sci-chemistry/gromacs: version bump to 2021.4

Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>

2 files changed, 359 insertions, 0 deletions

diff --git a/sci-chemistry/gromacs/Manifest b/sci-chemistry/gromacs/Manifest
index eef4a81f4531..0788ac6bd4e1 100644
--- a/sci-chemistry/gromacs/Manifest
+++ b/sci-chemistry/gromacs/Manifest
@@ -4,6 +4,7 @@ DIST gromacs-2020.4.tar.gz 29149899 BLAKE2B a07c8efd96137d58c1edf4ac9b5aafeb16d9
 DIST gromacs-2020.6.tar.gz 29196621 BLAKE2B b350fc62fd8eeb3f2b042fa74a4ed42e43a7b74efd8fddb60ec086a814048a52b8625da65fa5c4cf2cb1e22f8347562bc84d38bf34441fc5ebc6abaa38b0eea0 SHA512 4ce4d6b9ae33e9cd2a1ad3313e80acf63ded21dac897b01dbf87df2e318181796ef64c8a1d3e0a6058b972d8d88d00f710cd0277db12f38fc2c9b29772c98bea
 DIST gromacs-2021.2.tar.gz 37976386 BLAKE2B 8818321bbcbdee25356bbf909d9c667f9d7cf180e696a323a61017683234d1269decc8f8d72b8012a8cc207f69e5cd97e2ab48dbbff06d82bbb407bc0578854b SHA512 51b1728f41932274436ab807d569109e2b0e145abcb5cf9c9b7daf6a7396f2f8716dc28fb93cf178c97a7eaeab2a88878d0bc71dd6c6abe7e829d579e7968615
 DIST gromacs-2021.3.tar.gz 37987972 BLAKE2B d71995c7d5a34978246e33dc637ac3d273e547afcf72d1a107026650f03286ecdf27e4b9a70113b3c3a01af59ad49ac5c813aa6e5d2e8eb29fd05582a7a28d34 SHA512 da420917d06de2e192dfbb4e1b9f46989ed05b5c7e641c657104ed8f2bd8b22509bffd1ecfd7c965c80544eafa6af12d6d0aba7e1e7d9d14a4a88fb3fbf394a5
+DIST gromacs-2021.4.tar.gz 38023262 BLAKE2B 4e1c9ca23f8bd89a990bac2730f846ce9fd6423aa6934866734272ac8f5ca29cdb51daec440b7ef2af56c68bdbab504c0c1b1a4d5f4af0b16666850bf286c5b2 SHA512 35b26b3df02d151373fab49022281b89e987c867257a998acc926b2b7151f5d4e46f11c398a24f4a174f668dd24a828b07d36594ac5d5506e10e40d4578427a2
 DIST gromacs-2022-beta1.tar.gz 39727355 BLAKE2B 2b17684e36f1a2746bd92e4cea2f7eedfcc1770eb127663b7d643a4e9518dc90f788c0f41dcff612d06edb05eeb06a13196810714d5cdf5a8ef5056100d75eb6 SHA512 a311a95b42647819d442be2a6106f4a3bbfa792856ac88ade9ee0793dff3a3bd0e6f2982bfa37d541b3a4673a24358fa72bf9267c3d1743bb01da673d84e0fa8
 DIST manual-2018.8.pdf 10025023 BLAKE2B afb0a6e6a72d78df743fcb57e7c1716848589e571dd35167b957a9b407ca27978ccfb6cb9e0df9c9439b888f352501a00ba32281ed1e0b4193bd606f1d77152e SHA512 b1972f7ce965bfc9377542993c5943ea4868a8ed23a969d4203264746d6bea3a7a65c6379196ece37fd6d68ec7ec80f827bde87d1049284af7082759a124f1d5
 DIST manual-2019.6.pdf 12702376 BLAKE2B c350127bc06a9eb3dee73da39037c84daeb89500e23cb131bd19a150bf60602d4dde7611e0c6f0f344af4093e96a899303dac71b4df56fd0c44c3a48a56606b7 SHA512 dfdff67c2c1c9ce1f1c236b7686c5331b0fe86951da6c98eddd6a3e748815e0be0a9653ae4318469fcdd913c4e7c355d64a997cc80b9d9fbe6282ef6d98e61eb
@@ -11,6 +12,7 @@ DIST manual-2020.4.pdf 11851608 BLAKE2B 7b7bdf08e8946fcc448543b08391b94a67fee60a
 DIST manual-2020.6.pdf 11850850 BLAKE2B 155e4eb9c200dcd0a38e3669b26077fcf310d437b82d9a593d333dada3989c2c8a936d62c642e195f98bb474b1673b8142405c467348fc96a74d57fb12106d76 SHA512 be508ebec597b82a2c4056029f8bb731b22cb8902628a45462ed21af54c554d28e07d5381efaaa96565202b7b47d33aea67950206cd9e8936211ae721b21b3e1
 DIST manual-2021.2.pdf 12252501 BLAKE2B 0dbf9024e1516076b0eeb46e41523b966d1d81f57504fe0501c7bc8575e74fb19e3452ac584757e425bcccbc737367fe83be87fd21a4287f4675cf87184b960b SHA512 14156d3b1017990e0be3ceb7ec055777a1aec4c347ac2e821a042d51c931f84ebca862f60644a90ed7ba4070cb14ff8babcde3e4351e4dbec84df8563e350984
 DIST manual-2021.3.pdf 12255076 BLAKE2B 6ca516b6832507c9d4100679d1f9bc9e3ab17d226849b050764b0d0626247dc57ce49985f9a7fc0061f3df278923a83faa367ca8ab91c37e5624dc584a51a822 SHA512 5d53798f30ea00fcb4e1b35f7eaa4bebfc05dafa4f2d0c197dcf2b57a624ad3a98b74fd90722e40d0ac13a6fff4ca231f9d6340f52ba94659c827c53c2f1cb16
+DIST manual-2021.4.pdf 12253232 BLAKE2B 0b859c08a07d5a615ac7a822b61d5a4f4296ca9773d383a07960dc629d6b1df23e1dec51561a4ac26789b84e49cc98b6d7cc10d943c61d7784052664ac1bacf9 SHA512 024f17a670518fc19a2a462186ed2a74f331c5c83b8ba4bbe148a53767515ba19e6af887a1baae3a7770af2095fad5c513784cc54f9d0f881395ad8a89760cba
 DIST manual-2022_beta1.pdf 13033013 BLAKE2B dda51c931e5b124d0fbd106a73b4f04d6d58374a8590b44d1f64897a2a2c97fb4a682275d2f2bd0907de5faec74d91550642bb505a3a316d2f7e20a84f0c1308 SHA512 ea7c1362fda8a4dc5b21242154daf9d9c66bdd2462d67335c56170189ed6f75a50bf51a0cdf8654886a3c0a537dfc0d364eb57f6602ce0065e4ac8ca106f5544
 DIST regressiontests-2018.8.tar.gz 67855469 BLAKE2B 34c9b339f6229f483afbb5192ee6ba8b8f72d5c26907a853af9c53dfece0d88739e48f6b44b78d1c010f988f9385d077285300522164f533a5861e9dda879275 SHA512 3642389d27bd1942cd0f091c940ae97b197b94856a387fe581dc516b0d4169480f16551d4ba357f9282b3337d605c286d51dd38112ac87c826dda634904836bb
 DIST regressiontests-2019.6.tar.gz 67643195 BLAKE2B 1e054e24b187946f7ea28090d4f20cf8e1d79a26253f57ba07d130e0773d8541b8a1552a38023d31a68ce8bc62d8e0af1d98609234bb3e7d3e6d567307ebb386 SHA512 eacf1c55b982515a305c29459fe80a7cd558a8481e5689962aa956148af542568b1d1ce59c6784ecb0afd4768c2b664afa21e12af2d89ae2b06b1ba61ad72036
@@ -18,4 +20,5 @@ DIST regressiontests-2020.4.tar.gz 48542144 BLAKE2B 1dcde67525d40ababa74d9e8ba2d
 DIST regressiontests-2020.6.tar.gz 48541232 BLAKE2B dbb405bd9168775984de8c9fb9e3fa2398d2790e2e4de23711c51a01dc3ea570d172a35d4924742ad5eda463eb0a885e6924512801e82b241600ceaefd5db70d SHA512 497a9e7d438b0b7b0734a97cf3683baf480ecc056e96b09f1e143c362ff047a4e51e323216750501c954559579716dc024d3c51319bd2c85fa719466ce4330b2
 DIST regressiontests-2021.2.tar.gz 48514312 BLAKE2B 81b007d5e5e1d054349c73dc8bc3589db328752e48a66687c0ad36be87ebe580df9cbd93b193a724669bd5765af06ec306f2e12af00a228af616de03943d6f05 SHA512 b687ddfd3dc6ec1051af2a3253633703ef1c82335d1df23379819ea47e44dfcd417e81e29610cc584d4c5fb1ee1cbc76731a3fd31b529d8cdd0b9c22f432c7ec
 DIST regressiontests-2021.3.tar.gz 48515038 BLAKE2B ee79d8adddc9c68f7d59d9e568b12bf4d1fe0e44c2810fee846ad6f689bbcacf60f5c266433946329e64e3127bc2d37a3f81f69c070c636b411b38067650c2cf SHA512 e14baa22ef2902a23125bbd9143ae7a9a4810498b321794ff1989f8d044d47db5db41d5225798fda08016c05e5f7f315178b5a6e35cdf01e3b6604670a8ce7a2
+DIST regressiontests-2021.4.tar.gz 48541736 BLAKE2B 37b8e65e333dcfcfc795da631475807ffa4ecc3a85426b4de6dd2ccb50f40a78159149789da13f988340a62d21e7d6b1d4f0c6e7fe69120d4c94ab2252b4c440 SHA512 18663693cf9ce2ca3bd8df0f668e7a0c8236a7f5ae4ee02f621cbe52c139c506b61ac4cab200cc59caab41e9983ea93dfa062d7b52f6558a619096a8d439fb56
 DIST regressiontests-2022-beta1.tar.gz 48534065 BLAKE2B 4f0dd89b791fa11696460befa4a755dff14546abc10a4801ddb5f0286cee267ca983c082748b0ce9345a98b7fb98bb4a5387054a373acc543ff56b72e0ad9b64 SHA512 aa178a59bc7074e1d50d2cbe4d376f3593e0af6ad2a563627529fa4b0aa6a9bb29248caaace578150ab9e80feba3bf862ab964993eed183a79e35a189d10fecf
diff --git a/sci-chemistry/gromacs/gromacs-2021.4.ebuild b/sci-chemistry/gromacs/gromacs-2021.4.ebuild
new file mode 100644
index 000000000000..ab6c1d40dd0b
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2021.4.ebuild
@@ -0,0 +1,356 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+PYTHON_COMPAT=( python3_{8,9} )
+
+DISTUTILS_USE_SETUPTOOLS=no
+DISTUTILS_SINGLE_IMPL=1
+
+inherit bash-completion-r1 cmake cuda distutils-r1 flag-o-matic multilib 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 cpu_flags_x86_avx512f cpu_flags_arm_neon"
+
+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[profiler] )
+	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 )
+	${PYTHON_DEPS}
+	!sci-chemistry/gmxapi
+	"
+BDEPEND="${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
+
+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=( )
+	local acce="AUTO"
+
+	if use custom-cflags; then
+		#go from slowest to fastest acceleration
+		acce="None"
+		if (use amd64 || use x86); then
+			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"
+			use cpu_flags_x86_avx512f && acce="AVX_512"
+		elif (use arm); then
+			use cpu_flags_arm_neon && acce="ARM_NEON"
+		elif (use arm64); then
+			use cpu_flags_arm_neon && acce="ARM_NEON_ASIMD"
+		fi
+	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 gpu=( "-DGMX_GPU=OFF" )
+		[[ ${x} = "float" ]] && use cuda && gpu=( "-DGMX_GPU=CUDA" )
+		use opencl && gpu=( "-DGMX_GPU=OPENCL" )
+		mycmakeargs=(
+			${mycmakeargs_pre[@]} ${p}
+			-DGMX_MPI=OFF
+			-DGMX_THREAD_MPI=$(usex threads)
+			-DGMXAPI=$(usex gmxapi)
+			-DGMX_INSTALL_LEGACY_API=$(usex gmxapi-legacy)
+			"${gpu[@]}"
+			"$(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
+}