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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-gfx/tachyon/tachyon-0.98.9-r1.ebuild,v 1.2 2010/11/08 18:45:47 xarthisius Exp $
EAPI="2"
inherit eutils toolchain-funcs
DESCRIPTION="A portable, high performance parallel ray tracing system"
HOMEPAGE="http://jedi.ks.uiuc.edu/~johns/raytracer/"
SRC_URI="http://jedi.ks.uiuc.edu/~johns/raytracer/files/${PV}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86"
IUSE="doc examples jpeg mpi opengl png threads"
CDEPEND="jpeg? ( virtual/jpeg )
mpi? ( virtual/mpi )
opengl? ( virtual/opengl )
png? ( media-libs/libpng )"
DEPEND="${CDEPEND}
dev-util/pkgconfig"
RDEPEND="${CDEPEND}"
S="${WORKDIR}/${PN}/unix"
# TODO: Test on alpha, ia64, ppc
# TODO: MPI: Depend on lam or virtual ? Test MPI
# TODO: Check for threads dependencies
# TODO: add other architectures
# TODO: X, Motif, MBOX, Open Media Framework, Spaceball I/O, MGF ?
TACHYON_MAKE_TARGET=
pkg_setup() {
if use threads ; then
if use opengl ; then
TACHYON_MAKE_TARGET=linux-thr-ogl
if use mpi ; then
die "tachyon does not support MPI with OpenGL and threads"
fi
elif use mpi ; then
TACHYON_MAKE_TARGET=linux-mpi-thr
else
TACHYON_MAKE_TARGET=linux-thr
fi
# TODO: Support for linux-athlon-thr ?
else
if use opengl ; then
# TODO: Support target: linux-lam-64-ogl
die "OpenGL is only available with USE=threads!"
elif use mpi ; then
TACHYON_MAKE_TARGET=linux-mpi
else
TACHYON_MAKE_TARGET=linux
fi
# TODO: Support for linux-p4, linux-athlon, linux-ps2 ?
fi
if [[ -z "${TACHYON_MAKE_TARGET}" ]]; then
die "No target found, check use flags"
else
einfo "Using target: ${TACHYON_MAKE_TARGET}"
fi
}
src_prepare() {
if use jpeg ; then
sed -i \
-e "s:USEJPEG=:USEJPEG=-DUSEJPEG:g" \
-e "s:JPEGLIB=:JPEGLIB=-ljpeg:g" Make-config \
|| die "sed failed"
fi
if use png ; then
sed -i \
-e "s:USEPNG=:USEPNG=-DUSEPNG:g" \
-e "s:PNGINC=:PNGINC=$(pkg-config libpng --cflags):g" \
-e "s:PNGLIB=:PNGLIB=$(pkg-config libpng --libs):g" Make-config \
|| die "sed failed"
fi
if use mpi ; then
sed -i "s:MPIDIR=:MPIDIR=/usr:g" Make-config || die "sed failed"
sed -i "s:linux-lam:linux-mpi:g" Make-config || die "sed failed"
fi
sed -i \
-e "s:-O3::g;s:-g::g;s:-pg::g" \
-e "s:-m32:${CFLAGS}:g" \
-e "s:-m64:${CFLAGS}:g" \
-e "s:-ffast-math::g" \
-e "s:STRIP = strip:STRIP = touch:g" \
-e "s:CC = *cc:CC = $(tc-getCC):g" \
-e "s:-fomit-frame-pointer::g" Make-arch || die "sed failed"
epatch "${FILESDIR}"/${PV}-ldflags.patch
}
src_compile() {
emake ${TACHYON_MAKE_TARGET} || die "emake failed"
}
src_install() {
cd ..
dodoc Changes README || die "dodoc failed"
if use doc ; then
dohtml docs/tachyon/* || die "dohtml failed"
fi
cd compile/${TACHYON_MAKE_TARGET}
dobin tachyon || die "dobin failed"
if use examples; then
cd "${S}/../scenes"
insinto "/usr/share/${PN}/examples"
doins * || die "doins failed"
fi
}
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