--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit cmake-utils eutils
+
+DESCRIPTION="A set of cuda-enabled texture tools and compressors"
+HOMEPAGE="http://developer.nvidia.com/object/texture_tools.html"
+SRC_URI="https://${PN}.googlecode.com/files/${P}-1.tar.gz
+ https://dev.gentoo.org/~ssuominen/${P}-patchset-1.tar.xz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="cg cuda glew glut openexr"
+
+RDEPEND="
+ media-libs/ilmbase:=
+ media-libs/libpng:0=
+ media-libs/tiff:0
+ sys-libs/zlib
+ virtual/jpeg:0
+ virtual/opengl
+ x11-libs/libX11
+ cg? ( media-gfx/nvidia-cg-toolkit )
+ cuda? ( dev-util/nvidia-cuda-toolkit )
+ glew? ( media-libs/glew:0= )
+ glut? ( media-libs/freeglut )
+ openexr? ( media-libs/openexr:= )
+ "
+DEPEND="${RDEPEND}
+ virtual/pkgconfig"
+
+PATCHES=(
+ "${FILESDIR}/${P}-cg.patch" # fix bug #414509
+ "${FILESDIR}/${P}-gcc-4.7.patch" # fix bug #423965
+ "${FILESDIR}/${P}-openexr.patch" # fix bug #462494
+ "${FILESDIR}/${P}-clang.patch" # fix clang build
+ "${FILESDIR}/${P}-cpp14.patch" # fix bug #594938
+)
+
+S="${WORKDIR}/${PN}"
+
+pkg_setup() {
+ if use cuda; then
+ if [[ $(( $(gcc-major-version) * 10 + $(gcc-minor-version) )) -gt 44 ]] ; then
+ eerror "gcc 4.5 and up are not supported for useflag cuda!"
+ die "gcc 4.5 and up are not supported for useflag cuda!"
+ fi
+ fi
+}
+
+src_prepare() {
+ edos2unix cmake/*
+ EPATCH_SUFFIX=patch epatch "${WORKDIR}/patches"
+ cmake-utils_src_prepare
+}
+
+src_configure() {
+ local mycmakeargs=(
+ -DLIBDIR=$(get_libdir)
+ -DNVTT_SHARED=TRUE
+ -DCG=$(usex cg)
+ -DCUDA=$(usex cuda)
+ -DGLEW=$(usex glew)
+ -DGLUT=$(usex glut)
+ -DOPENEXR=$(usex openexr)
+ )
+ cmake-utils_src_configure
+}