po/Makefile



# 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)
    @if perl -e '($$ver)=`xgettext -V | head -n 1`=~/.*\s+([0-9]+\.[0-9]+)/; die "gettext $$ver too old, not updating the pot file\n" if $$ver < 0.16'; then \
        echo "Rebuilding the pot file"; \
        xgettext $(POTFILES) -o ikiwiki.pot -Lperl --add-comments=translators; \
    fi

clean:
    rm -f $(MOFILES) messages messages.mo

%.mo: %.po
    msgfmt -o $@ $<

%.po: ikiwiki.pot
    @echo -n "Merging ikiwiki.pot and $@"
    @msgmerge $@ ikiwiki.pot -o $@.new 2>&1
# Typically all that changes was a date or line number. I'd prefer not to
# commit such changes, so detect and ignore them.
    @if [ "`diff $@ $@.new | grep '[<>]' | grep -v '[<>] #:' | wc -l`" -ne 2 ]; then \
        mv -f $@.new $@; \
    else \
        rm -f $@.new; \
    fi
    @msgfmt --statistics $@ 2>&1

check:
    @for file in $(POFILES); do \
        lang=`echo $$file | sed 's/\.po//'`; \
        printf "$$lang: "; \
        msgfmt -o /dev/null -c -v --statistics $$lang.po;\
    done