# Copyright (C) 2002, 2003, 2004, 2005 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, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA.

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

# info files are distributed with the groff package, so makeinfo is
# usually not needed (however, to build from CVS you NEED it!)
# FIXME: Add autoconf test to check whether makeinfo exists.
MAKEINFO=makeinfo

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/grohtml

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

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

DOCFILES=\
  meref.me \
  meintro.me \
  pic.ms

PROCESSEDDOCFILES=\
  meref.ps \
  meintro.ps \
  pic.ps

HTMLDOCFILES=\
  pic.html

HTMLDOCFILESALL=\
  pic*.html

HTMLDOCIMAGEFILES=\
  pic*

EXAMPLEFILES=\
  webpage.ms \
  groff.css \
  grnexmpl.g \
  grnexmpl.me

PROCESSEDEXAMPLEFILES=\
  webpage.ps \
  grnexmpl.ps

HTMLEXAMPLEFILES=\
  webpage.html

HTMLEXAMPLEIMAGEFILES=\
  webpage*

imagedir=img
htmldocimagedir=$(htmldocdir)/$(imagedir)
exampleimagedir=$(exampledir)/$(imagedir)

CLEANADD=\
  $(PROCESSEDDOCFILES) \
  $(PROCESSEDEXAMPLEFILES) \
  $(HTMLEXAMPLEFILES) \
  $(HTMLDOCFILESALL) \
  groff.aux groff.cp* groff.dvi groff.es* groff.fn* groff.html groff.ky* \
  groff.log groff.ma* groff.op* groff.pdf groff.pg* groff.ps groff.rq* \
  groff.st* groff.toc groff.tp groff.vr* \
  examples.stamp

CLEANDIRADD=\
  $(imagedir)

CLEANNOTSRCDIRADD=\
  groff.css \
  grnexmpl.g \
  groff \
  groff-* \
  gnu.eps \
  gnu.png

.SUFFIXES: .me .ms .ps .html

# For simplicity, we always call grn and eqn.
.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.ps:
	$(GROFF) -Tps -ms -mwww >$@


all: groff $(PROCESSEDDOCFILES) prepare_examples \
     $(PROCESSEDEXAMPLEFILES) $(make_html)

html: $(HTMLDOCFILES) $(HTMLEXAMPLEFILES)

prepare_examples: examples.stamp

examples.stamp: grnexmpl.g groff.css gnu.eps
	test -f grnexmpl.g || cp $(srcdir)/grnexmpl.g .
	test -f groff.css || cp $(srcdir)/groff.css .
	if test ! -f gnu.eps; then \
	  if test -f $(srcdir)/gnu.eps; then \
	    cp $(srcdir)/gnu.eps .; \
	  elif test -f $(top_builddir)/contrib/pdfmark/gnu.eps; then \
	    cp $(top_builddir)/contrib/pdfmark/gnu.eps .; \
	  fi; \
	fi
	echo timestamp > $@

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

gnu.eps: gnu.xpm
	xpmtoppm $(srcdir)/gnu.xpm | pnmdepth 15 | \
          $(pnmtops_nosetpage) -noturn -rle >$@

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 groff.css
webpage.ps: gnu.eps

grnexmpl.ps: grnexmpl.me grnexmpl.g

distfiles: groff gnu.eps gnu.png

install_data: groff $(DOCFILES) $(PROCESSEDDOCFILES) $(make_install_html) \
              $(EXAMPLEFILES) $(PROCESSEDEXAMPLEFILES)
	-test -d $(infodir) || $(mkinstalldirs) $(infodir)
# Prefer info files in builddir over srcdir; we test for
# the existence of `groff'.
	d=.; \
	  test -f "groff" || d=$(srcdir); \
	  for f in $$d/groff `ls $$d/groff-*`; do \
	    rm -f $(infodir)/`basename $$f`; \
	    $(INSTALL_DATA) $$f $(infodir)/`basename $$f`; \
	  done
	$(INSTALL_INFO) --info-dir=$(infodir) $(infodir)/groff
	-test -d $(docdir) || $(mkinstalldirs) $(docdir)
	for f in $(DOCFILES); do \
	  rm -f $(docdir)/$$f; \
	  $(INSTALL_DATA) $(srcdir)/$$f $(docdir)/$$f; \
	done
	for f in $(PROCESSEDDOCFILES); do \
	  rm -f $(docdir)/$$f; \
	  $(INSTALL_DATA) $$f $(docdir)/$$f; \
	done
	-test -d $(exampledir) || $(mkinstalldirs) $(exampledir)
	for f in $(EXAMPLEFILES); do \
	  rm -f $(exampledir)/$$f; \
	  $(INSTALL_DATA) $(srcdir)/$$f $(exampledir)/$$f; \
	done
	for f in $(PROCESSEDEXAMPLEFILES); do \
	  rm -f $(exampledir)/$$f; \
	  $(INSTALL_DATA) $$f $(exampledir)/$$f; \
	done

install_html: $(HTMLDOCFILES) $(HTMLEXAMPLEFILES)
	-test -d $(htmldocdir) || $(mkinstalldirs) $(htmldocdir)
	for f in `ls $(HTMLDOCFILESALL)`; do \
	  rm -f $(htmldocdir)/$$f; \
	  $(INSTALL_DATA) $$f $(htmldocdir)/$$f; \
	done
	-test -d $(htmldocimagedir) || $(mkinstalldirs) $(htmldocimagedir)
	rm -f $(htmldocimagedir)/$(HTMLDOCIMAGEFILES)
	$(INSTALL_DATA) $(imagedir)/$(HTMLDOCIMAGEFILES) $(htmldocimagedir)
	-test -d $(exampledir) || $(mkinstalldirs) $(exampledir)
	for f in $(HTMLEXAMPLEFILES); do \
	  rm -f $(exampledir)/$$f; \
	  $(INSTALL_DATA) $$f $(exampledir)/$$f; \
	done
	-test -d $(exampleimagedir) || $(mkinstalldirs) $(exampleimagedir)
	rm -f $(exampleimagedir)/$(HTMLEXAMPLEIMAGEFILES)
	$(INSTALL_DATA) $(imagedir)/$(HTMLEXAMPLEIMAGEFILES) $(exampleimagedir)

uninstall_sub:
	-for f in groff `ls groff-*`; do \
	  rm -f $(infodir)/$$f; \
	done
	$(INSTALL_INFO) --remove --info-dir=$(infodir) $(infodir)/groff
	-for f in $(DOCFILES) $(PROCESSEDDOCFILES); do \
	  rm -f $(docdir)/$$f; \
	done
	-for f in `ls $(HTMLDOCFILESALL)`; do \
	  rm -f $(htmldocdir)/$$f; \
	done
	-rm -f $(htmldocimagedir)/$(HTMLDOCIMAGEFILES)
	-rmdir $(htmldocimagedir)
	-for f in $(EXAMPLEFILES) $(PROCESSEDEXAMPLEFILES) $(HTMLEXAMPLEFILES); do \
	  rm -f $(exampledir)/$$f; \
	done
	-rm -f $(exampleimagedir)/$(HTMLEXAMPLEIMAGEFILES)
	-rmdir $(exampleimagedir)