gentoo auto-resync : 13:02:2023 - 14:17:03

8 files changed, 763 insertions, 85 deletions

diff --git a/sci-physics/Manifest.gz b/sci-physics/Manifest.gz
index e0f11dcafea0..bff4b0cf5fda 100644
--- a/sci-physics/Manifest.gz
+++ b/sci-physics/Manifest.gz
diff --git a/sci-physics/root/Manifest b/sci-physics/root/Manifest
index 8a4d9f25c301..8f4f12e85fde 100644
--- a/sci-physics/root/Manifest
+++ b/sci-physics/root/Manifest
@@ -1,6 +1,9 @@
 AUX root-6.12.06_cling-runtime-sysroot.patch 989 BLAKE2B 8202cc8f2bf72cc25642d0a03ba26c3969069b291a6a22188879dbedbf0c3c496149f79f671d0eb51d81d0ee36565660d136b4741f5d018c2b05325ff08381f0 SHA512 c96dee9843da1051c54bd6870ef0a04714944ffe1f86800c9a51b8eb8ef84107d3315d3a708dcc0b651248af4bec362c7f31695514505045aeda9c793d40dc58
 DIST root_v6.26.08.source.tar.gz 195225434 BLAKE2B e96870b701fbf25dd01c6ab1e39c40ee8fdce9bc6e58d2a6f48a8b3eae71b9eab0cef9a7a229d56efc00eb0d50f218eb2b26a2786641a484e4a08196007409c7 SHA512 5e8f7c6cbe0335a123e8154570582fcdbb1b6ca55ffd63c06e4d2bb85a03bb1a6b827f299b8aabff6699458cbf6bfecf5e4806889c43520a1df2cea12dde387b
-EBUILD root-6.26.08.ebuild 8248 BLAKE2B 47a42e21f0300955bea66e26b013c9525bd6b056a5f732c85ab98bf834fd9f3927ec9ffb3b54c6dd1e945f1c758bca92c5f7fd4c85895ff46b3e4374561dc6dd SHA512 a7760f85e85dd0c7cc8c9c967bfdbea988cb6bc1c12457fd16f269d752522c2b7f28159a7e79b8df9985a32eab172541920077eefe4b0c54c6229b2b1c88ec22
-EBUILD root-6.26.9999.ebuild 8248 BLAKE2B 47a42e21f0300955bea66e26b013c9525bd6b056a5f732c85ab98bf834fd9f3927ec9ffb3b54c6dd1e945f1c758bca92c5f7fd4c85895ff46b3e4374561dc6dd SHA512 a7760f85e85dd0c7cc8c9c967bfdbea988cb6bc1c12457fd16f269d752522c2b7f28159a7e79b8df9985a32eab172541920077eefe4b0c54c6229b2b1c88ec22
-EBUILD root-9999.ebuild 8459 BLAKE2B 1bb5a101c43d685e074eba33dd16e05eb78972ced7d50540e0133704ad9113fab5be34b05f991861e61e26973ea3c02a81061f5b49b0cce03a839dcb6220e708 SHA512 130dd2c54dc5db47df7f07e8350fddb6fff7d7b5304ef8129aa22dd60fb47f0dd9f001bf06dbefc3275a162406cfb8f7fa52228b9b78bc896e39cbab059ed987
-MISC metadata.xml 3150 BLAKE2B eb4fbf007e655d2a0bc80d8ef608f0ba19324ddea1af595dfa4ff5115e8d62409be4bfbf262cd1e3d9a400bd4f658224aac40690bdae072a870f8e1739e481d3 SHA512 3f3ff439a879e22319e4b97dfbbd01fe62e36904a8152507553ead043833218d59b6ecf87c5ebed339fb36af6573e6a171469e8158364db1f2b92cca97dedff3
+DIST root_v6.28.00.source.tar.gz 185318916 BLAKE2B 12161f91e9875f62104f3c74f043191a3035bda1b31f8f36898cbae6cada4423c2179057c49cc01b52bdb66ffcc15c2c4be4322d7cf45b8bd1fb37f0c1dd568c SHA512 0ef842fce1e4afb5fb732ef480e6b62135404678f6f80b7605ecb9fbddf2981c6069086af7e42ede9e1310b6b0135cdfbcd93e701fbc7262f49e1f1737805617
+EBUILD root-6.26.08.ebuild 8255 BLAKE2B 3e9b70ce94a0f3fc6a5da225696b697982c9eb02705e88ddaaa3afc15e39477ee25b449e02d51b6766258b8ce49dbae2c383cee9e27a8b10eeba588f5dedcbcf SHA512 158ad665b6f215f772a3d6a292efa07550667742b28e3ad5788bfc8ee071f27f66df0000fefea0a87e3fbe397a1957044d86cbbc28e6a957fc77fc2f7b03b218
+EBUILD root-6.26.9999.ebuild 8255 BLAKE2B 3e9b70ce94a0f3fc6a5da225696b697982c9eb02705e88ddaaa3afc15e39477ee25b449e02d51b6766258b8ce49dbae2c383cee9e27a8b10eeba588f5dedcbcf SHA512 158ad665b6f215f772a3d6a292efa07550667742b28e3ad5788bfc8ee071f27f66df0000fefea0a87e3fbe397a1957044d86cbbc28e6a957fc77fc2f7b03b218
+EBUILD root-6.28.00.ebuild 8622 BLAKE2B 91990171dfca14dd74e5fbbe220d70418e600fcf73f9e35f0a61a41f5789973d142bd506167c362a4d679db1d034fa72cc17ccd13897d237aeeb8e352e76c76e SHA512 b8ab8a54ec9cfda9f116cc03030f26215f622d9a7085bf99bdd3f87fc07aec5bc91505c4ca0aeb5cbae5d5f38bea6705fa5ae78f27df26206be045f34010b511
+EBUILD root-6.28.9999.ebuild 8622 BLAKE2B 91990171dfca14dd74e5fbbe220d70418e600fcf73f9e35f0a61a41f5789973d142bd506167c362a4d679db1d034fa72cc17ccd13897d237aeeb8e352e76c76e SHA512 b8ab8a54ec9cfda9f116cc03030f26215f622d9a7085bf99bdd3f87fc07aec5bc91505c4ca0aeb5cbae5d5f38bea6705fa5ae78f27df26206be045f34010b511
+EBUILD root-9999.ebuild 8622 BLAKE2B 91990171dfca14dd74e5fbbe220d70418e600fcf73f9e35f0a61a41f5789973d142bd506167c362a4d679db1d034fa72cc17ccd13897d237aeeb8e352e76c76e SHA512 b8ab8a54ec9cfda9f116cc03030f26215f622d9a7085bf99bdd3f87fc07aec5bc91505c4ca0aeb5cbae5d5f38bea6705fa5ae78f27df26206be045f34010b511
+MISC metadata.xml 3125 BLAKE2B 05365d68925cc1f02e2be360d8f433de89c2d37d9a141a4ef71e0acd1ee7b1d345166c8253080082abb1a1a041c59871f3e3f1503ecc3bae33c88e3f05b42ea1 SHA512 4bffb1c5be76fc9a59b0ba593539a092f298329642d43994e339611f79d524543839f813040610bdac9d636e6a22adf0f06adf2b5a553175c2f0679ba82a067d
diff --git a/sci-physics/root/metadata.xml b/sci-physics/root/metadata.xml
index 3e2acf396a84..af031f611c84 100644
--- a/sci-physics/root/metadata.xml
+++ b/sci-physics/root/metadata.xml
@@ -21,7 +21,6 @@
   </longdescription>
   <use>
     <flag name="asimage">Enable support for <pkg>media-libs/libafterimage</pkg></flag>
-    <flag name="c++11">Build using the C++11 standard</flag>
     <flag name="c++14">Build using the C++14 standard</flag>
     <flag name="c++17">Build using the C++17 standard</flag>
     <flag name="cuda">Enable support for nVidia CUDA</flag>
@@ -31,6 +30,7 @@
     <flag name="fortran">Compile included Fortran programs</flag>
     <flag name="gdml">Enable GDML writer and reader</flag>
     <flag name="http">Enable http server support including but not limited to fastcgi support</flag>
+    <flag name="jupyter">Install dependencies to enable ROOT's C++ kernel in Jupyter notebooks</flag>
     <flag name="libcxx">Build ROOT against <pkg>sys-libs/libcxx</pkg></flag>
     <flag name="minuit">Build ROOT's internal versions of minuit (fortran) and minuit2 (C++)</flag>
     <flag name="pythia6">Build the interface for <pkg>sci-physics/pythia</pkg> version 6.x </flag>
@@ -44,7 +44,6 @@
     <flag name="unuran">Enable support for <pkg>sci-mathematics/unuran</pkg></flag>
     <flag name="uring">Enable support for <pkg>sys-libs/liburing</pkg> in RNTuple</flag>
     <flag name="vc">Enable support for <pkg>dev-libs/vc</pkg> with VecCore</flag>
-    <flag name="vmc">Built the Virtual Monte Carlo library</flag>
     <flag name="xrootd">Build the interface for <pkg>net-libs/xrootd</pkg> </flag>
   </use>
 </pkgmetadata>
diff --git a/sci-physics/root/root-6.26.08.ebuild b/sci-physics/root/root-6.26.08.ebuild
index 725ee1820afe..2d2e1c21374b 100644
--- a/sci-physics/root/root-6.26.08.ebuild
+++ b/sci-physics/root/root-6.26.08.ebuild
@@ -47,7 +47,7 @@ REQUIRED_USE="
 	python? ( ${PYTHON_REQUIRED_USE} )
 	qt5? ( root7 )
 	root7? ( || ( c++17 ) )
-	tmva? ( gsl )
+	tmva? ( gsl python )
 	uring? ( root7 )
 "
 
diff --git a/sci-physics/root/root-6.26.9999.ebuild b/sci-physics/root/root-6.26.9999.ebuild
index 725ee1820afe..2d2e1c21374b 100644
--- a/sci-physics/root/root-6.26.9999.ebuild
+++ b/sci-physics/root/root-6.26.9999.ebuild
@@ -47,7 +47,7 @@ REQUIRED_USE="
 	python? ( ${PYTHON_REQUIRED_USE} )
 	qt5? ( root7 )
 	root7? ( || ( c++17 ) )
-	tmva? ( gsl )
+	tmva? ( gsl python )
 	uring? ( root7 )
 "
 
diff --git a/sci-physics/root/root-6.28.00.ebuild b/sci-physics/root/root-6.28.00.ebuild
new file mode 100644
index 000000000000..84fee8efa756
--- /dev/null
+++ b/sci-physics/root/root-6.28.00.ebuild
@@ -0,0 +1,342 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# ninja does not work due to fortran
+CMAKE_MAKEFILE_GENERATOR=emake
+FORTRAN_NEEDED="fortran"
+PYTHON_COMPAT=( python3_{9..11} )
+
+inherit cmake cuda fortran-2 python-single-r1 toolchain-funcs
+
+DESCRIPTION="C++ data analysis framework and interpreter from CERN"
+HOMEPAGE="https://root.cern"
+
+IUSE="+X aqua +asimage c++14 +c++17 cuda cudnn +davix debug +examples
+	fits fftw fortran +gdml graphviz +gsl http jupyter libcxx +minuit mpi
+	mysql odbc +opengl oracle postgres pythia6 pythia8 +python qt5 R +roofit
+	+root7 shadow sqlite +ssl +tbb test +tmva +unuran uring vc +xml xrootd"
+RESTRICT="test"
+PROPERTIES="test_network"
+
+if [[ ${PV} =~ "9999" ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/root-project/root.git"
+	if [[ ${PV} == "9999" ]]; then
+		SLOT="6/9999"
+	else
+		SLOT="6/$(ver_cut 1-3)"
+		EGIT_BRANCH="v$(ver_cut 1)-$(ver_cut 2)-00-patches"
+	fi
+else
+	SLOT="6/$(ver_cut 1-3)"
+	KEYWORDS="~amd64 ~x86"
+	SRC_URI="https://root.cern/download/${PN}_v${PV}.source.tar.gz"
+fi
+
+LICENSE="LGPL-2.1 freedist MSttfEULA LGPL-3 libpng UoI-NCSA"
+
+REQUIRED_USE="
+	^^ ( c++14 c++17 )
+	cuda? ( tmva )
+	cudnn? ( cuda )
+	!X? ( !asimage !opengl !qt5 )
+	davix? ( ssl xml )
+	python? ( ${PYTHON_REQUIRED_USE} )
+	qt5? ( root7 )
+	root7? ( || ( c++17 ) )
+	tmva? ( gsl python )
+	uring? ( root7 )
+"
+
+CDEPEND="
+	app-arch/lz4
+	app-arch/zstd
+	app-arch/xz-utils
+	fortran? ( dev-lang/cfortran )
+	dev-cpp/nlohmann_json
+	dev-libs/libpcre:3
+	dev-libs/xxhash
+	media-fonts/dejavu
+	media-libs/freetype:2
+	media-libs/libpng:0=
+	virtual/libcrypt:=
+	sys-libs/ncurses:=
+	sys-libs/zlib
+	X? (
+		x11-libs/libX11:0
+		x11-libs/libXext:0
+		x11-libs/libXft:0
+		x11-libs/libXpm:0
+		opengl? (
+			media-libs/ftgl:0=
+			media-libs/glew:0=
+			virtual/opengl
+			virtual/glu
+			x11-libs/gl2ps:0=
+		)
+		qt5? (
+			dev-qt/qtcore:5
+			dev-qt/qtgui:5
+			dev-qt/qtwebengine:5[widgets]
+		)
+	)
+	asimage? ( media-libs/libafterimage[gif,jpeg,png,tiff] )
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-9.0 )
+	cudnn? ( dev-libs/cudnn )
+	davix? ( net-libs/davix )
+	fftw? ( sci-libs/fftw:3.0= )
+	fits? ( sci-libs/cfitsio:0= )
+	graphviz? ( media-gfx/graphviz )
+	gsl? ( sci-libs/gsl:= )
+	http? ( dev-libs/fcgi:0= )
+	libcxx? ( sys-libs/libcxx )
+	unuran? ( sci-mathematics/unuran:0= )
+	minuit? ( !sci-libs/minuit )
+	mpi? ( virtual/mpi[fortran?] )
+	mysql? ( dev-db/mysql-connector-c )
+	odbc? (
+		|| (
+			dev-db/libiodbc
+			dev-db/unixODBC
+		)
+	)
+	oracle? ( dev-db/oracle-instantclient[sdk] )
+	postgres? ( dev-db/postgresql:= )
+	pythia6? ( sci-physics/pythia:6 )
+	pythia8? ( sci-physics/pythia:8 )
+	python? ( ${PYTHON_DEPS} )
+	R? ( dev-lang/R )
+	shadow? ( sys-apps/shadow )
+	sqlite? ( dev-db/sqlite:3 )
+	ssl? ( dev-libs/openssl:0= )
+	tbb? ( dev-cpp/tbb:= )
+	tmva? (
+		$(python_gen_cond_dep '
+			dev-python/numpy[${PYTHON_USEDEP}]
+		')
+	)
+	uring? ( sys-libs/liburing:= )
+	vc? ( dev-libs/vc:= )
+	xml? ( dev-libs/libxml2:2= )
+	xrootd? ( net-libs/xrootd:0= )
+"
+
+DEPEND="${CDEPEND}
+	virtual/pkgconfig"
+
+RDEPEND="${CDEPEND}
+	$(python_gen_cond_dep '
+		dev-python/jupyter[${PYTHON_USEDEP}]
+		dev-python/notebook[${PYTHON_USEDEP}]
+		dev-python/metakernel[${PYTHON_USEDEP}]
+	')
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-6.12.06_cling-runtime-sysroot.patch
+)
+
+pkg_setup() {
+	use fortran && fortran-2_pkg_setup
+	use python && python-single-r1_pkg_setup
+
+	elog "There are extra options on packages not available in Gentoo."
+	elog "You can use the environment variable EXTRA_ECONF to enable"
+	elog "these packages. For example, for Vdt you would set:"
+	elog "EXTRA_ECONF=\"-Dbuiltin_vdt=ON -Dvdt=ON\""
+}
+
+src_prepare() {
+	use cuda && cuda_src_prepare
+
+	cmake_src_prepare
+
+	sed -i "/CLING_BUILD_PLUGINS/d" interpreter/CMakeLists.txt || die
+
+	# CSS should use local images
+	sed -i -e 's,http://.*/,,' etc/html/ROOT.css || die "html sed failed"
+
+	eapply_user
+}
+
+# Note: ROOT uses bundled clang because it is patched and API-incompatible
+#       with vanilla clang. The patches enable the C++ interpreter to work.
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_C_COMPILER="$(tc-getCC)"
+		-DCMAKE_CXX_COMPILER="$(tc-getCXX)"
+		-DCMAKE_CUDA_HOST_COMPILER="$(tc-getCXX)"
+		-DCMAKE_C_FLAGS="${CFLAGS}"
+		-DCMAKE_CXX_FLAGS="${CXXFLAGS}"
+		-DCMAKE_CXX_STANDARD=$( (usev c++14 || usev c++17) | cut -c4-)
+		# set build type flags to empty to avoid overriding CXXFLAGS
+		-UCMAKE_C_FLAGS_RELEASE
+		-UCMAKE_C_FLAGS_RELWITHDEBINFO
+		-UCMAKE_CXX_FLAGS_RELEASE
+		-UCMAKE_CXX_FLAGS_RELWITHDEBINFO
+		# enable debug info in LLVM as well with USE=debug
+		-DLLVM_BUILD_TYPE=$(usex debug RelWithDebInfo Release)
+		-DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
+		-DDEFAULT_SYSROOT="${EPREFIX}"
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"
+		-DCMAKE_INSTALL_CMAKEDIR="$(get_libdir)/cmake/ROOT"
+		-DCMAKE_INSTALL_DATADIR="share/root"
+		-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
+		-DCMAKE_INSTALL_FONTDIR="share/fonts/root"
+		-DCMAKE_INSTALL_INCLUDEDIR="include/root"
+		-DCMAKE_INSTALL_LIBDIR="$(get_libdir)/root"
+		-DCMAKE_INSTALL_PYTHONDIR="${EPREFIX}/usr/lib/${EPYTHON}/site-packages"
+		-DCMAKE_INSTALL_SRCDIR="${EPREFIX}/usr/src/debug/${CATEGORY}/${PF}"
+		-DCMAKE_INSTALL_SYSCONFDIR="share/root"
+		-DCMAKE_INSTALL_TUTDIR="share/root/tutorials"
+		-DCLING_BUILD_PLUGINS=OFF
+		-Dasan=OFF
+		-Dasserts=$(usex debug)
+		-Dccache=OFF # use ccache via portage
+		-Dcoverage=OFF
+		-Ddev=OFF
+		-Ddistcc=OFF
+		-Dexceptions=ON
+		-Dfail-on-missing=ON
+		-Dgnuinstall=ON
+		-Dgminimal=OFF
+		-Dshared=ON
+		-Dsoversion=ON
+		-Dbuiltin_llvm=ON
+		-Dbuiltin_clang=ON
+		-Dbuiltin_cling=ON
+		-Dbuiltin_openui5=ON
+		-Dbuiltin_afterimage=OFF
+		-Dbuiltin_cfitsio=OFF
+		-Dbuiltin_cppzmq=OFF
+		-Dbuiltin_davix=OFF
+		-Dbuiltin_fftw3=OFF
+		-Dbuiltin_freetype=OFF
+		-Dbuiltin_ftgl=OFF
+		-Dbuiltin_gl2ps=OFF
+		-Dbuiltin_glew=OFF
+		-Dbuiltin_gsl=OFF
+		-Dbuiltin_gtest=OFF
+		-Dbuiltin_lz4=OFF
+		-Dbuiltin_lzma=OFF
+		-Dbuiltin_nlohmannjson=OFF
+		-Dbuiltin_openssl=OFF
+		-Dbuiltin_pcre=OFF
+		-Dbuiltin_tbb=OFF
+		-Dbuiltin_unuran=OFF
+		-Dbuiltin_vc=OFF
+		-Dbuiltin_vdt=OFF
+		-Dbuiltin_veccore=OFF
+		-Dbuiltin_xrootd=OFF
+		-Dbuiltin_xxhash=OFF
+		-Dbuiltin_zeromq=OFF
+		-Dbuiltin_zlib=OFF
+		-Dbuiltin_zstd=OFF
+		-Darrow=OFF
+		-Dasimage=$(usex asimage)
+		-Dcefweb=OFF
+		-Dclad=OFF
+		-Dcocoa=$(usex aqua)
+		-Dcuda=$(usex cuda)
+		-Dcudnn=$(usex cudnn)
+		-Dcxxmodules=OFF # requires clang, unstable
+		-Ddaos=OFF # not in gentoo
+		-Ddataframe=ON
+		-Ddavix=$(usex davix)
+		-Ddcache=OFF
+		-Dfcgi=$(usex http)
+		-Dfftw3=$(usex fftw)
+		-Dfitsio=$(usex fits)
+		-Dfortran=$(usex fortran)
+		-Dgdml=$(usex gdml)
+		-Dgfal=OFF
+		-Dgviz=$(usex graphviz)
+		-Dhttp=$(usex http)
+		-Dimt=$(usex tbb)
+		-Djemalloc=OFF
+		-Dlibcxx=$(usex libcxx)
+		-Dmathmore=$(usex gsl)
+		-Dminuit=$(usex minuit)
+		-Dminuit2=$(usex minuit)
+		-Dmlp=$(usex tmva)
+		-Dmonalisa=OFF
+		-Dmpi=$(usex mpi)
+		-Dmysql=$(usex mysql)
+		-Dodbc=$(usex odbc)
+		-Dopengl=$(usex opengl)
+		-Doracle=$(usex oracle)
+		-Dpgsql=$(usex postgres)
+		-Dpyroot=$(usex python) # python was renamed to pyroot
+		-Dpyroot_legacy=OFF
+		-Dpythia6=$(usex pythia6)
+		-Dpythia8=$(usex pythia8)
+		-Dqt5web=$(usex qt5)
+		-Dqt6web=OFF
+		-Dr=$(usex R)
+		-Droofit=$(usex roofit)
+		-Droofit_multiprocess=OFF
+		-Droofit_hs3_ryml=OFF
+		-Droot7=$(usex root7)
+		-Drootbench=OFF
+		-Droottest=OFF
+		-Drpath=OFF
+		-Druntime_cxxmodules=ON
+		-Dshadowpw=$(usex shadow)
+		-Dspectrum=ON
+		-Dsqlite=$(usex sqlite)
+		-Dssl=$(usex ssl)
+		-Dtcmalloc=OFF
+		-Dtest_distrdf_dask=OFF
+		-Dtest_distrdf_pyspark=OFF
+		-Dtesting=$(usex test)
+		-Dtmva=$(usex tmva)
+		-Dtmva-cpu=$(usex tmva)
+		-Dtmva-gpu=$(usex cuda)
+		-Dtmva-pymva=$(usex tmva)
+		-Dtmva-rmva=$(usex R)
+		-Dtmva-sofie=OFF
+		-Dunuran=$(usex unuran)
+		-During=$(usex uring)
+		-Dvc=$(usex vc)
+		-Dvdt=OFF
+		-Dveccore=OFF
+		-Dvecgeom=OFF
+		-Dx11=$(usex X)
+		-Dxml=$(usex xml)
+		-Dxrootd=$(usex xrootd)
+		${EXTRA_ECONF}
+	)
+
+	# Needs to be here, otherwise gets overriden by cmake.eclass
+	DCMAKE_BUILD_TYPE=$(usex debug RelWithDebInfo Release) cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	newenvd - 99root <<- EOF || die
+	LDPATH="${EPREFIX}/usr/$(get_libdir)/root"
+	EOF
+
+	pushd "${ED}/usr" > /dev/null
+
+	rm bin/*.{csh,sh,fish} || die
+
+	if ! use examples; then
+		rm -r share/root/tutorials || die
+	fi
+
+	popd
+
+	use python && python_optimize
+}
+
+pkg_postinst() {
+	einfo "Please note that from now on (specifically since sci-physics/root-6.28.00),"
+	einfo "ROOT is more closely following FHS (see https://bugs.gentoo.org/666222)."
+	einfo "Due to this, it will no longer be possible to install multiple concurrent"
+	einfo "versions of ROOT in Gentoo, since that would now cause file collisions."
+}
diff --git a/sci-physics/root/root-6.28.9999.ebuild b/sci-physics/root/root-6.28.9999.ebuild
new file mode 100644
index 000000000000..84fee8efa756
--- /dev/null
+++ b/sci-physics/root/root-6.28.9999.ebuild
@@ -0,0 +1,342 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# ninja does not work due to fortran
+CMAKE_MAKEFILE_GENERATOR=emake
+FORTRAN_NEEDED="fortran"
+PYTHON_COMPAT=( python3_{9..11} )
+
+inherit cmake cuda fortran-2 python-single-r1 toolchain-funcs
+
+DESCRIPTION="C++ data analysis framework and interpreter from CERN"
+HOMEPAGE="https://root.cern"
+
+IUSE="+X aqua +asimage c++14 +c++17 cuda cudnn +davix debug +examples
+	fits fftw fortran +gdml graphviz +gsl http jupyter libcxx +minuit mpi
+	mysql odbc +opengl oracle postgres pythia6 pythia8 +python qt5 R +roofit
+	+root7 shadow sqlite +ssl +tbb test +tmva +unuran uring vc +xml xrootd"
+RESTRICT="test"
+PROPERTIES="test_network"
+
+if [[ ${PV} =~ "9999" ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/root-project/root.git"
+	if [[ ${PV} == "9999" ]]; then
+		SLOT="6/9999"
+	else
+		SLOT="6/$(ver_cut 1-3)"
+		EGIT_BRANCH="v$(ver_cut 1)-$(ver_cut 2)-00-patches"
+	fi
+else
+	SLOT="6/$(ver_cut 1-3)"
+	KEYWORDS="~amd64 ~x86"
+	SRC_URI="https://root.cern/download/${PN}_v${PV}.source.tar.gz"
+fi
+
+LICENSE="LGPL-2.1 freedist MSttfEULA LGPL-3 libpng UoI-NCSA"
+
+REQUIRED_USE="
+	^^ ( c++14 c++17 )
+	cuda? ( tmva )
+	cudnn? ( cuda )
+	!X? ( !asimage !opengl !qt5 )
+	davix? ( ssl xml )
+	python? ( ${PYTHON_REQUIRED_USE} )
+	qt5? ( root7 )
+	root7? ( || ( c++17 ) )
+	tmva? ( gsl python )
+	uring? ( root7 )
+"
+
+CDEPEND="
+	app-arch/lz4
+	app-arch/zstd
+	app-arch/xz-utils
+	fortran? ( dev-lang/cfortran )
+	dev-cpp/nlohmann_json
+	dev-libs/libpcre:3
+	dev-libs/xxhash
+	media-fonts/dejavu
+	media-libs/freetype:2
+	media-libs/libpng:0=
+	virtual/libcrypt:=
+	sys-libs/ncurses:=
+	sys-libs/zlib
+	X? (
+		x11-libs/libX11:0
+		x11-libs/libXext:0
+		x11-libs/libXft:0
+		x11-libs/libXpm:0
+		opengl? (
+			media-libs/ftgl:0=
+			media-libs/glew:0=
+			virtual/opengl
+			virtual/glu
+			x11-libs/gl2ps:0=
+		)
+		qt5? (
+			dev-qt/qtcore:5
+			dev-qt/qtgui:5
+			dev-qt/qtwebengine:5[widgets]
+		)
+	)
+	asimage? ( media-libs/libafterimage[gif,jpeg,png,tiff] )
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-9.0 )
+	cudnn? ( dev-libs/cudnn )
+	davix? ( net-libs/davix )
+	fftw? ( sci-libs/fftw:3.0= )
+	fits? ( sci-libs/cfitsio:0= )
+	graphviz? ( media-gfx/graphviz )
+	gsl? ( sci-libs/gsl:= )
+	http? ( dev-libs/fcgi:0= )
+	libcxx? ( sys-libs/libcxx )
+	unuran? ( sci-mathematics/unuran:0= )
+	minuit? ( !sci-libs/minuit )
+	mpi? ( virtual/mpi[fortran?] )
+	mysql? ( dev-db/mysql-connector-c )
+	odbc? (
+		|| (
+			dev-db/libiodbc
+			dev-db/unixODBC
+		)
+	)
+	oracle? ( dev-db/oracle-instantclient[sdk] )
+	postgres? ( dev-db/postgresql:= )
+	pythia6? ( sci-physics/pythia:6 )
+	pythia8? ( sci-physics/pythia:8 )
+	python? ( ${PYTHON_DEPS} )
+	R? ( dev-lang/R )
+	shadow? ( sys-apps/shadow )
+	sqlite? ( dev-db/sqlite:3 )
+	ssl? ( dev-libs/openssl:0= )
+	tbb? ( dev-cpp/tbb:= )
+	tmva? (
+		$(python_gen_cond_dep '
+			dev-python/numpy[${PYTHON_USEDEP}]
+		')
+	)
+	uring? ( sys-libs/liburing:= )
+	vc? ( dev-libs/vc:= )
+	xml? ( dev-libs/libxml2:2= )
+	xrootd? ( net-libs/xrootd:0= )
+"
+
+DEPEND="${CDEPEND}
+	virtual/pkgconfig"
+
+RDEPEND="${CDEPEND}
+	$(python_gen_cond_dep '
+		dev-python/jupyter[${PYTHON_USEDEP}]
+		dev-python/notebook[${PYTHON_USEDEP}]
+		dev-python/metakernel[${PYTHON_USEDEP}]
+	')
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-6.12.06_cling-runtime-sysroot.patch
+)
+
+pkg_setup() {
+	use fortran && fortran-2_pkg_setup
+	use python && python-single-r1_pkg_setup
+
+	elog "There are extra options on packages not available in Gentoo."
+	elog "You can use the environment variable EXTRA_ECONF to enable"
+	elog "these packages. For example, for Vdt you would set:"
+	elog "EXTRA_ECONF=\"-Dbuiltin_vdt=ON -Dvdt=ON\""
+}
+
+src_prepare() {
+	use cuda && cuda_src_prepare
+
+	cmake_src_prepare
+
+	sed -i "/CLING_BUILD_PLUGINS/d" interpreter/CMakeLists.txt || die
+
+	# CSS should use local images
+	sed -i -e 's,http://.*/,,' etc/html/ROOT.css || die "html sed failed"
+
+	eapply_user
+}
+
+# Note: ROOT uses bundled clang because it is patched and API-incompatible
+#       with vanilla clang. The patches enable the C++ interpreter to work.
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_C_COMPILER="$(tc-getCC)"
+		-DCMAKE_CXX_COMPILER="$(tc-getCXX)"
+		-DCMAKE_CUDA_HOST_COMPILER="$(tc-getCXX)"
+		-DCMAKE_C_FLAGS="${CFLAGS}"
+		-DCMAKE_CXX_FLAGS="${CXXFLAGS}"
+		-DCMAKE_CXX_STANDARD=$( (usev c++14 || usev c++17) | cut -c4-)
+		# set build type flags to empty to avoid overriding CXXFLAGS
+		-UCMAKE_C_FLAGS_RELEASE
+		-UCMAKE_C_FLAGS_RELWITHDEBINFO
+		-UCMAKE_CXX_FLAGS_RELEASE
+		-UCMAKE_CXX_FLAGS_RELWITHDEBINFO
+		# enable debug info in LLVM as well with USE=debug
+		-DLLVM_BUILD_TYPE=$(usex debug RelWithDebInfo Release)
+		-DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
+		-DDEFAULT_SYSROOT="${EPREFIX}"
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"
+		-DCMAKE_INSTALL_CMAKEDIR="$(get_libdir)/cmake/ROOT"
+		-DCMAKE_INSTALL_DATADIR="share/root"
+		-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
+		-DCMAKE_INSTALL_FONTDIR="share/fonts/root"
+		-DCMAKE_INSTALL_INCLUDEDIR="include/root"
+		-DCMAKE_INSTALL_LIBDIR="$(get_libdir)/root"
+		-DCMAKE_INSTALL_PYTHONDIR="${EPREFIX}/usr/lib/${EPYTHON}/site-packages"
+		-DCMAKE_INSTALL_SRCDIR="${EPREFIX}/usr/src/debug/${CATEGORY}/${PF}"
+		-DCMAKE_INSTALL_SYSCONFDIR="share/root"
+		-DCMAKE_INSTALL_TUTDIR="share/root/tutorials"
+		-DCLING_BUILD_PLUGINS=OFF
+		-Dasan=OFF
+		-Dasserts=$(usex debug)
+		-Dccache=OFF # use ccache via portage
+		-Dcoverage=OFF
+		-Ddev=OFF
+		-Ddistcc=OFF
+		-Dexceptions=ON
+		-Dfail-on-missing=ON
+		-Dgnuinstall=ON
+		-Dgminimal=OFF
+		-Dshared=ON
+		-Dsoversion=ON
+		-Dbuiltin_llvm=ON
+		-Dbuiltin_clang=ON
+		-Dbuiltin_cling=ON
+		-Dbuiltin_openui5=ON
+		-Dbuiltin_afterimage=OFF
+		-Dbuiltin_cfitsio=OFF
+		-Dbuiltin_cppzmq=OFF
+		-Dbuiltin_davix=OFF
+		-Dbuiltin_fftw3=OFF
+		-Dbuiltin_freetype=OFF
+		-Dbuiltin_ftgl=OFF
+		-Dbuiltin_gl2ps=OFF
+		-Dbuiltin_glew=OFF
+		-Dbuiltin_gsl=OFF
+		-Dbuiltin_gtest=OFF
+		-Dbuiltin_lz4=OFF
+		-Dbuiltin_lzma=OFF
+		-Dbuiltin_nlohmannjson=OFF
+		-Dbuiltin_openssl=OFF
+		-Dbuiltin_pcre=OFF
+		-Dbuiltin_tbb=OFF
+		-Dbuiltin_unuran=OFF
+		-Dbuiltin_vc=OFF
+		-Dbuiltin_vdt=OFF
+		-Dbuiltin_veccore=OFF
+		-Dbuiltin_xrootd=OFF
+		-Dbuiltin_xxhash=OFF
+		-Dbuiltin_zeromq=OFF
+		-Dbuiltin_zlib=OFF
+		-Dbuiltin_zstd=OFF
+		-Darrow=OFF
+		-Dasimage=$(usex asimage)
+		-Dcefweb=OFF
+		-Dclad=OFF
+		-Dcocoa=$(usex aqua)
+		-Dcuda=$(usex cuda)
+		-Dcudnn=$(usex cudnn)
+		-Dcxxmodules=OFF # requires clang, unstable
+		-Ddaos=OFF # not in gentoo
+		-Ddataframe=ON
+		-Ddavix=$(usex davix)
+		-Ddcache=OFF
+		-Dfcgi=$(usex http)
+		-Dfftw3=$(usex fftw)
+		-Dfitsio=$(usex fits)
+		-Dfortran=$(usex fortran)
+		-Dgdml=$(usex gdml)
+		-Dgfal=OFF
+		-Dgviz=$(usex graphviz)
+		-Dhttp=$(usex http)
+		-Dimt=$(usex tbb)
+		-Djemalloc=OFF
+		-Dlibcxx=$(usex libcxx)
+		-Dmathmore=$(usex gsl)
+		-Dminuit=$(usex minuit)
+		-Dminuit2=$(usex minuit)
+		-Dmlp=$(usex tmva)
+		-Dmonalisa=OFF
+		-Dmpi=$(usex mpi)
+		-Dmysql=$(usex mysql)
+		-Dodbc=$(usex odbc)
+		-Dopengl=$(usex opengl)
+		-Doracle=$(usex oracle)
+		-Dpgsql=$(usex postgres)
+		-Dpyroot=$(usex python) # python was renamed to pyroot
+		-Dpyroot_legacy=OFF
+		-Dpythia6=$(usex pythia6)
+		-Dpythia8=$(usex pythia8)
+		-Dqt5web=$(usex qt5)
+		-Dqt6web=OFF
+		-Dr=$(usex R)
+		-Droofit=$(usex roofit)
+		-Droofit_multiprocess=OFF
+		-Droofit_hs3_ryml=OFF
+		-Droot7=$(usex root7)
+		-Drootbench=OFF
+		-Droottest=OFF
+		-Drpath=OFF
+		-Druntime_cxxmodules=ON
+		-Dshadowpw=$(usex shadow)
+		-Dspectrum=ON
+		-Dsqlite=$(usex sqlite)
+		-Dssl=$(usex ssl)
+		-Dtcmalloc=OFF
+		-Dtest_distrdf_dask=OFF
+		-Dtest_distrdf_pyspark=OFF
+		-Dtesting=$(usex test)
+		-Dtmva=$(usex tmva)
+		-Dtmva-cpu=$(usex tmva)
+		-Dtmva-gpu=$(usex cuda)
+		-Dtmva-pymva=$(usex tmva)
+		-Dtmva-rmva=$(usex R)
+		-Dtmva-sofie=OFF
+		-Dunuran=$(usex unuran)
+		-During=$(usex uring)
+		-Dvc=$(usex vc)
+		-Dvdt=OFF
+		-Dveccore=OFF
+		-Dvecgeom=OFF
+		-Dx11=$(usex X)
+		-Dxml=$(usex xml)
+		-Dxrootd=$(usex xrootd)
+		${EXTRA_ECONF}
+	)
+
+	# Needs to be here, otherwise gets overriden by cmake.eclass
+	DCMAKE_BUILD_TYPE=$(usex debug RelWithDebInfo Release) cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	newenvd - 99root <<- EOF || die
+	LDPATH="${EPREFIX}/usr/$(get_libdir)/root"
+	EOF
+
+	pushd "${ED}/usr" > /dev/null
+
+	rm bin/*.{csh,sh,fish} || die
+
+	if ! use examples; then
+		rm -r share/root/tutorials || die
+	fi
+
+	popd
+
+	use python && python_optimize
+}
+
+pkg_postinst() {
+	einfo "Please note that from now on (specifically since sci-physics/root-6.28.00),"
+	einfo "ROOT is more closely following FHS (see https://bugs.gentoo.org/666222)."
+	einfo "Due to this, it will no longer be possible to install multiple concurrent"
+	einfo "versions of ROOT in Gentoo, since that would now cause file collisions."
+}
diff --git a/sci-physics/root/root-9999.ebuild b/sci-physics/root/root-9999.ebuild
index bff12a2d4081..84fee8efa756 100644
--- a/sci-physics/root/root-9999.ebuild
+++ b/sci-physics/root/root-9999.ebuild
@@ -6,18 +6,17 @@ EAPI=8
 # ninja does not work due to fortran
 CMAKE_MAKEFILE_GENERATOR=emake
 FORTRAN_NEEDED="fortran"
-PYTHON_COMPAT=( python3_{9..10} )
+PYTHON_COMPAT=( python3_{9..11} )
 
-inherit cmake cuda elisp-common fortran-2 python-single-r1 toolchain-funcs
+inherit cmake cuda fortran-2 python-single-r1 toolchain-funcs
 
 DESCRIPTION="C++ data analysis framework and interpreter from CERN"
 HOMEPAGE="https://root.cern"
 
-IUSE="+X aqua +asimage c++11 c++14 +c++17 cuda cudnn +davix debug emacs
-	+examples fits fftw fortran +gdml graphviz +gsl http libcxx +minuit
-	mpi mysql odbc +opengl oracle postgres prefix pythia6 pythia8 +python
-	qt5 R +roofit +root7 shadow sqlite +ssl +tbb test +tmva +unuran uring
-	vc vmc +xml xrootd"
+IUSE="+X aqua +asimage c++14 +c++17 cuda cudnn +davix debug +examples
+	fits fftw fortran +gdml graphviz +gsl http jupyter libcxx +minuit mpi
+	mysql odbc +opengl oracle postgres pythia6 pythia8 +python qt5 R +roofit
+	+root7 shadow sqlite +ssl +tbb test +tmva +unuran uring vc +xml xrootd"
 RESTRICT="test"
 PROPERTIES="test_network"
 
@@ -25,13 +24,13 @@ if [[ ${PV} =~ "9999" ]] ; then
 	inherit git-r3
 	EGIT_REPO_URI="https://github.com/root-project/root.git"
 	if [[ ${PV} == "9999" ]]; then
-		SLOT="0"
+		SLOT="6/9999"
 	else
-		SLOT="$(ver_cut 1-2)/$(ver_cut 3)"
+		SLOT="6/$(ver_cut 1-3)"
 		EGIT_BRANCH="v$(ver_cut 1)-$(ver_cut 2)-00-patches"
 	fi
 else
-	SLOT="$(ver_cut 1-2)/$(ver_cut 3)"
+	SLOT="6/$(ver_cut 1-3)"
 	KEYWORDS="~amd64 ~x86"
 	SRC_URI="https://root.cern/download/${PN}_v${PV}.source.tar.gz"
 fi
@@ -39,15 +38,15 @@ fi
 LICENSE="LGPL-2.1 freedist MSttfEULA LGPL-3 libpng UoI-NCSA"
 
 REQUIRED_USE="
-	^^ ( c++11 c++14 c++17 )
+	^^ ( c++14 c++17 )
 	cuda? ( tmva )
 	cudnn? ( cuda )
 	!X? ( !asimage !opengl !qt5 )
 	davix? ( ssl xml )
 	python? ( ${PYTHON_REQUIRED_USE} )
 	qt5? ( root7 )
-	root7? ( || ( c++14 c++17 ) )
-	tmva? ( gsl )
+	root7? ( || ( c++17 ) )
+	tmva? ( gsl python )
 	uring? ( root7 )
 "
 
@@ -87,7 +86,6 @@ CDEPEND="
 	cuda? ( >=dev-util/nvidia-cuda-toolkit-9.0 )
 	cudnn? ( dev-libs/cudnn )
 	davix? ( net-libs/davix )
-	emacs? ( >=app-editors/emacs-23.1:* )
 	fftw? ( sci-libs/fftw:3.0= )
 	fits? ( sci-libs/cfitsio:0= )
 	graphviz? ( media-gfx/graphviz )
@@ -128,7 +126,13 @@ CDEPEND="
 DEPEND="${CDEPEND}
 	virtual/pkgconfig"
 
-RDEPEND="${CDEPEND}"
+RDEPEND="${CDEPEND}
+	$(python_gen_cond_dep '
+		dev-python/jupyter[${PYTHON_USEDEP}]
+		dev-python/notebook[${PYTHON_USEDEP}]
+		dev-python/metakernel[${PYTHON_USEDEP}]
+	')
+"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-6.12.06_cling-runtime-sysroot.patch
@@ -159,9 +163,6 @@ src_prepare() {
 
 # Note: ROOT uses bundled clang because it is patched and API-incompatible
 #       with vanilla clang. The patches enable the C++ interpreter to work.
-#       Since ROOT installs many files into /etc (>100MB in total) that don't
-#       really belong there, we install it into another directory to avoid
-#       making /etc too big.
 
 src_configure() {
 	local mycmakeargs=(
@@ -170,18 +171,38 @@ src_configure() {
 		-DCMAKE_CUDA_HOST_COMPILER="$(tc-getCXX)"
 		-DCMAKE_C_FLAGS="${CFLAGS}"
 		-DCMAKE_CXX_FLAGS="${CXXFLAGS}"
-		-DCMAKE_CXX_STANDARD=$( (usev c++11 || usev c++14 || usev c++17) | cut -c4-)
+		-DCMAKE_CXX_STANDARD=$( (usev c++14 || usev c++17) | cut -c4-)
+		# set build type flags to empty to avoid overriding CXXFLAGS
+		-UCMAKE_C_FLAGS_RELEASE
+		-UCMAKE_C_FLAGS_RELWITHDEBINFO
+		-UCMAKE_CXX_FLAGS_RELEASE
+		-UCMAKE_CXX_FLAGS_RELWITHDEBINFO
+		# enable debug info in LLVM as well with USE=debug
+		-DLLVM_BUILD_TYPE=$(usex debug RelWithDebInfo Release)
 		-DPYTHON_EXECUTABLE="${EPREFIX}/usr/bin/${EPYTHON}"
-		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/${PN}/$(ver_cut 1-2)"
-		-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/${PN}/$(ver_cut 1-2)/share/man"
-		-DCMAKE_INSTALL_LIBDIR="lib"
 		-DDEFAULT_SYSROOT="${EPREFIX}"
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"
+		-DCMAKE_INSTALL_CMAKEDIR="$(get_libdir)/cmake/ROOT"
+		-DCMAKE_INSTALL_DATADIR="share/root"
+		-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
+		-DCMAKE_INSTALL_FONTDIR="share/fonts/root"
+		-DCMAKE_INSTALL_INCLUDEDIR="include/root"
+		-DCMAKE_INSTALL_LIBDIR="$(get_libdir)/root"
+		-DCMAKE_INSTALL_PYTHONDIR="${EPREFIX}/usr/lib/${EPYTHON}/site-packages"
+		-DCMAKE_INSTALL_SRCDIR="${EPREFIX}/usr/src/debug/${CATEGORY}/${PF}"
+		-DCMAKE_INSTALL_SYSCONFDIR="share/root"
+		-DCMAKE_INSTALL_TUTDIR="share/root/tutorials"
 		-DCLING_BUILD_PLUGINS=OFF
-		-Dasserts=OFF
+		-Dasan=OFF
+		-Dasserts=$(usex debug)
+		-Dccache=OFF # use ccache via portage
+		-Dcoverage=OFF
 		-Ddev=OFF
+		-Ddistcc=OFF
 		-Dexceptions=ON
 		-Dfail-on-missing=ON
-		-Dgnuinstall=OFF
+		-Dgnuinstall=ON
+		-Dgminimal=OFF
 		-Dshared=ON
 		-Dsoversion=ON
 		-Dbuiltin_llvm=ON
@@ -198,6 +219,7 @@ src_configure() {
 		-Dbuiltin_gl2ps=OFF
 		-Dbuiltin_glew=OFF
 		-Dbuiltin_gsl=OFF
+		-Dbuiltin_gtest=OFF
 		-Dbuiltin_lz4=OFF
 		-Dbuiltin_lzma=OFF
 		-Dbuiltin_nlohmannjson=OFF
@@ -213,37 +235,32 @@ src_configure() {
 		-Dbuiltin_zeromq=OFF
 		-Dbuiltin_zlib=OFF
 		-Dbuiltin_zstd=OFF
-		-Dalien=OFF
 		-Darrow=OFF
 		-Dasimage=$(usex asimage)
-		-Dccache=OFF # use ccache via portage
 		-Dcefweb=OFF
 		-Dclad=OFF
 		-Dcocoa=$(usex aqua)
 		-Dcuda=$(usex cuda)
 		-Dcudnn=$(usex cudnn)
 		-Dcxxmodules=OFF # requires clang, unstable
+		-Ddaos=OFF # not in gentoo
 		-Ddataframe=ON
 		-Ddavix=$(usex davix)
 		-Ddcache=OFF
-		-Ddistcc=OFF
 		-Dfcgi=$(usex http)
 		-Dfftw3=$(usex fftw)
 		-Dfitsio=$(usex fits)
 		-Dfortran=$(usex fortran)
 		-Dgdml=$(usex gdml)
 		-Dgfal=OFF
-		-Dgminimal=OFF
-		-Dgsl_shared=$(usex gsl)
 		-Dgviz=$(usex graphviz)
 		-Dhttp=$(usex http)
 		-Dimt=$(usex tbb)
+		-Djemalloc=OFF
 		-Dlibcxx=$(usex libcxx)
 		-Dmathmore=$(usex gsl)
-		-Dmemstat=OFF # deprecated
-		-Dminimal=OFF
-		-Dminuit2=$(usex minuit)
 		-Dminuit=$(usex minuit)
+		-Dminuit2=$(usex minuit)
 		-Dmlp=$(usex tmva)
 		-Dmonalisa=OFF
 		-Dmpi=$(usex mpi)
@@ -252,21 +269,21 @@ src_configure() {
 		-Dopengl=$(usex opengl)
 		-Doracle=$(usex oracle)
 		-Dpgsql=$(usex postgres)
-		-Dpythia6=$(usex pythia6)
 		-Dpyroot=$(usex python) # python was renamed to pyroot
-		#-Dpyroot_legacy=OFF # set to ON to use legacy PyROOT (6.22 and later)
-		#-Dpyroot_experimental=OFF # set to ON to use new PyROOT (6.20 and earlier)
+		-Dpyroot_legacy=OFF
+		-Dpythia6=$(usex pythia6)
 		-Dpythia8=$(usex pythia8)
 		-Dqt5web=$(usex qt5)
 		-Dqt6web=OFF
 		-Dr=$(usex R)
 		-Droofit=$(usex roofit)
 		-Droofit_multiprocess=OFF
+		-Droofit_hs3_ryml=OFF
 		-Droot7=$(usex root7)
 		-Drootbench=OFF
 		-Droottest=OFF
 		-Drpath=OFF
-		-Druntime_cxxmodules=OFF
+		-Druntime_cxxmodules=ON
 		-Dshadowpw=$(usex shadow)
 		-Dspectrum=ON
 		-Dsqlite=$(usex sqlite)
@@ -287,64 +304,39 @@ src_configure() {
 		-Dvdt=OFF
 		-Dveccore=OFF
 		-Dvecgeom=OFF
-		-Dvmc=$(usex vmc)
 		-Dx11=$(usex X)
 		-Dxml=$(usex xml)
 		-Dxrootd=$(usex xrootd)
 		${EXTRA_ECONF}
 	)
 
-	CMAKE_BUILD_TYPE=$(usex debug Debug Release) \
-	cmake_src_configure
-}
-
-src_compile() {
-	# needed for hsimple.root
-	addwrite /dev/random
-	cmake_src_compile
+	# Needs to be here, otherwise gets overriden by cmake.eclass
+	DCMAKE_BUILD_TYPE=$(usex debug RelWithDebInfo Release) cmake_src_configure
 }
 
 src_install() {
 	cmake_src_install
 
-	ROOTSYS=${EPREFIX}/usr/lib/${PN}/$(ver_cut 1-2)
-
-	if [[ ${PV} == "9999" ]]; then
-		ROOTENV="9900${PN}-git"
-	else
-		ROOTENV="$((9999 - $(ver_cut 2)))${PN}-$(ver_cut 1-2)-git"
-	fi
-
-	cat > ${ROOTENV} <<- EOF || die
-	MANPATH="${ROOTSYS}/share/man"
-	PATH="${ROOTSYS}/bin"
-	ROOTPATH="${ROOTSYS}/bin"
-	LDPATH="${ROOTSYS}/lib"
+	newenvd - 99root <<- EOF || die
+	LDPATH="${EPREFIX}/usr/$(get_libdir)/root"
 	EOF
 
-	if use python; then
-		echo "PYTHONPATH=\"${ROOTSYS}/lib\"" >> ${ROOTENV} || die
-	fi
+	pushd "${ED}/usr" > /dev/null
 
-	doenvd ${ROOTENV}
+	rm bin/*.{csh,sh,fish} || die
 
-	if use emacs; then
-		elisp-install ${PN}-$(ver_cut 1-2) "${BUILD_DIR}"/root-help.el
+	if ! use examples; then
+		rm -r share/root/tutorials || die
 	fi
 
-	pushd "${D}/${ROOTSYS}" > /dev/null
-
-	rm -r emacs bin/*.{csh,sh,fish} || die
+	popd
 
-	if ! use examples; then
-		rm -r tutorials || die
-	fi
+	use python && python_optimize
+}
 
-	# create versioned symlinks for binaries
-	if [[ ! ${PV} == "9999" ]]; then
-		cd bin;
-		for exe in *; do
-			dosym "${exe}" "/usr/lib/${PN}/$(ver_cut 1-2)/bin/${exe}-$(ver_cut 1-2)"
-		done
-	fi
+pkg_postinst() {
+	einfo "Please note that from now on (specifically since sci-physics/root-6.28.00),"
+	einfo "ROOT is more closely following FHS (see https://bugs.gentoo.org/666222)."
+	einfo "Due to this, it will no longer be possible to install multiple concurrent"
+	einfo "versions of ROOT in Gentoo, since that would now cause file collisions."
 }