+.PHONY: clean clean/subdirs veryclean veryclean/subdirs manpages/subdirs docbook/subdirs all binary doc stats
+
+clean: clean/subdirs clean/examples
+veryclean: veryclean/subdirs clean/examples
+manpages: apt-vendor.ent manpages/subdirs
+docbook: apt-vendor.ent docbook/subdirs
+
+DOCUMENTATIONPO = $(patsubst %.po,%,$(notdir $(wildcard po/*.po)))
+DOCDIRLIST = $(addsuffix /makefile,$(DOCUMENTATIONPO))
+
+dirs: $(DOCDIRLIST)
+$(DOCDIRLIST) :: %/makefile : lang.makefile
+ test -d $(dir $@) || mkdir $(dir $@)
+ sed "s#@@LANG@@#$(subst /,,$(dir $@))#" $< > $@
+
+docbook/subdirs manpages/subdirs clean/subdirs veryclean/subdirs:
+ for dir in en $(dir $(DOCDIRLIST)); do \
+ $(MAKE) -C $$dir $(patsubst %/subdirs,%,$@); \
+ done
+
+clean/examples:
+ rm -f examples/sources.list
+ rm -f apt-vendor.ent
+
+stats:
+ for i in po/*.po; do echo -n "$$i: "; msgfmt --output-file=/dev/null --statistics $$i; done
+
+ifdef PO4A
+MANPAGEPOLIST = $(addprefix manpages-translation-,$(DOCUMENTATIONPO))
+DOCBOOKPOLIST = $(addprefix docbook-translation-,$(DOCUMENTATIONPO))
+
+.PHONY: update-po po4a $(MANPAGEPOLIST) $(DOCBOOKPOLIST) $(DOCDIRLIST)
+
+po4a: manpages/subdirs docbook/subdirs
+
+update-po:
+ po4a --previous --no-backups --force --no-translations \
+ --package-name='$(PACKAGE)-doc' --package-version='$(PACKAGE_VERSION)' \
+ --msgid-bugs-address='$(PACKAGE_MAIL)' po4a.conf
+
+manpages/subdirs: $(MANPAGEPOLIST)
+$(MANPAGEPOLIST) :: manpages-translation-% : %/makefile po4a.conf
+ po4a --previous --no-backups --translate-only $(dir $<)apt.ent \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.1.xml,%.$(subst /,,$(dir $<)).1.xml,$(wildcard *.1.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.2.xml,%.$(subst /,,$(dir $<)).2.xml,$(wildcard *.2.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.3.xml,%.$(subst /,,$(dir $<)).3.xml,$(wildcard *.3.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.4.xml,%.$(subst /,,$(dir $<)).4.xml,$(wildcard *.4.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.5.xml,%.$(subst /,,$(dir $<)).5.xml,$(wildcard *.5.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.6.xml,%.$(subst /,,$(dir $<)).6.xml,$(wildcard *.6.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.7.xml,%.$(subst /,,$(dir $<)).7.xml,$(wildcard *.7.xml))) \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.8.xml,%.$(subst /,,$(dir $<)).8.xml,$(wildcard *.8.xml))) \
+ --package-name='$(PACKAGE)-doc' --package-version='$(PACKAGE_VERSION)' \
+ --msgid-bugs-address='$(PACKAGE_MAIL)' po4a.conf
+
+docbook/subdirs: $(DOCBOOKPOLIST)
+$(DOCBOOKPOLIST) :: docbook-translation-% : %/makefile po4a.conf
+ po4a --previous --no-backups --translate-only $(dir $<)apt.ent \
+ $(patsubst %,--translate-only $(dir $<)%,$(patsubst %.dbk,%.$(subst /,,$(dir $<)).dbk,$(wildcard *.dbk))) \
+ --package-name='$(PACKAGE)-doc' --package-version='$(PACKAGE_VERSION)' \
+ --msgid-bugs-address='$(PACKAGE_MAIL)' po4a.conf
+endif