### @configure_input@

# Copyright (C) 1994, 1996-2021 Free Software Foundation, Inc.

# This file is part of GNU Emacs.

# GNU Emacs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

SHELL = @SHELL@

# Where to find the source code.  $(srcdir) will be the doc/misc subdirectory
# of the source tree.  This is set by configure's '--srcdir' option.
srcdir=@srcdir@
top_srcdir = @top_srcdir@
top_builddir = @top_builddir@

## Where the output files go.
## Note that all the Info targets build the Info files in srcdir.
## There is no provision for Info files to exist in the build directory.
## In a tarfile of Emacs, the Info files should be up to date.
buildinfodir = $(srcdir)/../../info

## Directory with docstyle.texi and emacsver.texi.
emacsdir = $(srcdir)/../emacs

prefix = @prefix@
datarootdir = @datarootdir@
datadir = @datadir@
PACKAGE_TARNAME = @PACKAGE_TARNAME@
docdir = @docdir@
dvidir = @dvidir@
htmldir = @htmldir@
pdfdir = @pdfdir@
psdir = @psdir@

MKDIR_P = @MKDIR_P@

GZIP_PROG = @GZIP_PROG@

HTML_OPTS = --no-split --html

# Options used only when making info output.
# (Note that idlwave, info used --nosplit even without the .info extension.)
INFO_OPTS= --no-split

INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@

# The makeinfo program is part of the Texinfo distribution.
# Use --force so that it generates output even if there are errors.
# (TODO?  Why is this appropriate?)
MAKEINFO = @MAKEINFO@
MAKEINFO_OPTS = --force -I$(emacsdir)

## On MS Windows, efaq-w32; otherwise blank.
DOCMISC_W32 = @DOCMISC_W32@

## Info files to build and install on all platforms.
INFO_COMMON = auth autotype bovine calc ccmode cl \
	dbus dired-x ebrowse ede ediff edt eieio \
	emacs-mime epa erc ert eshell eudc efaq eww \
	flymake forms gnus emacs-gnutls htmlfontify idlwave ido info.info \
	mairix-el message mh-e modus-themes newsticker nxml-mode octave-mode \
	org pcl-cvs pgg rcirc remember reftex sasl \
	sc semantic ses sieve smtpmail speedbar srecode todo-mode tramp \
	url vhdl-mode vip viper widget wisent woman

## Info files to install on current platform.
INFO_INSTALL = $(INFO_COMMON) $(DOCMISC_W32)

## Info files to build on current platform.
## This is all of them, even though they might not all get installed,
## because the info files are pre-built in release tarfiles.
INFO_TARGETS = $(INFO_COMMON) efaq-w32

## Some manuals have their source in .org format.
## This is discouraged because the .texi files it generates
## are not as well formatted as handwritten ones.
ORG_SETUP = $(wildcard ${srcdir}/*-setup.org)
ORG_SRC = $(filter-out ${ORG_SETUP},$(wildcard ${srcdir}/*.org))
TEXI_FROM_ORG = ${ORG_SRC:.org=.texi}

# There are some naming differences between the info targets and the other
# targets, so let's resolve them here.
TARGETS_1 = $(INFO_INSTALL:ccmode=cc-mode)
TARGETS = $(TARGETS_1:info.info=info)

texi_sources = $(addsuffix .texi,${TARGETS})
texi_notgen = $(filter-out $(notdir ${TEXI_FROM_ORG}),${texi_sources})
texi_and_org = $(notdir ${ORG_SRC}) ${texi_notgen}
SOURCES = $(sort ${texi_and_org})

DVI_TARGETS  = $(TARGETS:=.dvi)
HTML_TARGETS = $(TARGETS:=.html)
PDF_TARGETS  = $(TARGETS:=.pdf)
PS_TARGETS   = $(TARGETS:=.ps)

TEXI2DVI = texi2dvi
TEXI2PDF = texi2pdf
DVIPS = dvips

-include ${top_builddir}/src/verbose.mk

ENVADD = $(AM_V_GEN)TEXINPUTS="$(srcdir):$(emacsdir):$(TEXINPUTS)" \
         MAKEINFO="$(MAKEINFO) $(MAKEINFO_OPTS)"

gfdl = ${srcdir}/doclicense.texi
style = ${emacsdir}/docstyle.texi

.PHONY: info dvi html pdf ps echo-info echo-sources $(INFO_TARGETS)
## Prevent implicit rule triggering for foo.info.
.SUFFIXES:

## Disable implicit rules.
%.texi: ;

# Default.
info: $(INFO_TARGETS)

## Used by top-level Makefile.
## Base file names of output info files.
INFO_BASES = $(patsubst %.info,%,$(notdir $(INFO_INSTALL)))
echo-info:
	@: $(info $(addsuffix .info,$(INFO_BASES)))

echo-sources:
	@: $(info $(SOURCES))

dvi: $(DVI_TARGETS)

html: $(HTML_TARGETS)

pdf: $(PDF_TARGETS)

ps: $(PS_TARGETS)

${buildinfodir}:
	${MKDIR_P} $@

### The general case.

EXTRA_OPTS =

${buildinfodir}/%.info: ${srcdir}/%.texi ${gfdl} ${style} | ${buildinfodir}
	$(AM_V_GEN)$(MAKEINFO) $(MAKEINFO_OPTS) $(INFO_OPTS) $(EXTRA_OPTS) \
	  -o $@ $<

## The short aliases, eg efaq = $(buildinfodir)/efaq.info.
define info_template
 $(1): $$(buildinfodir)/$(1).info
endef

## "info" is already taken.
info.info: $(buildinfodir)/info.info

$(foreach ifile,$(filter-out info.info,$(INFO_TARGETS)),$(eval $(call info_template,$(ifile))))


%.dvi: ${srcdir}/%.texi ${gfdl} ${style}
	$(ENVADD) $(TEXI2DVI) $<

%.pdf: ${srcdir}/%.texi ${gfdl} ${style}
	$(ENVADD) $(TEXI2PDF) $<

%.html: ${srcdir}/%.texi ${gfdl} ${style}
	$(AM_V_GEN)$(MAKEINFO) $(MAKEINFO_OPTS) $(HTML_OPTS) $(EXTRA_OPTS) \
	  -o $@ $<

%.ps: %.dvi
	$(DVIPS) -o $@ $<


### The exceptions.

## Extra dependencies.

## FIXME Updating this list manually is unreliable.
need_emacsver = calc cl dired-x efaq efaq-w32 erc forms ido newsticker reftex remember woman
need_emacsver_prefix = $(addprefix ${buildinfodir}/,${need_emacsver})

$(need_emacsver_prefix:=.info) $(need_emacsver:=.dvi) $(need_emacsver:=.pdf) $(need_emacsver:=.html) : ${emacsdir}/emacsver.texi

$(buildinfodir)/gnus.info gnus.html: ${srcdir}/gnus-faq.texi

$(buildinfodir)/semantic.info semantic.dvi semantic.pdf semantic.html: ${srcdir}/sem-user.texi


## Please can we just rename cc-mode.texi to ccmode.texi...
${buildinfodir}/ccmode.info: \
  ${srcdir}/cc-mode.texi ${gfdl} ${style} | ${buildinfodir}
	$(AM_V_GEN)$(MAKEINFO) $(MAKEINFO_OPTS) $(INFO_OPTS) -o $@ $<

## efaq, efaq_w32 do not depend on gfdl.
## Maybe we can use .SECONDEXPANSION for this.
${buildinfodir}/efaq%.info: ${srcdir}/efaq%.texi ${style} | ${buildinfodir}
	$(AM_V_GEN)$(MAKEINFO) $(MAKEINFO_OPTS) $(INFO_OPTS) -o $@ $<

efaq%.dvi: ${srcdir}/efaq%.texi
	$(ENVADD) $(TEXI2DVI) $<

efaq%.pdf: ${srcdir}/efaq%.texi
	$(ENVADD) $(TEXI2PDF) $<

efaq%.html: ${srcdir}/efaq%.texi
	$(AM_V_GEN)$(MAKEINFO) $(MAKEINFO_OPTS) $(HTML_OPTS) -o $@ $<

${buildinfodir}/emacs-mime.info emacs-mime.html: EXTRA_OPTS = --enable-encoding

gnus_deps = ${srcdir}/gnus.texi ${srcdir}/gnus-faq.texi ${gfdl} ${style}
gnus.dvi: $(gnus_deps)
	sed -e '/@iflatex/,/@end iflatex/d' $< > gnustmpdvi.texi
	$(ENVADD) $(TEXI2DVI) gnustmpdvi.texi
	cp gnustmpdvi.dvi $@
	rm gnustmpdvi.*

gnus.pdf: $(gnus_deps)
	sed -e '/@iflatex/,/@end iflatex/d' $< > gnustmppdf.texi
	$(ENVADD) $(TEXI2PDF) gnustmppdf.texi
	cp gnustmppdf.pdf $@
	rm gnustmppdf.*

${buildinfodir}/tramp.info tramp.html: ${srcdir}/trampver.texi


abs_top_builddir = @abs_top_builddir@
EMACS = ${abs_top_builddir}/src/emacs
emacs = "${EMACS}" -batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)'

# Generated .texi files go in srcdir so they can be included in the
# release tarfile along with the others.
# Work in srcdir (and use abs_top_builddir) so that +setupfile and
# things like org-setup's "version" macro work.  Sigh.
define org_template
 $(1:.org=.texi): $(1) ${top_srcdir}/lisp/org/ox-texinfo.el
	$${AM_V_GEN}cd "$${srcdir}" && $${emacs} -l ox-texinfo \
	  -f org-texinfo-export-to-texinfo-batch $$(notdir $$<) $$(notdir $$@)
endef

$(foreach orgfile,${ORG_SRC},$(eval $(call org_template,$(orgfile))))

## foo.org depends on foo-setup.org, if the latter exists.
define org_setup_template
  $(1:-setup.org=.texi): $(1)
endef

$(foreach orgfile,${ORG_SETUP},$(eval $(call org_setup_template,$(orgfile))))


.PHONY: mostlyclean clean distclean bootstrap-clean maintainer-clean

mostlyclean:
	rm -f ./*.aux ./*.log ./*.toc ./*.c[mp] ./*.c[mp]s ./*.fn ./*.fns \
	  ./*.ky ./*.kys ./*.op ./*.ops ./*.p[gj] ./*.p[gj]s ./*.sc ./*.scs ./*.ss \
	  ./*.t[gp] ./*.t[gp]s ./*.vr ./*.vrs
	rm -f gnustmp*

clean: mostlyclean
	rm -f ./*.dvi ./*.html ./*.pdf ./*.ps

distclean: clean
	rm -f Makefile

## buildinfodir is relative to srcdir.
infoclean:
	for file in $(INFO_TARGETS); do \
	  file=`echo $${file} | sed 's/\.info$$//'`.info; \
	  rm -f \
	    $(buildinfodir)/$${file} \
	    $(buildinfodir)/$${file}-[1-9] \
	    $(buildinfodir)/$${file}-[1-9][0-9]; \
	done

.PHONY: orgclean

orgclean:
	rm -f ${TEXI_FROM_ORG}

bootstrap-clean maintainer-clean: distclean infoclean orgclean
	rm -f TAGS

.PHONY: install-dvi install-html install-pdf install-ps install-doc

install-dvi: dvi
	umask 022; $(MKDIR_P) "$(DESTDIR)$(dvidir)"
	$(INSTALL_DATA) $(DVI_TARGETS) "$(DESTDIR)$(dvidir)"
install-html: html
	umask 022; $(MKDIR_P) "$(DESTDIR)$(htmldir)"
	$(INSTALL_DATA) $(HTML_TARGETS) "$(DESTDIR)$(htmldir)"
install-pdf: pdf
	 umask 022;$(MKDIR_P) "$(DESTDIR)$(pdfdir)"
	$(INSTALL_DATA) $(PDF_TARGETS) "$(DESTDIR)$(pdfdir)"
install-ps: ps
	umask 022; $(MKDIR_P) "$(DESTDIR)$(psdir)"
	for file in $(PS_TARGETS); do \
	  $(INSTALL_DATA) $${file} "$(DESTDIR)$(psdir)"; \
	  [ -n "${GZIP_PROG}" ] || continue; \
	  rm -f "$(DESTDIR)$(psdir)/$${file}.gz"; \
	  ${GZIP_PROG} -9n "$(DESTDIR)$(psdir)/$${file}"; \
	done

## Top-level Makefile installs the Info manuals.
install-doc: install-dvi install-html install-pdf install-ps



.PHONY: uninstall-dvi uninstall-html uninstall-pdf uninstall-ps uninstall-doc

uninstall-dvi:
	for file in $(DVI_TARGETS); do \
	  rm -f "$(DESTDIR)$(dvidir)/$${file}"; \
	done
uninstall-html:
	for file in $(HTML_TARGETS); do \
	  rm -f "$(DESTDIR)$(htmldir)/$${file}"; \
	done
uninstall-ps:
	ext= ; [ -n "${GZIP_PROG}" ] && ext=.gz; \
	for file in $(PS_TARGETS); do \
	  rm -f "$(DESTDIR)$(psdir)/$${file}$${ext}"; \
	done
uninstall-pdf:
	for file in $(PDF_TARGETS); do \
	  rm -f "$(DESTDIR)$(pdfdir)/$${file}"; \
	done

uninstall-doc: uninstall-dvi uninstall-html uninstall-pdf uninstall-ps


ETAGS = ../../lib-src/etags${EXEEXT}

${ETAGS}: FORCE
	$(MAKE) -C $(dir $@) $(notdir $@)

texifiles = $(wildcard ${srcdir}/*.texi)

TAGS: ${ETAGS} $(texifiles)
	$(AM_V_GEN)${ETAGS} $(texifiles)

tags: TAGS
.PHONY: tags

FORCE:
.PHONY: FORCE

### Makefile ends here