# Makefile for GNU m4 documentation.
# Copyright (C) 1994 Free Software Foundation, Inc.

# This program 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 2, or (at your option)
# any later version.

# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

PRODUCT = @PRODUCT@
VERSION = @VERSION@

SHELL = /bin/sh
srcdir = @srcdir@
VPATH = @srcdir@

INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@
MAKEINFO = makeinfo
TEXI2DVI = texi2dvi

prefix = @prefix@
infodir = $(prefix)/info

.SUFFIXES:

DISTFILES = Makefile.in m4.texinfo texinfo.tex \
stamp-vti version.texi m4.info m4.info-1 m4.info-2 m4.info-3

all: m4.info

info: m4.info

m4.info: m4.texinfo version.texi
	cd $(srcdir) && $(MAKEINFO) m4.texinfo

dvi: m4.dvi

m4.dvi: m4.texinfo version.texi
	$(TEXI2DVI) $(srcdir)/m4.texinfo

version.texi: stamp-vti
stamp-vti: m4.texinfo ../configure.in
	echo "@set EDITION $(VERSION)" > version.tmp
	echo "@set UPDATED `date '+%B %Y'`" >> version.tmp
	echo "@set VERSION $(VERSION)" >> version.tmp
	if cmp -s version.tmp $(srcdir)/version.texi; then rm version.tmp; \
	else mv version.tmp $(srcdir)/version.texi; fi
	date > $(srcdir)/stamp-vti

install: all
	$(srcdir)/../mkinstalldirs $(infodir)
	cd $(srcdir) && for file in m4.info*; do \
	  $(INSTALL_DATA) $$file $(infodir)/$$file; \
	done

uninstall:
	rm -f $(infodir)/m4.info*

mostlyclean:
	rm -f *.aux *.cp *.cps *.dvi *.fn *.fns *.ky *.log *.pg *.toc *.tp *.vr
	rm -f *.tmp

clean: mostlyclean

distclean: clean
	rm -f Makefile

realclean: distclean
	rm -f stamp-vti version.texi m4.info*

dist: $(DISTFILES)
	@echo "Copying distribution files"
	@for file in $(DISTFILES); do \
	  ln $(srcdir)/$$file ../$(PRODUCT)-$(VERSION)/doc 2> /dev/null \
	    || cp -p $(srcdir)/$$file ../$(PRODUCT)-$(VERSION)/doc; \
	done

Makefile: ../config.status Makefile.in
	cd .. && CONFIG_FILES=doc/$@ CONFIG_HEADERS= ./config.status

# Tell versions [3.59,3.63) of GNU make not to export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT: