dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-6.5.19.ebuild


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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-6.5.19.ebuild,v 1.3 2015/01/26 07:10:26 jlec Exp $

EAPI=5

inherit check-reqs cuda unpacker versionator

MYD=$(get_version_component_range 1)_$(get_version_component_range 2)

DESCRIPTION="NVIDIA CUDA Toolkit (compiler and friends)"
HOMEPAGE="http://developer.nvidia.com/cuda"
CURI="http://developer.download.nvidia.com/compute/cuda/${MYD}/rel/installers"
SRC_URI="
	amd64? ( ${CURI}/cuda_${PV}_linux_64.run )
	x86? ( ${CURI}/cuda_${PV}_linux_32.run )"

SLOT="0/${PV}"
LICENSE="NVIDIA-CUDA"
KEYWORDS="-* ~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="debugger doc eclipse profiler"

DEPEND=""
RDEPEND="${DEPEND}
	<sys-devel/gcc-4.9[cxx]
	>=x11-drivers/nvidia-drivers-343.22[uvm]
	debugger? (
		sys-libs/libtermcap-compat
		sys-libs/ncurses[tinfo]
		)
	eclipse? ( >=virtual/jre-1.6 )
	profiler? ( >=virtual/jre-1.6 )
	x86? ( <x11-drivers/nvidia-drivers-346.35[uvm] )
	"

S="${WORKDIR}"

QA_PREBUILT="opt/cuda/*"

CHECKREQS_DISK_BUILD="1500M"

pkg_setup() {
	# We don't like to run cuda_pkg_setup as it depends on us
	check-reqs_pkg_setup

	if use x86; then
		ewarn "Starting with version 6.5 NVIDIA dropped more and more"
		ewarn "the support for 32bit linux."
		ewarn "Be aware that bugfixes and new features may not be available."
		ewarn "http://dev.gentoo.org/~jlec/distfiles/CUDA_Toolkit_Release_Notes.pdf"
	fi
}

src_unpack() {
	unpacker
	unpacker run_files/cuda-linux*.run
}

src_prepare() {
	local cuda_supported_gcc

	cuda_supported_gcc="4.8"

	sed \
		-e "s:CUDA_SUPPORTED_GCC:${cuda_supported_gcc}:g" \
		"${FILESDIR}"/cuda-config.in > "${T}"/cuda-config || die
}

src_install() {
	local i j
	local remove="doc jre run_files install-linux.pl "
	local cudadir=/opt/cuda
	local ecudadir="${EPREFIX}"${cudadir}

	# dodoc doc/*txt
	if use doc; then
		dodoc doc/pdf/*
		dohtml -r doc/html/*
	fi

	if use amd64; then
		mv doc/man/man3/{,cuda-}deprecated.3 || die
		doman doc/man/man*/*
	fi

	use debugger || remove+=" bin/cuda-gdb extras/Debugger"
	( use profiler || use eclipse ) || remove+=" libnsight"
	use amd64 || remove+=" cuda-installer.pl"

	if use profiler; then
		# hack found in install-linux.pl
		for j in nvvp nsight; do
			cat > bin/${j} <<- EOF
				#!${EPREFIX}/bin/sh
				LD_LIBRARY_PATH=\${LD_LIBRARY_PATH}:${ecudadir}/lib:${ecudadir}/lib64 \
					UBUNTU_MENUPROXY=0 LIBOVERLAY_SCROLLBAR=0 \
					${ecudadir}/lib${j}/${j} -vm ${EPREFIX}/usr/bin/java
			EOF
			chmod a+x bin/${j}
		done
	else
		use eclipse || remove+=" libnvvp"
		remove+=" extras/CUPTI"
	fi

	for i in ${remove}; do
	ebegin "Cleaning ${i}..."
		if [[ -e ${i} ]]; then
			find ${i} -delete || die
			eend
		else
			eend $1
		fi
	done

	dodir ${cudadir}
	mv * "${ED}"${cudadir} || die

	cat > "${T}"/99cuda <<- EOF
		PATH=${ecudadir}/bin$(use profiler && echo ":${ecudadir}/libnvvp")
		ROOTPATH=${ecudadir}/bin
		LDPATH=${ecudadir}/lib$(use amd64 && echo "64:${ecudadir}/lib")
	EOF
	doenvd "${T}"/99cuda

	use profiler && \
		make_wrapper nvprof "${EPREFIX}"${cudadir}/bin/nvprof "." ${ecudadir}/lib$(use amd64 && echo "64:${ecudadir}/lib")

	dobin "${T}"/cuda-config
}

pkg_postinst_check() {
	local a b
	a="$(version_sort $(cuda-config -s))"; a=( $a )
	# greatest supported version
	b=${a[${#a[@]}-1]}

	# if gcc and if not gcc-version is at least greatesst supported
	if [[ $(tc-getCC) == *gcc* ]] && \
		! version_is_at_least $(gcc-version) ${b}; then
			echo
			ewarn "gcc >= ${b} will not work with CUDA"
			ewarn "Make sure you set an earlier version of gcc with gcc-config"
			ewarn "or append --compiler-bindir= pointing to a gcc bindir like"
			ewarn "--compiler-bindir=${EPREFIX}/usr/*pc-linux-gnu/gcc-bin/gcc${b}"
			ewarn "to the nvcc compiler flags"
			echo
	fi
}

pkg_postinst() {
	if [[ ${MERGE_TYPE} != binary ]]; then
		pkg_postinst_check
	fi
}