mydir=doc
BUILDTOP=$(REL)..

SPHINX_ARGS=@MAINT@-W
SPHINX_BUILD=sphinx-build $(SPHINX_ARGS)
DOXYGEN=doxygen

docsrc=$(top_srcdir)/../doc
localstatedir=@localstatedir@
runstatedir=@runstatedir@
sysconfdir=@sysconfdir@
DEFCCNAME=@DEFCCNAME@
DEFKTNAME=@DEFKTNAME@
DEFCKTNAME=@DEFCKTNAME@

RST_SOURCES= _static \
	_templates \
	conf.py \
	index.rst \
	admin \
	appdev \
	basic \
	build \
	formats \
	plugindev \
	user \
	about.rst \
	build_this.rst \
	copyright.rst \
	mitK5defaults.rst \
	mitK5features.rst \
	mitK5license.rst \
	notice.rst \
	resources.rst

PDFDIR=$(docsrc)/pdf
PDFDOCS= admin appdev basic build plugindev user
LATEXOPTS=

# Create HTML documentation in $(docsrc)/html suitable for a
# release tarball or the web site (that is, without substitutions for
# configured paths).  This can be done in an unconfigured source tree
# as:
#     make -f Makefile.in SPHINX_ARGS= htmlsrc
html: composite
	rm -rf $(docsrc)/html
	$(SPHINX_BUILD) -q rst_composite $(docsrc)/html

# Dummy target for use in an unconfigured source tree.
htmlsrc:
	$(MAKE) -f Makefile.in srcdir=. top_srcdir=.. PYTHON=python3 html clean

# Create HTML documentation in html_subst suitable for
# installation by an OS package, with substitutions for configured
# paths.
substhtml: composite paths.py
	rm -rf html_subst
	cp paths.py rst_composite
	$(SPHINX_BUILD) -t pathsubs -q rst_composite html_subst

# Create an ASCII (okay, UTF-8) version of the NOTICE file
notice.txt: $(docsrc)/conf.py $(docsrc)/notice.rst $(docsrc)/version.py
	$(SPHINX_BUILD) -b text -t notice -q $(docsrc) .

NOTICE: notice.txt
	cp notice.txt $(top_srcdir)/../NOTICE

$(PDFDIR): composite
	$(SPHINX_BUILD) -b latex -q rst_composite $(PDFDIR)
	# sphinx-build generates a gmake-specific Makefile that we don't use
	mv $(PDFDIR)/Makefile $(PDFDIR)/GMakefile

# Not pretty.  Can't use a suffix rule .tex.pdf without a Makefile in
# $(PDFDIR) because pdflatex looks for include files in the current
# working directory.  The sphinx-build Makefile is quite conservative
# and runs pdflatex five times; we can be slightly less conservative.
pdf: $(PDFDIR)
	(cd $(PDFDIR) && \
	 for i in $(PDFDOCS); do \
		texfile=`echo $${i}.tex` && \
		idxfile=`echo $${i}.idx` && \
		pdflatex $(LATEXOPTS) $$texfile && \
		pdflatex $(LATEXOPTS) $$texfile && \
		makeindex -s python.ist $$idxfile || true; \
		pdflatex $(LATEXOPTS) $$texfile && \
		pdflatex $(LATEXOPTS) $$texfile; done && \
	 rm -f *.dvi *.log *.ind *.aux *.toc *.syn *.idx *.out *.ilg *.pla \
	)

# Use doxygen to generate API documentation, translate it into RST
# format, and then create a composite of $(docsrc)'s RST and the
# generated files in rst_composite.  Used by the html and substhtml targets.
composite: Doxyfile $(docsrc)/version.py
	rm -rf doxy rst_apiref rst_composite
	$(DOXYGEN)
	(cwd=`pwd`; cd $(docsrc)/tools && \
		$(PYTHON) doxy.py -i $$cwd/doxy/xml -o $$cwd/rst_apiref)
	mkdir -p rst_composite
	do_subdirs="$(RST_SOURCES)" ; \
	for i in $$do_subdirs; do \
		cp -r $(docsrc)/$$i rst_composite; \
	done
	cp rst_apiref/*.rst rst_composite/appdev/refs/api
	cp rst_apiref/types/*.rst rst_composite/appdev/refs/types
	cp rst_apiref/macros/*.rst rst_composite/appdev/refs/macros
	cp $(docsrc)/version.py rst_composite

Doxyfile: $(srcdir)/Doxyfile.in
	sed -e 's|@SRC@|$(top_srcdir)|g' \
	    -e 's|@DOC@|$(top_srcdir)/../doc|g' $(srcdir)/Doxyfile.in > $@

paths.py:
	rm -f $@
	echo 'bindir = "``$(CLIENT_BINDIR)``"' > $@
	echo 'sbindir = "``$(SERVER_BINDIR)``"' >> $@
	echo 'libdir = "``$(KRB5_LIBDIR)``"' >> $@
	echo 'localstatedir = "``$(localstatedir)``"' >> $@
	echo 'runstatedir = "``$(runstatedir)``"' >> $@
	echo 'sysconfdir = "``$(sysconfdir)``"' >> $@
	echo 'ccache = "``$(DEFCCNAME)``"' >> $@
	echo 'keytab = "``$(DEFKTNAME)``"' >> $@
	echo 'ckeytab = "``$(DEFCKTNAME)``"' >> $@

# Dummy rule that man/Makefile can invoke
version.py: $(docsrc)/version.py

$(docsrc)/version.py: $(top_srcdir)/patchlevel.h $(srcdir)/version.py.in
	rm -f $@
	$(CC) -E -I$(top_srcdir) - < $(srcdir)/version.py.in > $@

clean:
	rm -rf doxy rst_apiref rst_composite rst_notice html_subst \
		Doxyfile paths.py $(docsrc)/version.py notice.txt \
		$(docsrc)/html/.doctrees $(docsrc)/pdf/.doctrees \
		$(docsrc)/tools/*.pyc