* Initial work on internationalization of the program code. po/ikiwiki.pot

  is available for translation.
* Export gettext() from IkiWiki module.

1 files changed, 44 insertions, 0 deletions

diff --git a/po/Makefile b/po/Makefile
new file mode 100644
index 000000000..fa129de81
--- /dev/null
+++ b/po/Makefile
@@ -0,0 +1,44 @@
+# List here all source files with translatable strings.
+POTFILES=$(sort $(shell find ../IkiWiki -type f -name \*.pm)) \
+	../ikiwiki.in ../IkiWiki.pm
+
+POFILES=$(wildcard *.po)
+MOFILES=$(POFILES:.po=.mo)
+
+all: ikiwiki.pot $(MOFILES)
+
+install: all
+	for file in $(MOFILES); do \
+		lang=`echo $$file | sed 's/\.mo//'`; \
+		install -d $(DESTDIR)$(PREFIX)/share/locale/$$lang/LC_MESSAGES/; \
+		install -m 0644 $$file $(DESTDIR)$(PREFIX)/share/locale/$$lang/LC_MESSAGES/ikiwiki.mo; \
+	done
+
+ikiwiki.pot: $(POTFILES)
+	@echo "Rebuilding the pot file"
+	xgettext $(POTFILES) -o ikiwiki.pot -Lperl
+
+clean:
+	rm -f ikiwiki.pot $(MOFILES) messages messages.mo
+
+%.mo: %.po
+	msgfmt -o $@ $<
+
+%.po: ikiwiki.pot
+	@echo -n "Merging ikiwiki.pot and $@"
+	@msgmerge $@ ikiwiki.pot -o $@.new
+# Typically all that changes was a date. I'd prefer not to commit such
+# changes, so detect and ignore them.
+	@if [ "`diff $@ $@.new | grep '[<>]' | wc -l`" -ne 2 ]; then \
+		mv -f $@.new $@; \
+	else \
+		rm -f $@.new; \
+	fi
+	@msgfmt --statistics $@
+
+check:
+	@for file in $(POFILES); do \
+		lang=`echo $$file | sed 's/\.po//'`; \
+		printf "$$lang: "; \
+		msgfmt -o /dev/null -c -v --statistics $$lang.po;\
+	done