# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
#      Written by Werner Lemberg <wl@gnu.org>
# 
# This file is part of groff.
# 
# groff 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.
# 
# groff 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 groff; see the file COPYING.  If not, write to the Free Software
# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


# Use this file to produce documentation in various formats; e.g. you can
# say
#
#   make groff.pdf
#
# to get the groff texinfo manual as a PDF file.
#
# Note that you have to compile the groff package first.


srcdir=@srcdir@
top_srcdir=@abs_top_srcdir@
VPATH=@srcdir@
top_builddir=@abs_top_builddir@
pnmtops=@pnmtops_nosetpage@

# These may be overridden if cross-compiling.
TROFFBIN=$(top_builddir)/src/roff/troff/troff
GROFFBIN=$(top_builddir)/src/roff/groff/groff
GROFF_BIN_PATH=`echo $(groff_bin_dirs) | sed -e 's|  *|:|g'`

# Since info files are distributed within the groff package, no
# autoconf test for the makeinfo binary is done.
MAKEINFO=makeinfo

# Users who want to print out the groff manual are expected to have
# a working TeX installation.
TEXI2DVI=texi2dvi

groff_bin_dirs=\
  $(top_builddir)/src/roff/groff \
  $(top_builddir)/src/roff/troff \
  $(top_builddir)/src/preproc/pic \
  $(top_builddir)/src/preproc/eqn \
  $(top_builddir)/src/preproc/tbl \
  $(top_builddir)/src/preproc/grn \
  $(top_builddir)/src/preproc/refer \
  $(top_builddir)/src/preproc/soelim \
  $(top_builddir)/src/preproc/html \
  $(top_builddir)/src/devices/grops \
  $(top_builddir)/src/devices/grodvi \
  $(top_builddir)/src/devices/grotty \
  $(top_builddir)/src/devices/grolj4 \
  $(top_builddir)/src/devices/grolbp \
  $(top_builddir)/src/devices/grohtml

version=`cat $(top_srcdir)/VERSION`
# No additional number if revision is zero.
revision=`sed -e 's/^0$$//' -e 's/^[1-9].*$$/.&/' $(top_srcdir)/REVISION`

FFLAG=-F$(top_builddir)/font -F$(top_srcdir)/font
TFLAG=-M$(top_builddir)/tmac -M$(top_srcdir)/tmac

TROFF=$(TROFFBIN) $(TFLAG) $(FFLAG) -ww
GROFF=GROFF_COMMAND_PREFIX=''; \
      export GROFF_COMMAND_PREFIX; \
      GROFF_BIN_PATH=$(GROFF_BIN_PATH); \
      export GROFF_BIN_PATH; \
      sed -e "s;@VERSION@;$(version)$(revision);" $< \
      | $(GROFFBIN) $(TFLAG) $(FFLAG) -Upet -ww

imagedir=img

.SUFFIXES: .me .ms .ps .html .txt .texinfo .dvi .pdf

# For simplicity, we always call grn and eqn.
.me.txt:
	$(GROFF) -Tascii -ge -me >$@
.me.ps:
	$(GROFF) -Tps -ge -me >$@

.ms.html:
	$(GROFF) -P-p -P-b -P-I`basename $< | sed -e 's|.ms$$||'` \
		 -P-D$(imagedir) -Thtml -ms >$@
.ms.txt:
	$(GROFF) -Tascii -ms -mwww >$@
.ms.ps:
	$(GROFF) -Tps -ms -mwww >$@

.texinfo.dvi:
	$(TEXI2DVI) -e $<
.texinfo.pdf:
	$(TEXI2DVI) -e --pdf $<
.texinfo.html:
	$(MAKEINFO) -I$(srcdir) --html --no-split $<


all: prepare_examples

prepare_examples: grnexmpl.g
	test -f grnexmpl.g || cp $(srcdir)/grnexmpl.g .

groff: groff.texinfo
	$(MAKEINFO) -I$(srcdir) $(srcdir)/groff.texinfo

gnu.eps: gnu.xpm
	xpmtoppm $(srcdir)/gnu.xpm | pnmdepth 15 | $(pnmtops) -noturn >$@
gnu.png: gnu.xpm
	xpmtoppm $(srcdir)/gnu.xpm | pnmdepth 15 | pnmtopng >$@

pic.html: pic.ms
	$(GROFF) -P-p -P-b -P-I`basename $< | sed -e 's|.ms$$||'` \
                 -P-D$(imagedir) -P-j`basename $< | sed -e 's|.ms$$||'` \
                 -Thtml -ms >$@

webpage.html: webpage.ms gnu.png gnu.eps
webpage.ps: gnu.eps

grnexmpl.ps: grnexmpl.me grnexmpl.g


clean:
	-rm -f *.ps *.html *.txt *.png *.eps *.gif *.dit core
	-rm -f *.aux *.dvi *.pdf *.log *.toc texput.log
	-rm -f *.cp *.cps *.cv *.cn *.es *.ess *.fn *.fns *.ky *.kys \
               *.ma *.mas *.op *.ops *.pg *.pgs *.rq *.rqs *.st *.sts \
               *.tp *.tps *.tr *.vr *.vrs
	-rm -rf img

distclean: clean

realclean: distclean

extraclean: clean
	-rm -f core *~ \#* junk temp grot