRIGHT_HOLDER)' \
+ --msgid-bugs-address='$(MSGID_BUGS_ADDRESS)'
+ test ! -f $(DOMAIN).po || { \
+ if test -f $(srcdir)/$(DOMAIN).pot; then \
+ sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \
+ sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
+ if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
+ rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
+ else \
+ rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
+ mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+ fi; \
+ else \
+ mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+ fi; \
+ }
+
+# This rule has no dependencies: we don't need to update $(DOMAIN).pot at
+# every "make" invocation, only create it when it is missing.
+# Only "make $(DOMAIN).pot-update" or "make dist" will force an update.
+$(srcdir)/$(DOMAIN).pot:
+ $(MAKE) $(DOMAIN).pot-update
+
+# This target rebuilds a PO file if $(DOMAIN).pot has changed.
+# Note that a PO file is not touched if it doesn't need to be changed.
+$(POFILES): $(srcdir)/$(DOMAIN).pot
+ @lang=`echo $@ | sed -e 's,.*/,,' -e 's/\.po$$//'`; \
+ test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+ echo "$${cdcmd}$(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot"; \
+ cd $(srcdir) && $(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot