# -*- makefile -*-

dir := info

man_texi :=  $(dir)/notmuch.texi $(dir)/notmuch-search-terms.texi
man_info := $(man_texi:.texi=.info)
man_entry := $(man_texi:.texi=.entry)

texi_sources :=  $(dir)/notmuch-emacs.texi
emacs_info := $(texi_sources:.texi=.info)

info := $(emacs_info) $(man_info)

ifeq ($(HAVE_MAKEINFO),1)
all: $(info)
endif

ifeq ($(HAVE_INSTALLINFO),1)
install: install-info
endif

%.entry: ../pod/%.pod
	printf "@dircategory Notmuch\n@direntry\n" > $@
	printf "* %s: (%s). " $(*F) $(*F) >> $@
	podselect -section Name $< | \
	  perl -n -e  's/notmuch.* - (.*)/\u\L$$1/ && print' >> $@
	printf "@end direntry\n" >> $@

%.info: %.texi %.entry
	makeinfo --no-split -o $@ $<

$(dir)/notmuch-emacs.info: $(dir)/notmuch-emacs.texi $(dir)/version.texi

%.texi: ../pod/%.pod
	# a nasty hack, but the nicer ways seem to have bugs.
	pod2texi  $< | \
	   sed 's/@node Top/@include $(*F).entry\n@node Top/' > $@

.PHONY: $(dir)/version.texi
$(dir)/version.texi: version
	printf "@set VERSION ${VERSION}\n" > $@

.PHONY: install-info
install-info: ${info}
	mkdir -p "$(DESTDIR)$(INFODIR)"
	install -m0644 $(info) "$(DESTDIR)$(INFODIR)"
	install-info --section=Notmuch --info-dir=${DESTDIR}${INFODIR} $(emacs_info)
	for ifile in $(man_info); do \
	    install-info --info-dir=${DESTDIR}${INFODIR} $${ifile}; \
	done

CLEAN := $(CLEAN) $(info) $(man_entry) $(dir)/version.texi