#
# Rules.make for WML
#

DEPEND  = $(PAGES:%.webml=.%.d)
HTML_DE = $(PAGES:%.webml=%.de.html)
HTML_EN = $(PAGES:%.webml=%.en.html)
HTML_NA = $(PAGES:%.webml=%.html)



all: html tidy

clean:
	rm -f $(HTML_DE) $(HTML_EN) $(HTML_NA) $(DEPEND)
	-@subdirs='$(SUBDIRS)';\
	for i in $$subdirs; do\
		$(MAKE) --no-print-directory -C $$i clean;\
	done

tidy: $(HTML_DE) $(HTML_EN)
	-@files='$(HTML_DE) $(HTML_EN)';\
	for i in $$files; do\
		grep -sq "HTML Tidy" $$i || (\
	    	echo "Tidying file: $(shell pwd)/$$i";\
	    	tidy -m -q -i -wrap 80 -asxhtml --doctype strict $$i;\
		)\
	done
	-@subdirs='$(SUBDIRS)';\
	for i in $$subdirs; do\
	    $(MAKE) --no-print-directory -C $$i tidy;\
	done

html: $(HTML_DE) $(HTML_EN) $(HTML_NA) $(DEPEND)
	-@subdirs='$(SUBDIRS)';\
	for i in $$subdirs; do\
		$(MAKE) -C $$i html;\
	done

.SUFFIXES:
.PHONY: all clean tidy html
	

# It's faster to output both language with one wml invocation:
# We rely on the fact that this rules executes for %.de.html files first.
# Since we are also updating the %.en.html file in this execution, it never
# gets executed for the en version)

%.de.html %.en.html %.html: %.webml
	wml -o\(ALL-LANG_*\)+LANG_DE:$@ -o\(ALL-LANG_*\)+LANG_EN:$(subst .de.html,.en.html,$@) $<
	@ln -sf $(subst .de.html,.en.html,$@) $(subst .de.html,.html,$@)
	@-chmod g+w $@

.%.d: %.webml
	wml -o$*.de.html -M $< -I/usr/share/wml/include > .$*.d
	wml -o$*.en.html -M $< -I/usr/share/wml/include >> .$*.d
	@-chmod g+w .$*.d

ifneq ($(strip $(DEPEND)),)
ifneq ($(MAKECMDGOALS),clean) # don't create .d files only to delete them again
ifneq ($(MAKECMDGOALS),distclean)
-include $(DEPEND)
endif
endif
endif