X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/f1a70921e3bfc0496b5564582a5a1463b7a98c09..6b6d330bade5244b4457405cd144f5bf2f9de0ae:/po/Makefile

diff --git a/po/Makefile b/po/Makefile
index d67c3a4ff..4d1d33e83 100644
--- a/po/Makefile
+++ b/po/Makefile
@@ -5,7 +5,10 @@ POTFILES=$(sort $(shell find ../IkiWiki -type f -name \*.pm)) \
 POFILES=$(wildcard *.po)
 MOFILES=$(POFILES:.po=.mo)
 
-all: ikiwiki.pot mo ../underlays/locale
+# Translated underlays can only be generated if po4a is available.
+TRANSLATED_UNDERLAYS=$(shell if perl -e 'use Locale::Po4a::Common' 2>/dev/null; then echo ../underlays/locale; fi)
+
+all: ikiwiki.pot mo $(TRANSLATED_UNDERLAYS)
 
 mo: $(MOFILES)
 
@@ -34,23 +37,26 @@ ikiwiki.pot: $(POTFILES)
 
 clean:
 	rm -f $(MOFILES) messages messages.mo *_stamp
-	rm -rf html underlays/.ikiwiki ../underlays/locale
+	rm -rf html underlays/.ikiwiki $(TRANSLATED_UNDERLAYS)
 	find underlays -name \*.mdwn -or -name \*.pot | xargs rm -f
 
 %.mo: %.po
-	msgfmt -o $@ $<
+	@if ! msgfmt -o $@ $<; then echo "unable to run msgfmt"; fi
 
 %.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
+# Typically all that changes is 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 $@; \
+	@if ! msgmerge $@ ikiwiki.pot -o $@.new 2>&1; then \
+		echo "unable to run msgmerge"; \
 	else \
-		rm -f $@.new; \
+		if [ "`diff $@ $@.new | grep '[<>]' | grep -v '[<>] #:' | wc -l`" -ne 2 ]; then \
+			mv -f $@.new $@; \
+		else \
+			rm -f $@.new; \
+		fi; \
+		msgfmt --statistics $@ 2>&1; \
 	fi
-	@msgfmt --statistics $@ 2>&1
 
 check:
 	@for file in $(POFILES); do \
@@ -78,12 +84,12 @@ underlays: ../ikiwiki.out underlays_copy_stamp
 	../ikiwiki.out -libdir .. -setup underlay.setup -refresh
 
 ../ikiwiki.out: ../Makefile
-	make -C .. ikiwiki.out
+	$(MAKE) -C .. ikiwiki.out
 
 ../Makefile: ../Makefile.PL
 	cd .. && ./Makefile.PL
 
-../underlays/locale: po2wiki_stamp
+$(TRANSLATED_UNDERLAYS): po2wiki_stamp
 po2wiki_stamp: po2wiki underlays_copy_stamp
 	PERL5LIB=.. ./po2wiki underlay.setup
 	touch $@