8 files changed, 366 insertions, 10 deletions
diff --git a/sci-chemistry/Manifest.gz b/sci-chemistry/Manifest.gz
index a52612e4431b..a032a6c12d66 100644
--- a/sci-chemistry/Manifest.gz
+++ b/sci-chemistry/Manifest.gz
diff --git a/sci-chemistry/gromacs/Manifest b/sci-chemistry/gromacs/Manifest
index 9bbfd59adcc2..7f7aa0938f74 100644
--- a/sci-chemistry/gromacs/Manifest
+++ b/sci-chemistry/gromacs/Manifest
@@ -5,27 +5,31 @@ DIST gromacs-2018.8.tar.gz 29913703 BLAKE2B 8780032305928067fbfe1559efe9eedc4d47
 DIST gromacs-2019.6.tar.gz 33446147 BLAKE2B adc21fb6b841b06d499607f8c0166a673645ef5af0b40bd823d0fff5ea24397e6301c5e1e0070986ae1ce1deba8a42052b66da148b071c1e21f2fe3908fee275 SHA512 7c227a9539e5775d5d128ae9e872a24181d79cdcd2852b86453597987e8d7332ecec371da65d089f6e610c54aafbccc8824ce298743383dd6240719ebee692a8
 DIST gromacs-2020.7.tar.gz 29175554 BLAKE2B 98f1aa415946f8eb113febc81105f0c1b0919b96fc3c55a0ab83bf3950ff509b81eade92e645adb0bc2b407df239e20cf3f19828b6e08616437c8693c1fddcc8 SHA512 1d375c44cec38445e56cea252623b5b6c565680268999d4b6c14d6dc38759a27227655b2d29efaab9f9115d3677b446cb555e11cddafa0dc10c4827caaa2477b
 DIST gromacs-2021.6.tar.gz 38012702 BLAKE2B 023ae37dc53643758afa050fd179cd66f3c6d6266f6afceee5eb35c890a3ae284956f2bc2409156d6e1fa03a7f23f7b04c27e1820547fd5f147b344d94da7d40 SHA512 65d7874e5cd838ce4f29d033c66304738ccc30f1987f9f8541725058b2fc4551302a399f6ce773e81ac9485963187c48feaf92c71789f4c345c82bd335f806a7
+DIST gromacs-2021.7.tar.gz 38028032 BLAKE2B 2dc1b15ca8692ca5cf4ad1c7a266b9e2ced064d34a63cef61fea69e48231dd0310cfd8484d29c56cdb599f795d7655959f40038ac933b46ad2841d57bf2b3646 SHA512 ca478533da3bcb377fda30682660db8eb13beef6456fac6013a1a97ec3be60b5594567412e1e2a31392e484f9a40a22da1f12336f4738cf0422ff4f3e8814609
 DIST gromacs-2022.4.tar.gz 40352282 BLAKE2B 616ba05a70a483d7d8fadefb383ac9fc8825ac09ea92f55a0222c57ac91e4a045fb55405ec963303d8dbabb04b3d1f8c73062785b3812b3c6b7582e002dc5538 SHA512 15c642f2b63c1731a01a3b58c13d454f57c29607554a6693c2e62f38da574c6d596c5cb6f361e0feb5e1069b3b19bb49ceaa432c030da91f48e41654e3e6a62f
 DIST gromacs-2023-rc1.tar.gz 41863824 BLAKE2B c365ccd83b8f271be8f1a515f4dc0ebd729ce43023e979a52046fc827e786f84f09de894af9b8da4f7ce6e06a1ae050e8ff387892f76787857327ce2bc397042 SHA512 7ab8158624e0c93c0f06bd7023b97012d80afa5e068cb4489e7e9700171a5a8f69ae042bf0256c78aaec527d9a1b88f5f2dce6c8c7d4f46a457b6a9568b70f45
 DIST manual-2018.8.pdf 10025023 BLAKE2B afb0a6e6a72d78df743fcb57e7c1716848589e571dd35167b957a9b407ca27978ccfb6cb9e0df9c9439b888f352501a00ba32281ed1e0b4193bd606f1d77152e SHA512 b1972f7ce965bfc9377542993c5943ea4868a8ed23a969d4203264746d6bea3a7a65c6379196ece37fd6d68ec7ec80f827bde87d1049284af7082759a124f1d5
 DIST manual-2019.6.pdf 12702376 BLAKE2B c350127bc06a9eb3dee73da39037c84daeb89500e23cb131bd19a150bf60602d4dde7611e0c6f0f344af4093e96a899303dac71b4df56fd0c44c3a48a56606b7 SHA512 dfdff67c2c1c9ce1f1c236b7686c5331b0fe86951da6c98eddd6a3e748815e0be0a9653ae4318469fcdd913c4e7c355d64a997cc80b9d9fbe6282ef6d98e61eb
 DIST manual-2020.7.pdf 11850780 BLAKE2B 38594e87993badfbbcf47d6010a7f67d3c3426dab85e1462916b4d62be27b5764953f912cf2b71ee24877e0bfa27b3f74431da2da81b4977d58cb66b2cc795a3 SHA512 4f184f2c90e0bac01a48069cc546cd5b04fa5f543f90dd2d68c6d17be278152fd09456b6a6c5c8236f8fb85a174d6ec7a1c7b44d437b4e6fea5d0ada73cec0f6
 DIST manual-2021.6.pdf 12256595 BLAKE2B 5d808e38571b38c1f6e0d115f6e604238206cc001f59d05ed855e80c324c0e6fd7767adb723b3d0edd1267ae5973a3b83b76bd04d2dc99769e6440600d8e2146 SHA512 64fe56422d7417f6f61b10346c99e24c3f423f0cedc3794e0809250282bc87ef692b47ae6c3f95ad7994aa3860ed82035cbacc76eb78a2f54a29052a05260af2
+DIST manual-2021.7.pdf 12256526 BLAKE2B 6f298d7dac142f66914bbc2ea7d6ca70c4aeafaf33ccf12336d5cec64b1f1097b5332c767bb411ccef706ec6184479a84bcf59bda21c4249d45d8ce3dea08e79 SHA512 197765accb8ab6c5f1cc94b2697ff1817e157d85fa231dfe36a85036076e04da2a8035de66aba4f46c6dd7f553176357b94c92e1da5d1dabc574c627deee5279
 DIST manual-2022.4.pdf 13080976 BLAKE2B 45685fa1d727aa30425e946ac72e0bd723528032e3fb45525d3c025316ee2682ea3c9cc2fd75b5cd4e900adbc6e7f577e3368d9e0681294fd1515df3d2e5d840 SHA512 a7ac3a80a90f14b6917e15633d77230d24cdcf19ade38d14b35c6451074848a7754b33c612e2a26a657f2edd3d6710e5a8130cacb107d4085d1bd934267ad623
 DIST manual-2023-rc1.pdf 13506754 BLAKE2B 9487753e788fa5b2d01255717769e0b01cf7adcb4ae99a1f37f4ad0f8acccfbf4eff0a4c76add63bc82bffdf844cf8dd1d858d15a6bacd6635ec3a3474e10f6f SHA512 f26df914402793c656a798847524c0b9207a4163bb36d6cb90740a699418719f7b124343b4886e50d92023c14f8c1e61e950c12b8e1e4702007e34677cd17ef2
 DIST regressiontests-2018.8.tar.gz 67855469 BLAKE2B 34c9b339f6229f483afbb5192ee6ba8b8f72d5c26907a853af9c53dfece0d88739e48f6b44b78d1c010f988f9385d077285300522164f533a5861e9dda879275 SHA512 3642389d27bd1942cd0f091c940ae97b197b94856a387fe581dc516b0d4169480f16551d4ba357f9282b3337d605c286d51dd38112ac87c826dda634904836bb
 DIST regressiontests-2019.6.tar.gz 67643195 BLAKE2B 1e054e24b187946f7ea28090d4f20cf8e1d79a26253f57ba07d130e0773d8541b8a1552a38023d31a68ce8bc62d8e0af1d98609234bb3e7d3e6d567307ebb386 SHA512 eacf1c55b982515a305c29459fe80a7cd558a8481e5689962aa956148af542568b1d1ce59c6784ecb0afd4768c2b664afa21e12af2d89ae2b06b1ba61ad72036
 DIST regressiontests-2020.7.tar.gz 48541487 BLAKE2B 255608b52158c6c01e7c7c4dcf075128ecf22b2f26d32e8c203de8a4bc69c60ec95f49cf8ccd64abc3073c5e8dca9d6b01daed9dfb8f67bce2dd068ed01acd05 SHA512 2458582f94f3c9f4e1454824ce3940b4f5b6cb2151d06846c42e7a9448296fd2a6df4f53be9624e0d3317d2b59f89bb5348eb8b2970d7b46ac22ca989ef3458a
 DIST regressiontests-2021.6.tar.gz 48537070 BLAKE2B 982fad6b23da5c1e6d32009f9f08772419c08f15549aea85ec0cd144c7faf5b48ed9b49a2cae662c28008514911cc18e0b39b994854d95f4f206e728b76f3fe5 SHA512 9c0ca29df822bc13005fd35bdb85cc075ea667112ae1670af0d8306cdd2bd348a9f9904bd10da6db458d9c11f4d44860e1fc62e9686d2c6e396e265d18768ba4
+DIST regressiontests-2021.7.tar.gz 48537500 BLAKE2B b0c97fa652cb9b972c50f29822f530fcaa2ec9acb6d6442114fc6446c54aade5eb1bfa153c69a7e8bf64b66e8b041d7f8e0d51e7f7b0516f9e03f3d9ad626193 SHA512 7cbead90aa6d62346dcf7c2249c3cfa179884b987a749624444d2f59d93e0322f7721143bf6eb44d26102635dc70a73546ef82d4647558b6320bfdd459074017
 DIST regressiontests-2022.4.tar.gz 48614599 BLAKE2B d41d59d4336455c87f3877be48ec49b2cdc989548c51ef9c8277b05bb6cf3dc05ebfa91a0248cc113c130a0ed19aae2c8316184caf37b72aa612b211fe41b144 SHA512 6495a286b201774ea2a922376ff5c0abaae7aaef1dfd28a1a61c817b5c6ac83db99300d43cc019745ca32a025e1f8a7f538342af539d9d753e494c550b429706
 DIST regressiontests-2023-rc1.tar.gz 48611523 BLAKE2B 4ef09171007c45f38239c8e966d0c9a611ee9b133c91fb51fc5d25a7f67eab01e32b1ef89c12b42eb140b5e189834697e4116ad6c9c302ab33d15cf871ac61d6 SHA512 f5c2a486f8b416140b69841c42df8bb1e38fc0d7b58badc4370a59ca543c48c7875a877eab828ee03f87e55501f4e8fcdd18103939825f8b57f681f99b108f42
 EBUILD gromacs-2018.8-r1.ebuild 6675 BLAKE2B 46cd37f680b71e001586e88974f7a69bd8e41d07de2464ab0d8d80f7755a68da45b77ad28e01444cb48b0156e6f4332dc8fc67d21944c76768b9cbd18804cc46 SHA512 ece906b1c1d3b401ea85121b280f99fafe92f791918c47aab57f1094b53e95a5786812e414928ec765ef44fbecf6219e094dfb74d5a52f0b5fccbdf736a37968
 EBUILD gromacs-2019.6-r2.ebuild 7053 BLAKE2B b61fb0e08daec321b562e246275e1ff9768bf3e24428c127fbcc67ae36fbe6054b60f3cb0587fb711e9c050798086bcd7dece03a64f5bebd53db327db939acb5 SHA512 de3d96b9780667be98a519bb496eb72c2f02cb8aa9482d075d03fa1558ef2852c4daa6e8ef36879232604a7dc30722464e70886cb7673a371691bf93252655a2
 EBUILD gromacs-2020.7.ebuild 9847 BLAKE2B 5ac1c696c996e4d281d8e90b858982f9f6a475867ec94209b4a42a1018282752878f6d8a62827a06af247bd00b766be6bb52176ebbccb1c616190a38ed507627 SHA512 03044916378006f3d26e55d56b2fecf637680c80b3eef85f5427e3ac92406926ff9d22ad5b1a1450477e579cb41030d39c787566a2ccf9829c78cf795365f3b1
 EBUILD gromacs-2021.6.ebuild 10054 BLAKE2B 6a1a608a8996cff7b2d429cf4d7f8b2909271c6a83158671687619303904f5ead3cdce98d5ca968b05ac6fb8f16d764f08f111009a78d3132e88d64c65ca6c5a SHA512 43fe99bf2b2d901477675bb0fc30e244baeaf8b74b9736dc4e51d15c16544c4c8e801eaa2585335b32f92dd8a29d000aa1c3e511c4975570e573d28be401b324
-EBUILD gromacs-2022.4.ebuild 9606 BLAKE2B 215e3361885b4f69b6a0fe7064df3e8e4e4ff7b12184cd0ef4890ccc92db7af3ff361518ce923e65730bc1dee681811b4a0d02f1e2ddd13d27e2831917ba7d1c SHA512 94e4fc1e2497452271f321036a97776ecfc6ce05bf9be2b1e6534ff103eca7dd8784d8e1b438c8910d417fb96eb03b0a2859a752a7c28c8ae14f2cbec42b2f84
-EBUILD gromacs-2022.9999.ebuild 9606 BLAKE2B 215e3361885b4f69b6a0fe7064df3e8e4e4ff7b12184cd0ef4890ccc92db7af3ff361518ce923e65730bc1dee681811b4a0d02f1e2ddd13d27e2831917ba7d1c SHA512 94e4fc1e2497452271f321036a97776ecfc6ce05bf9be2b1e6534ff103eca7dd8784d8e1b438c8910d417fb96eb03b0a2859a752a7c28c8ae14f2cbec42b2f84
-EBUILD gromacs-2023.9999.ebuild 9554 BLAKE2B bc617296908f17bb1b002200d824510f7e344cfdca652ca65843e46db6a0d44f161b651b5fb6fe6349c6cc3225248c17fce07509546f6e2f66a487272dd8fd5b SHA512 c8c5dbe07fb3b350d76adb47faadb728f861ea11f6304fbe56f272c1deb842431daf192f86d6464050242683fc16ac71ba77fb4dde3da2167fd9373bab3542fb
-EBUILD gromacs-2023_rc1.ebuild 9554 BLAKE2B bc617296908f17bb1b002200d824510f7e344cfdca652ca65843e46db6a0d44f161b651b5fb6fe6349c6cc3225248c17fce07509546f6e2f66a487272dd8fd5b SHA512 c8c5dbe07fb3b350d76adb47faadb728f861ea11f6304fbe56f272c1deb842431daf192f86d6464050242683fc16ac71ba77fb4dde3da2167fd9373bab3542fb
-EBUILD gromacs-9999.ebuild 9554 BLAKE2B bc617296908f17bb1b002200d824510f7e344cfdca652ca65843e46db6a0d44f161b651b5fb6fe6349c6cc3225248c17fce07509546f6e2f66a487272dd8fd5b SHA512 c8c5dbe07fb3b350d76adb47faadb728f861ea11f6304fbe56f272c1deb842431daf192f86d6464050242683fc16ac71ba77fb4dde3da2167fd9373bab3542fb
+EBUILD gromacs-2021.7.ebuild 10057 BLAKE2B bed7c9d0cb7f7ac408070a4e115a172311a14031e221cde57a60a781419af95f6271aa523b1ade0fde41b49624926c52053c3a5b7fadb9f889d387c4fe93ed04 SHA512 b52de46729be145c4b762bd0b5b3bbcdeb63798f1658c32d8d2ae77f9b9fbe7843ad5b195e24ba3862057d11ecd3e464d93c2f28badc94e50e7e5458b76a5b3a
+EBUILD gromacs-2022.4.ebuild 9596 BLAKE2B b3e675f96621add5f81b07ca1ec6a6c4f4f3f61f69051ba6f6319bd5f5044bacb67554bd7e85877485163c4695cee7dc3246b024b904a0f97d2d858065a4a098 SHA512 f81d9732b050c4cd8d453031e3122e5c0beeacda352493e0acc0b8cade05b36fd4671f87a89036bcc7dddd098ebd825d3c17af3c06b391d7514d75520ca9368b
+EBUILD gromacs-2022.9999.ebuild 9596 BLAKE2B b3e675f96621add5f81b07ca1ec6a6c4f4f3f61f69051ba6f6319bd5f5044bacb67554bd7e85877485163c4695cee7dc3246b024b904a0f97d2d858065a4a098 SHA512 f81d9732b050c4cd8d453031e3122e5c0beeacda352493e0acc0b8cade05b36fd4671f87a89036bcc7dddd098ebd825d3c17af3c06b391d7514d75520ca9368b
+EBUILD gromacs-2023.9999.ebuild 9544 BLAKE2B a03201533e4d713e62a7a93d70e2d621c9afb3af832b2aa711bb3840359f7f79b9529552c2cfa22a7ea1cd53d2d2524bd8fd382c932ceb233f7bbf769349de1c SHA512 1017e32229be36967c1e1a2c9c883d80f84bb8d2dc59ead2d34cf9299b981f27fe5d868df583c74af881c1916519af265cb6b126d01a5f337a926772a2e13dcb
+EBUILD gromacs-2023_rc1.ebuild 9544 BLAKE2B a03201533e4d713e62a7a93d70e2d621c9afb3af832b2aa711bb3840359f7f79b9529552c2cfa22a7ea1cd53d2d2524bd8fd382c932ceb233f7bbf769349de1c SHA512 1017e32229be36967c1e1a2c9c883d80f84bb8d2dc59ead2d34cf9299b981f27fe5d868df583c74af881c1916519af265cb6b126d01a5f337a926772a2e13dcb
+EBUILD gromacs-9999.ebuild 9544 BLAKE2B a03201533e4d713e62a7a93d70e2d621c9afb3af832b2aa711bb3840359f7f79b9529552c2cfa22a7ea1cd53d2d2524bd8fd382c932ceb233f7bbf769349de1c SHA512 1017e32229be36967c1e1a2c9c883d80f84bb8d2dc59ead2d34cf9299b981f27fe5d868df583c74af881c1916519af265cb6b126d01a5f337a926772a2e13dcb
 MISC metadata.xml 1375 BLAKE2B 321b7db8536061655a6efaa40110f4858633921292eba465b85fe0cb50280842e511f2f11385fe5d62bbdfb40e9c0c76e8e986a1efce8eac25d52c438d7ed5f4 SHA512 cc61e0b477f6576079a0f7910475b9091c1c521fbb48efab365d355e3c0a80cd19e1ea9028cb269d37c2572546b1be66a210512e40ff0f2d6314d1b0138cdba6
diff --git a/sci-chemistry/gromacs/gromacs-2021.7.ebuild b/sci-chemistry/gromacs/gromacs-2021.7.ebuild
new file mode 100644
index 000000000000..8cb244317617
--- /dev/null
+++ b/sci-chemistry/gromacs/gromacs-2021.7.ebuild
@@ -0,0 +1,352 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CMAKE_MAKEFILE_GENERATOR="ninja"
+
+PYTHON_COMPAT=( python3_{9..11} )
+
+DISTUTILS_OPTIONAL=1
+DISTUTILS_USE_PEP517=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="
+		https://ftp.gromacs.org/gromacs/${PN}-${PV/_/-}.tar.gz
+		doc? ( https://ftp.gromacs.org/manual/manual-${PV/_/-}.pdf )
+		test? ( https://ftp.gromacs.org/regressiontests/regressiontests-${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="https://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 )
+	${PYTHON_DEPS}
+	"
+BDEPEND="${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 )
+	opencl? ( single-precision )
+	cuda? ( !opencl )
+	mkl? ( !blas !fftw !lapack )
+	${PYTHON_REQUIRED_USE}"
+
+DOCS=( AUTHORS README )
+
+RESTRICT="!test? ( test )"
+
+PATCHES=( "${FILESDIR}/${PN}-2021-musl-stdint.patch" )
+
+if [[ ${PV} != *9999 ]]; then
+	S="${WORKDIR}/${PN}-${PV/_/-}"
+fi
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+	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)
+	[[ ${CHOST} = *-darwin* ]] && \
+		extra+=" -DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF"
+
+	if use fftw; then
+		fft_opts=( -DGMX_FFT_LIBRARY=fftw3 )
+	elif use mkl; then
+		local bits=$(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" )
+		local 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"
+		local 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 gromacs related papers from list:"
+	einfo  "https://www.gromacs.org/Gromacs_papers"
+	einfo
+	readme.gentoo_print_elog
+}
diff --git a/sci-chemistry/gromacs/gromacs-2022.4.ebuild b/sci-chemistry/gromacs/gromacs-2022.4.ebuild
index 57c7253f3cc6..ca908310a723 100644
--- a/sci-chemistry/gromacs/gromacs-2022.4.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2022.4.ebuild
@@ -51,7 +51,7 @@ CDEPEND="
 	mkl? ( sci-libs/mkl )
 	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
-	>=dev-cpp/muParser-2.3.4:=[-wchar]
+	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
 	"
 BDEPEND="${CDEPEND}
diff --git a/sci-chemistry/gromacs/gromacs-2022.9999.ebuild b/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
index 57c7253f3cc6..ca908310a723 100644
--- a/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2022.9999.ebuild
@@ -51,7 +51,7 @@ CDEPEND="
 	mkl? ( sci-libs/mkl )
 	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
-	>=dev-cpp/muParser-2.3.4:=[-wchar]
+	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
 	"
 BDEPEND="${CDEPEND}
diff --git a/sci-chemistry/gromacs/gromacs-2023.9999.ebuild b/sci-chemistry/gromacs/gromacs-2023.9999.ebuild
index 168151504751..98c909cdab48 100644
--- a/sci-chemistry/gromacs/gromacs-2023.9999.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2023.9999.ebuild
@@ -51,7 +51,7 @@ CDEPEND="
 	mkl? ( sci-libs/mkl )
 	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
-	>=dev-cpp/muParser-2.3.4:=[-wchar]
+	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
 	"
 BDEPEND="${CDEPEND}
diff --git a/sci-chemistry/gromacs/gromacs-2023_rc1.ebuild b/sci-chemistry/gromacs/gromacs-2023_rc1.ebuild
index 168151504751..98c909cdab48 100644
--- a/sci-chemistry/gromacs/gromacs-2023_rc1.ebuild
+++ b/sci-chemistry/gromacs/gromacs-2023_rc1.ebuild
@@ -51,7 +51,7 @@ CDEPEND="
 	mkl? ( sci-libs/mkl )
 	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
-	>=dev-cpp/muParser-2.3.4:=[-wchar]
+	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
 	"
 BDEPEND="${CDEPEND}
diff --git a/sci-chemistry/gromacs/gromacs-9999.ebuild b/sci-chemistry/gromacs/gromacs-9999.ebuild
index 168151504751..98c909cdab48 100644
--- a/sci-chemistry/gromacs/gromacs-9999.ebuild
+++ b/sci-chemistry/gromacs/gromacs-9999.ebuild
@@ -51,7 +51,7 @@ CDEPEND="
 	mkl? ( sci-libs/mkl )
 	mpi? ( virtual/mpi[cxx] )
 	sci-libs/lmfit:=
-	>=dev-cpp/muParser-2.3.4:=[-wchar]
+	>=dev-cpp/muParser-2.3:=
 	${PYTHON_DEPS}
 	"
 BDEPEND="${CDEPEND}