# $Id$
# automake source include to the begin of all Makefile.am's
# Copyright (C) 2003 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
# 
# 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; exactly version 2 of June 1991 is required
# 
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


# Set all needed variables to their empty values to prevent "variable `...' not defined"
# Any further settings should be done exclusively by += operator
EXTRA_DIST=
BUILT_SOURCES=
CLEANFILES=
MAINTAINERCLEANFILES=
noinst_DATA=

# Force delete of target file if command fails.
# Generally better behaviour but it requires GNU make. Harmless otherwise.
.DELETE_ON_ERROR:

%.ppm: %.fig Makefile
	fig2dev -L ppm -S4 -m1.75 -b10 $< | pnmgamma 0.4 >$@

%.gif: %.ppm
	ppmquant -quiet 256 $< | ppmtogif -quiet -sort >$@

# Prevent: make: Circular %.ppm <- %.gif dependency dropped.
#%.ppm: %.gif
#	giftopnm $< >$@

%.png: %.ppm
	pnmtopng $< >$@

%.ppm: %.png
	pngtopnm $< >$@

%.png: %.dia $(top_srcdir)/dia-w.sh
	$(top_srcdir)/dia-w.sh --nosplash --export $@ $<