[gentoo-commits] repo/gentoo:master commit in: sci-chemistry/gromacs/

["Alexey Shvetsov" <alexxy@gentoo.org>]

commit:     2c54af2df959055f4201660411019cc7c63aacae
Author:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
AuthorDate: Thu Feb 10 11:12:27 2022 +0000
Commit:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
CommitDate: Thu Feb 10 11:13:57 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2c54af2d

sci-chemistry/gromacs: version bump for 2020.7

Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Alexey Shvetsov <alexxy <AT> gentoo.org>

 sci-chemistry/gromacs/Manifest              |   3 +
 sci-chemistry/gromacs/gromacs-2020.7.ebuild | 352 ++++++++++++++++++++++++++++
 2 files changed, 355 insertions(+)

diff --git a/sci-chemistry/gromacs/Manifest b/sci-chemistry/gromacs/Manifest
index d67ae5817a47..24336a3e1699 100644
--- a/sci-chemistry/gromacs/Manifest
+++ b/sci-chemistry/gromacs/Manifest
@@ -2,6 +2,7 @@ DIST gromacs-2018.8.tar.gz 29913703 BLAKE2B 8780032305928067fbfe1559efe9eedc4d47
 DIST gromacs-2019.6.tar.gz 33446147 BLAKE2B adc21fb6b841b06d499607f8c0166a673645ef5af0b40bd823d0fff5ea24397e6301c5e1e0070986ae1ce1deba8a42052b66da148b071c1e21f2fe3908fee275 SHA512 7c227a9539e5775d5d128ae9e872a24181d79cdcd2852b86453597987e8d7332ecec371da65d089f6e610c54aafbccc8824ce298743383dd6240719ebee692a8
 DIST gromacs-2020.4.tar.gz 29149899 BLAKE2B a07c8efd96137d58c1edf4ac9b5aafeb16d9e65234b9459b71471827032654acacb58ed6ae87ec6e0e593a0acd799683cc4461b06cc883b089d740708619345e SHA512 0c56f058741af70660baf0177724ec940dd984c05ea141ede91ee51ce3744f76d00e31bdb5db907e46fa1639de5dca637b3ace26e89f908c2e74c69f0c21ed3a
 DIST gromacs-2020.6.tar.gz 29196621 BLAKE2B b350fc62fd8eeb3f2b042fa74a4ed42e43a7b74efd8fddb60ec086a814048a52b8625da65fa5c4cf2cb1e22f8347562bc84d38bf34441fc5ebc6abaa38b0eea0 SHA512 4ce4d6b9ae33e9cd2a1ad3313e80acf63ded21dac897b01dbf87df2e318181796ef64c8a1d3e0a6058b972d8d88d00f710cd0277db12f38fc2c9b29772c98bea
+DIST gromacs-2020.7.tar.gz 29175554 BLAKE2B 98f1aa415946f8eb113febc81105f0c1b0919b96fc3c55a0ab83bf3950ff509b81eade92e645adb0bc2b407df239e20cf3f19828b6e08616437c8693c1fddcc8 SHA512 1d375c44cec38445e56cea252623b5b6c565680268999d4b6c14d6dc38759a27227655b2d29efaab9f9115d3677b446cb555e11cddafa0dc10c4827caaa2477b
 DIST gromacs-2021.3.tar.gz 37987972 BLAKE2B d71995c7d5a34978246e33dc637ac3d273e547afcf72d1a107026650f03286ecdf27e4b9a70113b3c3a01af59ad49ac5c813aa6e5d2e8eb29fd05582a7a28d34 SHA512 da420917d06de2e192dfbb4e1b9f46989ed05b5c7e641c657104ed8f2bd8b22509bffd1ecfd7c965c80544eafa6af12d6d0aba7e1e7d9d14a4a88fb3fbf394a5
 DIST gromacs-2021.5.tar.gz 38023772 BLAKE2B 45e1f080b86626423e471f06b48b615db1913048f9f6998da8ce45408339b32f829d33dd2af57297a7d307fcffd556c333a58c309ee0f2adb021ca3755619b05 SHA512 56c1b312fc8e52ec6f86e445d2fa2d07107c461b35d4dc8cdf95580f05fd8e6c5fd671d0e72b2b9e74e3232bc8c41db496fe4bcaf2b9a3ae3c2cfa93489a31c5
 DIST gromacs-2022-rc1.tar.gz 39674628 BLAKE2B 8943a1e8445aa286305bb786e1303973e58325c01ce86883e5a72075b8ddd57453c61c8a0087a9ec73ea2903b04596109322151d8fadda350a4eace713cd962f SHA512 d6f45e46b653237154fefce95e3799ed2fc96d6a0365d027ef0aabd03cd3c3507108985caca8907c02479f05a10ab833efd3217e7def100897fa845e0ebf029f
@@ -9,6 +10,7 @@ DIST manual-2018.8.pdf 10025023 BLAKE2B afb0a6e6a72d78df743fcb57e7c1716848589e57
 DIST manual-2019.6.pdf 12702376 BLAKE2B c350127bc06a9eb3dee73da39037c84daeb89500e23cb131bd19a150bf60602d4dde7611e0c6f0f344af4093e96a899303dac71b4df56fd0c44c3a48a56606b7 SHA512 dfdff67c2c1c9ce1f1c236b7686c5331b0fe86951da6c98eddd6a3e748815e0be0a9653ae4318469fcdd913c4e7c355d64a997cc80b9d9fbe6282ef6d98e61eb
 DIST manual-2020.4.pdf 11851608 BLAKE2B 7b7bdf08e8946fcc448543b08391b94a67fee60a8c810597c1f09f70443f9d7db817c99622dd0c21c6317f5fdcd6c4a88589ecac57055cb0cd8597d6021026e7 SHA512 928555663c77de36393e625c29d388d4e1c8c1298e7a993d871839e0d4d8d18d190221ad8f1d975bd072bdd6a061e9ea5b9295f2ecf45f24b6523ea5ea290fed
 DIST manual-2020.6.pdf 11850850 BLAKE2B 155e4eb9c200dcd0a38e3669b26077fcf310d437b82d9a593d333dada3989c2c8a936d62c642e195f98bb474b1673b8142405c467348fc96a74d57fb12106d76 SHA512 be508ebec597b82a2c4056029f8bb731b22cb8902628a45462ed21af54c554d28e07d5381efaaa96565202b7b47d33aea67950206cd9e8936211ae721b21b3e1
+DIST manual-2020.7.pdf 11850780 BLAKE2B 38594e87993badfbbcf47d6010a7f67d3c3426dab85e1462916b4d62be27b5764953f912cf2b71ee24877e0bfa27b3f74431da2da81b4977d58cb66b2cc795a3 SHA512 4f184f2c90e0bac01a48069cc546cd5b04fa5f543f90dd2d68c6d17be278152fd09456b6a6c5c8236f8fb85a174d6ec7a1c7b44d437b4e6fea5d0ada73cec0f6
 DIST manual-2021.3.pdf 12255076 BLAKE2B 6ca516b6832507c9d4100679d1f9bc9e3ab17d226849b050764b0d0626247dc57ce49985f9a7fc0061f3df278923a83faa367ca8ab91c37e5624dc584a51a822 SHA512 5d53798f30ea00fcb4e1b35f7eaa4bebfc05dafa4f2d0c197dcf2b57a624ad3a98b74fd90722e40d0ac13a6fff4ca231f9d6340f52ba94659c827c53c2f1cb16
 DIST manual-2021.5.pdf 12253641 BLAKE2B 8850715a2bb21345e1c9735aca1a5dd2ad916e5a18881e7c9f3dda6f055ca12d9d379b74218138999ce50769efd8b9dd6447afbf70bbbefa2564dfb9fb276b91 SHA512 7635108c935e4953d722df6a16ee43edf97eef7e49f047218728f68f61f8f185192ff1d8b13a573b643b040955af211355a7b560c8a894c858d7f71249d41296
 DIST manual-2022_rc1.pdf 13051892 BLAKE2B 99b0a2110a0a7601d4e2d00f4bb3210fed8e0e4dcc2c3a17fa8e902cc713c8aee90eebbcd9b0cb3fd20fb539be6bcf32414fcd3c35a3f9b4677240877623ca93 SHA512 5ff91b2486792a525fc5fc08bfd31225e3c64018b519592ce899ce0a6f92fb366ea4d1b5df3473d264bc93a651c11583757b6603a855cdcd9ad18ec86e160fdc
@@ -16,6 +18,7 @@ DIST regressiontests-2018.8.tar.gz 67855469 BLAKE2B 34c9b339f6229f483afbb5192ee6
 DIST regressiontests-2019.6.tar.gz 67643195 BLAKE2B 1e054e24b187946f7ea28090d4f20cf8e1d79a26253f57ba07d130e0773d8541b8a1552a38023d31a68ce8bc62d8e0af1d98609234bb3e7d3e6d567307ebb386 SHA512 eacf1c55b982515a305c29459fe80a7cd558a8481e5689962aa956148af542568b1d1ce59c6784ecb0afd4768c2b664afa21e12af2d89ae2b06b1ba61ad72036
 DIST regressiontests-2020.4.tar.gz 48542144 BLAKE2B 1dcde67525d40ababa74d9e8ba2dd3fdef1de7d1018491e102edd71d3a622925f213b5a0812e5448882b4cb5fb578317e8e5029bdc4bd53008aa8441a3d9dea1 SHA512 7c71f36a1cef22562f14dcd233e90ad2fe370ae1a7d3b5268727259b374e12d4754253735ac8745d3738bdbc1cc2067780fda5e393be2ff264f632fe4e0c1978
 DIST regressiontests-2020.6.tar.gz 48541232 BLAKE2B dbb405bd9168775984de8c9fb9e3fa2398d2790e2e4de23711c51a01dc3ea570d172a35d4924742ad5eda463eb0a885e6924512801e82b241600ceaefd5db70d SHA512 497a9e7d438b0b7b0734a97cf3683baf480ecc056e96b09f1e143c362ff047a4e51e323216750501c954559579716dc024d3c51319bd2c85fa719466ce4330b2
+DIST regressiontests-2020.7.tar.gz 48541487 BLAKE2B 255608b52158c6c01e7c7c4dcf075128ecf22b2f26d32e8c203de8a4bc69c60ec95f49cf8ccd64abc3073c5e8dca9d6b01daed9dfb8f67bce2dd068ed01acd05 SHA512 2458582f94f3c9f4e1454824ce3940b4f5b6cb2151d06846c42e7a9448296fd2a6df4f53be9624e0d3317d2b59f89bb5348eb8b2970d7b46ac22ca989ef3458a
 DIST regressiontests-2021.3.tar.gz 48515038 BLAKE2B ee79d8adddc9c68f7d59d9e568b12bf4d1fe0e44c2810fee846ad6f689bbcacf60f5c266433946329e64e3127bc2d37a3f81f69c070c636b411b38067650c2cf SHA512 e14baa22ef2902a23125bbd9143ae7a9a4810498b321794ff1989f8d044d47db5db41d5225798fda08016c05e5f7f315178b5a6e35cdf01e3b6604670a8ce7a2
 DIST regressiontests-2021.5.tar.gz 48537298 BLAKE2B 860ac34aa8706ecdafab4472162775ce12726d93839079ebf9b7df8c2c6a1b47baa8a635c24cf4cb4551a32237c3de7da3197ec136b5bbf48663edc3943720ad SHA512 3605d04b2602339fb7d33e2776da2ada337ca58a3802472d47f490d4e8dd04249a950bf34608a498eedebf69f344c0311bac8f7fcb58ce0ebbb6d608ee39aa2e
 DIST regressiontests-2022-rc1.tar.gz 48609151 BLAKE2B b5ec84b9f3f506636136bf9112ea71f7ce5bad8b3dbec6d8c6b21ab13ddab8252a3038f1dd06e1f97cde47f918aff2c62325d09d51bc5632e1db7b84311dbd91 SHA512 a378f724a728fbadbad3b9013f85bf6fb1945e500151d9dacdaea9371f432ce3449dc812f672b77896800c3c46a3893b239101404a1fab63364e62afd7f18097

diff --git a/sci-chemistry/gromacs/gromacs-2020.7.ebuild b/sci-chemistry/gromacs/gromacs-2020.7.ebuild
new file mode 100644
index 000000000000..ed464b1f9772
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2020.7.ebuild
@@ -0,0 +1,352 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+PYTHON_COMPAT=( python3_{8..10} )
+
+DISTUTILS_USE_SETUPTOOLS=no
+DISTUTILS_SINGLE_IMPL=1
+
+inherit bash-completion-r1 cmake cuda distutils-r1 flag-o-matic readme.gentoo-r1 toolchain-funcs xdg-utils
+
+if [[ ${PV} = *9999* ]]; then
+	EGIT_REPO_URI="
+		https://gitlab.com/gromacs/gromacs.git
+		https://github.com/gromacs/gromacs.git
+		git://git.gromacs.org/gromacs.git"
+	[[ ${PV} = 9999 ]] && EGIT_BRANCH="master" || EGIT_BRANCH="release-${PV:0:4}"
+	inherit git-r3
+else
+	SRC_URI="
+		http://ftp.gromacs.org/gromacs/${PN}-${PV/_/-}.tar.gz
+		doc? ( https://ftp.gromacs.org/manual/manual-${PV/_/-}.pdf )
+		test? ( http://ftp.gromacs.org/regressiontests/regressiontests-${PV/_/-}.tar.gz )"
+	KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+fi
+
+ACCE_IUSE="cpu_flags_x86_sse2 cpu_flags_x86_sse4_1 cpu_flags_x86_fma4 cpu_flags_x86_avx cpu_flags_x86_avx2"
+
+DESCRIPTION="The ultimate molecular dynamics simulation package"
+HOMEPAGE="http://www.gromacs.org/"
+
+# see COPYING for details
+# https://repo.or.cz/w/gromacs.git/blob/HEAD:/COPYING
+#        base,    vmd plugins, fftpack from numpy,  blas/lapck from netlib,        memtestG80 library,  mpi_thread lib
+LICENSE="LGPL-2.1 UoI-NCSA !mkl? ( !fftw? ( BSD ) !blas? ( BSD ) !lapack? ( BSD ) ) cuda? ( LGPL-3 ) threads? ( BSD )"
+SLOT="0/${PV}"
+IUSE="X blas cuda +custom-cflags +doc build-manual double-precision +fftw +gmxapi +gmxapi-legacy +hwloc lapack +lmfit mkl mpi +offensive opencl openmp +python +single-precision test +threads +tng ${ACCE_IUSE}"
+
+CDEPEND="
+	X? (
+		x11-libs/libX11
+		x11-libs/libSM
+		x11-libs/libICE
+		)
+	blas? ( virtual/blas )
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-6.5.14 )
+	opencl? ( virtual/opencl )
+	fftw? ( sci-libs/fftw:3.0= )
+	hwloc? ( sys-apps/hwloc:= )
+	lapack? ( virtual/lapack )
+	lmfit? ( sci-libs/lmfit:= )
+	mkl? ( sci-libs/mkl )
+	mpi? ( virtual/mpi )
+	${PYTHON_DEPS}
+	"
+BDEPEND="${CDEPEND}
+	virtual/pkgconfig
+	build-manual? (
+		app-doc/doxygen
+		$(python_gen_cond_dep '
+			dev-python/sphinx[${PYTHON_USEDEP}]
+		')
+		media-gfx/mscgen
+		media-gfx/graphviz
+		dev-texlive/texlive-latex
+		dev-texlive/texlive-latexextra
+		media-gfx/imagemagick
+	)"
+RDEPEND="${CDEPEND}"
+
+REQUIRED_USE="
+	|| ( single-precision double-precision )
+	doc? ( !build-manual )
+	cuda? ( single-precision )
+	cuda? ( !opencl )
+	mkl? ( !blas !fftw !lapack )
+	${PYTHON_REQUIRED_USE}"
+
+DOCS=( AUTHORS README )
+
+RESTRICT="!test? ( test )"
+
+if [[ ${PV} != *9999 ]]; then
+	S="${WORKDIR}/${PN}-${PV/_/-}"
+fi
+
+PATCHES=( "${FILESDIR}/${PN}-2020-pytest.patch" )
+
+pkg_pretend() {
+	[[ $(gcc-version) == "4.1" ]] && die "gcc 4.1 is not supported by gromacs"
+	use openmp && ! tc-has-openmp && \
+		die "Please switch to an openmp compatible compiler"
+}
+
+pkg_setup() {
+	python-single-r1_pkg_setup
+}
+
+src_unpack() {
+	if [[ ${PV} != *9999 ]]; then
+		default
+	else
+		git-r3_src_unpack
+		if use test; then
+			EGIT_REPO_URI="git://git.gromacs.org/regressiontests.git" \
+			EGIT_BRANCH="${EGIT_BRANCH}" \
+			EGIT_CHECKOUT_DIR="${WORKDIR}/regressiontests"\
+				git-r3_src_unpack
+		fi
+	fi
+}
+
+src_prepare() {
+	#notes/todos
+	# -on apple: there is framework support
+
+	xdg_environment_reset #591952
+
+	cmake_src_prepare
+
+	use cuda && cuda_src_prepare
+
+	GMX_DIRS=""
+	use single-precision && GMX_DIRS+=" float"
+	use double-precision && GMX_DIRS+=" double"
+
+	if use test; then
+		for x in ${GMX_DIRS}; do
+			mkdir -p "${WORKDIR}/${P}_${x}" || die
+			cp -al "${WORKDIR}/regressiontests"* "${WORKDIR}/${P}_${x}/tests" || die
+		done
+	fi
+
+	DOC_CONTENTS="Gromacs can use sci-chemistry/vmd to read additional file formats"
+	if use build-manual; then
+		# try to create policy for imagemagik
+		mkdir -p ${HOME}/.config/ImageMagick
+		cat >> ${HOME}/.config/ImageMagick/policy.xml <<- EOF
+		<?xml version="1.0" encoding="UTF-8"?>
+		<!DOCTYPE policymap [
+		<!ELEMENT policymap (policy)+>
+		!ATTLIST policymap xmlns CDATA #FIXED ''>
+		<!ELEMENT policy EMPTY>
+		<!ATTLIST policy xmlns CDATA #FIXED '' domain NMTOKEN #REQUIRED
+			name NMTOKEN #IMPLIED pattern CDATA #IMPLIED rights NMTOKEN #IMPLIED
+			stealth NMTOKEN #IMPLIED value CDATA #IMPLIED>
+		]>
+		<policymap>
+			<policy domain="coder" rights="read | write" pattern="PS" />
+			<policy domain="coder" rights="read | write" pattern="PS2" />
+			<policy domain="coder" rights="read | write" pattern="PS3" />
+			<policy domain="coder" rights="read | write" pattern="EPS" />
+			<policy domain="coder" rights="read | write" pattern="PDF" />
+			<policy domain="coder" rights="read | write" pattern="XPS" />
+		</policymap>
+		EOF
+	fi
+}
+
+src_configure() {
+	local mycmakeargs_pre=( ) extra fft_opts=( )
+
+	if use custom-cflags; then
+		#go from slowest to fastest acceleration
+		local acce="None"
+		use cpu_flags_x86_sse2 && acce="SSE2"
+		use cpu_flags_x86_sse4_1 && acce="SSE4.1"
+		use cpu_flags_x86_fma4 && acce="AVX_128_FMA"
+		use cpu_flags_x86_avx && acce="AVX_256"
+		use cpu_flags_x86_avx2 && acce="AVX2_256"
+	else
+		strip-flags
+	fi
+
+	#to create man pages, build tree binaries are executed (bug #398437)
+	[[ ${CHOST} = *-darwin* ]] && \
+		extra+=" -DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF"
+
+	if use fftw; then
+		fft_opts=( -DGMX_FFT_LIBRARY=fftw3 )
+	elif use mkl && has_version "=sci-libs/mkl-10*"; then
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="${MKLROOT}/include"
+			-DMKL_LIBRARIES="$(echo /opt/intel/mkl/10.0.5.025/lib/*/libmkl.so);$(echo /opt/intel/mkl/10.0.5.025/lib/*/libiomp*.so)"
+		)
+	elif use mkl; then
+		local bits=$(get_libdir)
+		fft_opts=( -DGMX_FFT_LIBRARY=mkl
+			-DMKL_INCLUDE_DIR="$(echo /opt/intel/*/mkl/include)"
+			-DMKL_LIBRARIES="$(echo /opt/intel/*/mkl/lib/*${bits/lib}/libmkl_rt.so)"
+		)
+	else
+		fft_opts=( -DGMX_FFT_LIBRARY=fftpack )
+	fi
+
+	if use lmfit; then
+		local lmfit_opts=( -DGMX_USE_LMFIT=EXTERNAL )
+	else
+		local lmfit_opts=( -DGMX_USE_LMFIT=INTERNAL )
+	fi
+
+	mycmakeargs_pre+=(
+		"${fft_opts[@]}"
+		"${lmfit_opts[@]}"
+		-DGMX_X11=$(usex X)
+		-DGMX_EXTERNAL_BLAS=$(usex blas)
+		-DGMX_EXTERNAL_LAPACK=$(usex lapack)
+		-DGMX_OPENMP=$(usex openmp)
+		-DGMX_COOL_QUOTES=$(usex offensive)
+		-DGMX_USE_TNG=$(usex tng)
+		-DGMX_BUILD_MANUAL=$(usex build-manual)
+		-DGMX_HWLOC=$(usex hwloc)
+		-DGMX_DEFAULT_SUFFIX=off
+		-DGMX_SIMD="$acce"
+		-DGMX_VMD_PLUGIN_PATH="${EPREFIX}/usr/$(get_libdir)/vmd/plugins/*/molfile/"
+		-DBUILD_TESTING=$(usex test)
+		-DGMX_BUILD_UNITTESTS=$(usex test)
+		-DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
+		${extra}
+	)
+
+	for x in ${GMX_DIRS}; do
+		einfo "Configuring for ${x} precision"
+		local suffix=""
+		#if we build single and double - double is suffixed
+		use double-precision && use single-precision && \
+			[[ ${x} = "double" ]] && suffix="_d"
+		local p
+		[[ ${x} = "double" ]] && p="-DGMX_DOUBLE=ON" || p="-DGMX_DOUBLE=OFF"
+		local cuda=( "-DGMX_GPU=OFF" )
+		[[ ${x} = "float" ]] && use cuda && \
+			cuda=( "-DGMX_GPU=ON" )
+		local opencl=( "-DGMX_USE_OPENCL=OFF" )
+		use opencl && opencl=( "-DGMX_USE_OPENCL=ON" ) cuda=( "-DGMX_GPU=ON" )
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_MPI=OFF
+			-DGMX_THREAD_MPI=$(usex threads)
+			-DGMXAPI=$(usex gmxapi)
+			-DGMX_INSTALL_LEGACY_API=$(usex gmxapi-legacy)
+			"${opencl[@]}"
+			"${cuda[@]}"
+			"$(use test && echo -DREGRESSIONTEST_PATH="${WORKDIR}/${P}_${x}/tests")"
+			-DGMX_BINARY_SUFFIX="${suffix}"
+			-DGMX_LIBS_SUFFIX="${suffix}"
+			-DGMX_PYTHON_PACKAGE=$(usex python)
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}" cmake_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}/gentoo_rules.cmake" || die
+		use mpi || continue
+		einfo "Configuring for ${x} precision with mpi"
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_THREAD_MPI=OFF
+			-DGMX_MPI=ON
+			-DGMX_OPENMM=OFF
+			-DGMXAPI=OFF
+			"${opencl[@]}"
+			"${cuda[@]}"
+			-DGMX_BUILD_MDRUN_ONLY=ON
+			-DBUILD_SHARED_LIBS=OFF
+			-DGMX_BUILD_MANUAL=OFF
+			-DGMX_BINARY_SUFFIX="_mpi${suffix}"
+			-DGMX_LIBS_SUFFIX="_mpi${suffix}"
+			)
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" CC="mpicc" cmake_src_configure
+		[[ ${CHOST} != *-darwin* ]] || \
+		  sed -i '/SET(CMAKE_INSTALL_NAME_DIR/s/^/#/' "${WORKDIR}/${P}_${x}_mpi/gentoo_rules.cmake" || die
+	done
+}
+
+src_compile() {
+	for x in ${GMX_DIRS}; do
+		einfo "Compiling for ${x} precision"
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake_src_compile
+		if use python; then
+			BUILD_DIR="${WORKDIR}/${P}_${x}"\
+				cmake_src_compile	python_packaging/all
+			BUILD_DIR="${WORKDIR}/${P}" \
+				distutils-r1_src_compile
+		fi
+		# not 100% necessary for rel ebuilds as available from website
+		if use build-manual; then
+			BUILD_DIR="${WORKDIR}/${P}_${x}"\
+				cmake_src_compile manual
+		fi
+		use mpi || continue
+		einfo "Compiling for ${x} precision with mpi"
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi"\
+			cmake_src_compile
+	done
+}
+
+src_test() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}"\
+			cmake_src_compile check
+	done
+}
+
+src_install() {
+	for x in ${GMX_DIRS}; do
+		BUILD_DIR="${WORKDIR}/${P}_${x}" \
+			cmake_src_install
+		if use python; then
+			BUILD_DIR="${WORKDIR}/${P}_${x}" \
+				cmake_src_install	python_packaging/install
+		fi
+		if use build-manual; then
+			newdoc "${WORKDIR}/${P}_${x}"/docs/manual/gromacs.pdf "${PN}-manual-${PV}.pdf"
+		fi
+
+		if use doc; then
+			if [[ ${PV} != *9999* ]]; then
+				newdoc "${DISTDIR}/manual-${PV}.pdf" "${PN}-manual-${PV}.pdf"
+			fi
+		fi
+
+		use mpi || continue
+		BUILD_DIR="${WORKDIR}/${P}_${x}_mpi" \
+			cmake_src_install
+	done
+
+	if use tng; then
+		insinto /usr/include/tng
+		doins src/external/tng_io/include/tng/*h
+	fi
+	# drop unneeded stuff
+	rm "${ED}"/usr/bin/GMXRC* || die
+	for x in "${ED}"/usr/bin/gmx-completion-*.bash ; do
+		local n=${x##*/gmx-completion-}
+		n="${n%.bash}"
+		cat "${ED}"/usr/bin/gmx-completion.bash "$x" > "${T}/${n}" || die
+		newbashcomp "${T}"/"${n}" "${n}"
+	done
+	rm "${ED}"/usr/bin/gmx-completion*.bash || die
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	einfo
+	einfo  "Please read and cite:"
+	einfo  "Gromacs 4, J. Chem. Theory Comput. 4, 435 (2008). "
+	einfo  "https://dx.doi.org/10.1021/ct700301q"
+	einfo
+	readme.gentoo_print_elog
+}