# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-gfx/povray/povray-3.50c.ebuild,v 1.16 2004/03/08 17:43:53 augustus Exp $

inherit gcc eutils

DESCRIPTION="The Persistance Of Vision Ray Tracer"
SRC_URI="ftp://ftp.povray.org/pub/povray/Official/Unix/povuni_s.tgz"
HOMEPAGE="http://www.povray.org/"

SLOT="0"
LICENSE="povlegal-3.5"
KEYWORDS="x86 ppc alpha amd64"
IUSE="icc X svga"

DEPEND="media-libs/libpng
	media-libs/tiff
	media-libs/jpeg
	sys-libs/zlib
	X? ( virtual/x11 )
	icc? ( dev-lang/icc )
	svga? ( media-libs/svgalib )"

pkg_setup() {
	if [ "`use icc`" ]
	then
		einfo "using icc"
	else
	export WANT_GCC_3="yes"

	if [ "$(gcc-major-version)" -lt "3" -o "$(gcc-minor-version)" -lt "2" ]
	then
		eerror "This build needs gcc-3.2 or later"
		die "This build needs gcc-3.2 or later"
	fi
	fi
}

src_unpack() {
	unpack ${A} ; cd ${S}
	use amd64 && epatch ${FILESDIR}/${P}-amd64.patch
}

src_compile() {
	local myconf

	use X && myconf="${myconf} --with-x" \
		|| myconf="${myconf} --without-x"\
		CFLAGS="${CFLAGS} -DX_DISPLAY_MISSING"

	econf ${myconf} || die

	# fix system default povray.ini to point to install directory
	cp povray.ini povray.ini.orig
	sed -e "s:/usr/local/:/usr/:" povray.ini.orig > povray.ini

	cd src

	cp Makefile makefile.orig

	DCPU=`echo ${CPPFLAGS} | sed -e "s/.*i\(.86\).*/\\1/"`
	echo "s/^CPPFLAGS.*-DCPU=686/CPPFLAGS = -DCPU=${DCPU}/" > makefile.sed

	# Change the header file with the banner when you start povray
	cp optout.h optout.h.orig
	sed -e "s/DISTRIBUTION_MESSAGE_2.*$/DISTRIBUTION_MESSAGE_2 \"Gentoo Linux - `uname -n` - ${USER}\"/" optout.h.orig > optout.h
	cp optout.h optout.h.orig
	sed -e "s/#error You must complete the following DISTRIBUTION_MESSAGE macro//" optout.h.orig > optout.h

	# rphillips - removed because of compilation issues
	# echo "s/^CPPFLAGS =/CPPFLAGS = -ansi -c/" >> makefile.sed

	if [ "`use icc`" ]; then
		# ICC CPPFLAGS
		echo "s/g++/icc/" >> makefile.sed
		echo "s/gcc/icc/" >> makefile.sed

		# Should pull from /etc/make.conf
		# If you have a P4 add -tpp7 after the -O3
		# If you want lean/mean replace -axiMKW with -x? (see icc docs for -x)
		# Note: -ipo breaks povray
		# Note: -ip breaks povray on a P3
		# echo "s/^CPPFLAGS =/CPPFLAGS = -O3 -axiMKW /" >> makefile.sed
		# This is optimized for my Pentium 2:
		echo "s/^CPPFLAGS =/CPPFLAGS = -O3 -xM -ip /" >> makefile.sed
		# This is optimized for Pentium 3 (semi-untested, I don't own one):
		#echo "s/^CPPFLAGS =/CPPFLAGS = -O3 -xK /" >> makefile.sed
		#This is optimized for Pentium 4 (untested, I don't own one):
		#echo "s/^CPPFLAGS =/CPPFLAGS = -O3 -xW -ip -tpp7 /" >> makefile.sed

	else
		# GCC CPPFLAGS
		echo "s/^CPPFLAGS =/CPPFLAGS = -finline-functions -ffast-math /" >> makefile.sed
		echo "s/^CPPFLAGS =/CPPFLAGS = ${CFLAGS} /" >> makefile.sed

	fi

	# fix library dependency
	if [ "`use X`" ]; then
		echo 's/LIBS = \(.*\)/LIBS = \1 -ldl -lpthread/' >> makefile.sed
	else
		echo 's/LIBS = \(.*\)/LIBS = \1 -ldl/' >> makefile.sed
	fi


	# strip the x86 specific options if on non x86
	if [ ${ARCH} != "x86" ]; then
		echo "s/-minline-all-stringops//" >> makefile.sed
		echo "s/-malign-double//" >> makefile.sed
		echo "s/-mcpu=i586//" >> makefile.sed
	 	echo "s/-march=i586//" >> makefile.sed
	fi

	cp Makefile Makefile.orig
	sed -f makefile.sed Makefile.orig > Makefile

	cd ${P}

	# stl compatibility
	epatch ${FILESDIR}/gentoo-${PV}.patch

	einfo Building povray
	emake || die
}

src_install() {
	emake DESTDIR=${D} install || die
	mv ${D}/etc/povray.ini ${D}/usr/share/povray-3.5/

	dodir /etc
	dosym /usr/share/povray-3.5/povray.ini /etc/povray.ini
}

pkg_postinst() {
	einfo "Installing configuration files"
	einfo "*Warning* I/O Security disabled by default"
	einfo "          Check /etc/povray.conf to enable"

	echo -e "[File I/O Security]\nnone" > /etc/povray.conf
}