# Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002
#   Free Software Foundation, Inc.
#      Written by James Clark (jjc@jclark.com)
# 
# 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.

FFLAG=-F../font
TFLAG=-M../tmac
TROFF=../src/roff/troff/troff $(TFLAG) $(FFLAG) -ww
GROFF=../src/roff/groff/groff $(TFLAG) $(FFLAG) -U -p -e -t -ww
GROPS=../src/devices/grops/grops $(FFLAG)
DOCS=meref.ps meintro.ps pic.ps pic.html homepage.ps homepage.html
SOELIM=../src/preproc/soelim/soelim

groff_bin_dirs=\
  ../src/roff/groff \
  ../src/roff/troff \
  ../src/preproc/pic \
  ../src/preproc/eqn \
  ../src/preproc/tbl \
  ../src/preproc/grn \
  ../src/preproc/refer \
  ../src/preproc/soelim \
  ../src/preproc/html \
  ../src/devices/grops \
  ../src/devices/grodvi \
  ../src/devices/grotty \
  ../src/devices/grolj4 \
  ../src/devices/grolbp \
  ../src/devices/grohtml
groff_bin_path=`echo $(groff_bin_dirs) | sed -e 's| \+|:|g'`

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

all: $(DOCS)

.SUFFIXES: .tr .me .ms .ps .dit .html .ascii .texinfo .dvi .pdf

.dit.ps:
	$(GROPS) $< >$@

.me.dit:
	$(SOELIM) $< \
	| sed -e "s;@VERSION@;$(version)$(revision);" \
	| $(TROFF) -Tps -me >$@
.tr.dit:
	$(TROFF) -Tps $< >$@

.ms.html:
	GROFF_BIN_PATH=$(groff_bin_path); \
	export GROFF_BIN_PATH; \
	sed -e "s;@VERSION@;$(version)$(revision);" $< \
	| $(GROFF) -P-b -P-I`echo $< | sed -e 's|.ms$$||'` \
		   -P-Dimg -Thtml -ms >$@
.ms.ascii:
	GROFF_BIN_PATH=$(groff_bin_path); \
	export GROFF_BIN_PATH; \
	sed -e "s;@VERSION@;$(version)$(revision);" $< \
	| $(GROFF) -Tascii -ms -mwww >$@
.ms.ps:
	GROFF_BIN_PATH=$(groff_bin_path); \
	export GROFF_BIN_PATH; \
	sed -e "s;@VERSION@;$(version)$(revision);" $< \
	| $(GROFF) -Tps -ms -mwww >$@

.texinfo.dvi:
	texi2dvi -e $<
.texinfo.pdf:
	texi2dvi -e --pdf $<
.texinfo.html:
	makeinfo --html --no-split $<

groff: groff.texinfo
	makeinfo groff.texinfo

gnu.eps: gnu.xpm
	xpmtoppm gnu.xpm | pnmdepth 15 | pnmtops -noturn > gnu.eps
gnu.png: gnu.xpm
	xpmtoppm gnu.xpm | pnmdepth 15 | pnmtopng > gnu.png

homepage.html: homepage.ms gnu.eps
	GROFF_BIN_PATH=$(groff_bin_path); \
	export GROFF_BIN_PATH; \
	sed -e "s;@VERSION@;$(version)$(revision);" $< \
	| $(GROFF) -P-Ihome -P-r -P-b -P-Dimg -Thtml -ms >$@

homepage.ps: gnu.eps

install:

clean:
	-rm -f *.ps *.html *.ascii *.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