diff --git a/dev-lisp/sbcl/Manifest b/dev-lisp/sbcl/Manifest
index 313ee1d018a63..9430a65a39573 100644
--- a/dev-lisp/sbcl/Manifest
+++ b/dev-lisp/sbcl/Manifest
@@ -22,3 +22,5 @@ DIST sbcl-1.5.6-x86-64-linux-binary.tar.bz2 10131687 BLAKE2B f921b0c0b292f213eb1
 DIST sbcl-1.5.7-source.tar.bz2 6438048 BLAKE2B d7036d6ac6abdd433e112ae9bd59ad00447c45edd064cd863b609d21b99896c7a435b3a0cc82fe0d5ef842c0156d134e690c4363667f4c9b57b49cbfbc24a0e0 SHA512 8dde1b0d400f93fed085f6b6c33b057c3dec4dfa83afb7431384add6628cb2f910cba006b2579cea547685aeb79fade5ad576b0a42e4f7e1f6c0c3f26acf226e
 DIST sbcl-1.5.8-source.tar.bz2 6409837 BLAKE2B cb503ee1db82f2e1a9c123b9b6b5052b23167c8a76039f12afee580be058a0b78a51eade541f7e2beab5566204af147c8cd1dab25ef0fff381cf298ba758aee5 SHA512 20966035e878a1f6aa9b0acf20eb88087d5cd604d65ae90f43bbfa3d2d40afa46864daabf45d8c6ecbbd429e876279c891d6e3d9344f2972f611a4f9b2eec8f4
 DIST sbcl-1.5.8-x86-64-linux-binary.tar.bz2 10145219 BLAKE2B aeccd48a5448e334d6cf3ca4e067ac23943256c2a729ff24b6b3c332c6c70c108b68a6903193a403176d4fbf4804c9f22add615e29fa09022f84b0190a429454 SHA512 d733929775be6fe5d46fd5b11c808eae89172a5a8694f1c2a7927cc364419529292d70f6902731f4c7822c85708555382de31b605440493bb281ccef552daf6c
+DIST sbcl-2.0.0-source.tar.bz2 6457217 BLAKE2B ae09d4d80ca7100fb412be570126918612eb5a3f27a8c17ced4e0c555d105f3180999f2663ea86910dda9d812d4297cceb8d7c43d5084d20902839e1f23bc739 SHA512 e458e11af6703d8cff973cf5167866b93fe5f6e1b2df3cbf0c1beb014eef2d737d83fc9cde5745d476ef5397a2c9b4b4148d2b77ebbcec13e0f284b2e0900906
+DIST sbcl-2.0.0-x86-64-linux-binary.tar.bz2 10196560 BLAKE2B 161d53df96817a50606ffc6a5ad502a94a1aa622e0a45c17c4ff4148deafb2e1db560aacd33b1198eb6fd3bc462b320e01d4925097bec3954f9d6ce564a2b1f5 SHA512 23d3974656a33ae0cfce340e2fbdd60a4e595353e7cc6e75dbab0242d7baaa30d677d1163d4440e953cd7f859fc737b073055b68fbeb2e57e3542a0133d7648f
diff --git a/dev-lisp/sbcl/sbcl-2.0.0.ebuild b/dev-lisp/sbcl/sbcl-2.0.0.ebuild
new file mode 100644
index 0000000000000..22cb14e88c58c
--- /dev/null
+++ b/dev-lisp/sbcl/sbcl-2.0.0.ebuild
@@ -0,0 +1,246 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit multilib eutils flag-o-matic pax-utils
+
+#same order as http://www.sbcl.org/platform-table.html
+BV_X86=1.4.3
+BV_AMD64=2.0.0
+BV_PPC=1.2.7
+BV_SPARC=1.0.28
+BV_ALPHA=1.0.28
+BV_ARM=1.4.11
+BV_ARM64=1.4.2
+BV_X86_MACOS=1.1.6
+BV_X64_MACOS=1.2.11
+BV_PPC_MACOS=1.0.47
+BV_X86_SOLARIS=1.2.7
+BV_X64_SOLARIS=1.2.7
+BV_SPARC_SOLARIS=1.0.23
+
+DESCRIPTION="Steel Bank Common Lisp (SBCL) is an implementation of ANSI Common Lisp"
+HOMEPAGE="http://sbcl.sourceforge.net/"
+SRC_URI="mirror://sourceforge/sbcl/${P}-source.tar.bz2
+	x86? ( mirror://sourceforge/sbcl/${PN}-${BV_X86}-x86-linux-binary.tar.bz2 )
+	amd64? ( mirror://sourceforge/sbcl/${PN}-${BV_AMD64}-x86-64-linux-binary.tar.bz2 )
+	ppc? ( mirror://sourceforge/sbcl/${PN}-${BV_PPC}-powerpc-linux-binary.tar.bz2 )
+	sparc? ( mirror://sourceforge/sbcl/${PN}-${BV_SPARC}-sparc-linux-binary.tar.bz2 )
+	alpha? ( mirror://sourceforge/sbcl/${PN}-${BV_ALPHA}-alpha-linux-binary.tar.bz2 )
+	arm? ( mirror://sourceforge/sbcl/${PN}-${BV_ARM}-armhf-linux-binary.tar.bz2 )
+	arm64? ( mirror://sourceforge/sbcl/${PN}-${BV_ARM64}-arm64-linux-binary.tar.bz2 )
+	x86-macos? ( mirror://sourceforge/sbcl/${PN}-${BV_X86_MACOS}-x86-darwin-binary.tar.bz2 )
+	x64-macos? ( mirror://sourceforge/sbcl/${PN}-${BV_X64_MACOS}-x86-64-darwin-binary.tar.bz2 )
+	ppc-macos? ( mirror://sourceforge/sbcl/${PN}-${BV_PPC_MACOS}-powerpc-darwin-binary.tar.bz2 )
+	x86-solaris? ( mirror://sourceforge/sbcl/${PN}-${BV_X86_SOLARIS}-x86-solaris-binary.tar.bz2 )
+	x64-solaris? ( mirror://sourceforge/sbcl/${PN}-${BV_X64_SOLARIS}-x86-64-solaris-binary.tar.bz2 )
+	sparc-solaris? ( mirror://sourceforge/sbcl/${PN}-${BV_SPARC_SOLARIS}-sparc-solaris-binary.tar.bz2 )"
+
+LICENSE="MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~ppc ~sparc ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos ~x86-solaris"
+IUSE="debug doc source +threads +unicode pax_kernel zlib"
+
+CDEPEND=">=dev-lisp/asdf-3.1:="
+DEPEND="${CDEPEND}
+		doc? ( sys-apps/texinfo >=media-gfx/graphviz-2.26.0 )
+		pax_kernel? ( sys-apps/elfix )"
+RDEPEND="${CDEPEND}
+		!prefix? ( elibc_glibc? ( >=sys-libs/glibc-2.6 ) )"
+
+# Disable warnings about executable stacks, as this won't be fixed soon by upstream
+QA_EXECSTACK="usr/bin/sbcl"
+
+CONFIG="${S}/customize-target-features.lisp"
+ENVD="${T}/50sbcl"
+
+# Prevent ASDF from using the system libraries
+CL_SOURCE_REGISTRY="(:source-registry :ignore-inherited-configuration)"
+ASDF_OUTPUT_TRANSLATIONS="(:output-translations :ignore-inherited-configuration)"
+
+usep() {
+	use ${1} && echo "true" || echo "false"
+}
+
+sbcl_feature() {
+	echo "$( [[ ${1} == "true" ]] && echo "(enable ${2})" || echo "(disable ${2})")" >> "${CONFIG}"
+}
+
+sbcl_apply_features() {
+	sed 's/^X//' > "${CONFIG}" <<-'EOF'
+	(lambda (list)
+	X  (flet ((enable  (x) (pushnew x list))
+	X         (disable (x) (setf list (remove x list))))
+	EOF
+	if use x86 || use amd64; then
+		sbcl_feature "$(usep threads)" ":sb-thread"
+	fi
+	sbcl_feature "true" ":sb-ldb"
+	sbcl_feature "false" ":sb-test"
+	sbcl_feature "$(usep unicode)" ":sb-unicode"
+	sbcl_feature "$(usep zlib)" ":sb-core-compression"
+	sbcl_feature "$(usep debug)" ":sb-xref-for-internals"
+	sed 's/^X//' >> "${CONFIG}" <<-'EOF'
+	X    )
+	X  list)
+	EOF
+	cat "${CONFIG}"
+}
+
+src_unpack() {
+	unpack ${A}
+	mv sbcl-*-* sbcl-binary || die
+	cd "${S}"
+}
+
+src_prepare() {
+	# bug #468482
+	eapply "${FILESDIR}"/concurrency-test-1.5.3.patch
+	# bugs #486552, #527666, #517004
+	eapply "${FILESDIR}"/${PN}-1.4.0-bsd-sockets-test.patch
+	# bugs #560276, #561018
+	eapply "${FILESDIR}"/sb-posix-test-1.2.15.patch
+
+	eapply "${FILESDIR}"/${PN}-1.2.11-solaris.patch
+	eapply "${FILESDIR}"/${PN}-1.4.0-verbose-build.patch
+
+	eapply_user
+
+	# Make sure the *FLAGS variables are sane.
+	# sbcl needs symbols in resulting binaries, so building with the -s linker flag will fail.
+	strip-unsupported-flags
+	filter-flags -fomit-frame-pointer -Wl,-s
+	filter-ldflags -s
+
+	# original bugs #526194, #620532
+	# this broke no-pie default builds, c.f. bug #632670
+	# Pass CFLAGS down by appending our value, to let users override
+	# the default values.
+	# Keep passing LDFLAGS down via the LINKFLAGS variable.
+	sed -e "s@\(CFLAGS += -g .*\)\$@\1 ${CFLAGS}@" \
+		-e "s@LINKFLAGS += -g\$@LINKFLAGS += ${LDFLAGS}@" \
+		-i src/runtime/GNUmakefile || die
+
+	sed -e "s@SBCL_PREFIX=\"/usr/local\"@SBCL_PREFIX=\"${EPREFIX}/usr\"@" \
+		-i make-config.sh || die
+
+	# Use installed ASDF version
+	cp "${EPREFIX}"/usr/share/common-lisp/source/asdf/build/asdf.lisp contrib/asdf/ || die
+	# Avoid installation of ASDF info page. See bug #605752
+	sed '/INFOFILES/s/asdf.info//' -i doc/manual/Makefile || die
+
+	use source && sed 's%"$(BUILD_ROOT)%$(MODULE).lisp "$(BUILD_ROOT)%' -i contrib/vanilla-module.mk
+
+	# Some shells(such as dash) don't have "time" as builtin
+	# and we don't want to DEPEND on sys-process/time
+	sed "s,^time ,," -i make.sh || die
+	sed "s,/lib,/$(get_libdir),g" -i install.sh || die
+	# #define SBCL_HOME ...
+	sed "s,/usr/local/lib,${EPREFIX}/usr/$(get_libdir),g" -i src/runtime/runtime.c || die
+	# change location of /etc/sbclrc ...
+	sed  "s,/etc/sbclrc,${EPREFIX}/etc/sbclrc,g" -i src/code/toplevel.lisp || die
+
+	find . -type f -name .cvsignore -delete
+}
+
+src_configure() {
+	# customizing SBCL version as per
+	# http://sbcl.cvs.sourceforge.net/sbcl/sbcl/doc/PACKAGING-SBCL.txt?view=markup
+	echo -e ";;; Auto-generated by Gentoo\n\"gentoo-${PR}\"" > branch-version.lisp-expr
+
+	# applying customizations
+	sbcl_apply_features
+}
+
+src_compile() {
+	local bindir="${WORKDIR}"/sbcl-binary
+
+	if use pax_kernel ; then
+		# To disable PaX on hardened systems
+		pax-mark -mr "${bindir}"/src/runtime/sbcl
+
+		# Hack to disable PaX on second GENESIS stage
+		sed -i -e '/^[ \t]*echo \/\/doing warm init - compilation phase$/a\    paxmark.sh -mr \.\/src\/runtime\/sbcl' \
+			"${S}"/make-target-2.sh || die "Cannot disable PaX on second GENESIS runtime"
+	fi
+
+	# clear the environment to get rid of non-ASCII strings, see bug #174702
+	# set HOME for paludis
+	env - HOME="${T}" PATH="${PATH}" \
+		CC="$(tc-getCC)" AS="$(tc-getAS)" LD="$(tc-getLD)" \
+		CPPFLAGS="${CPPFLAGS}" CFLAGS="${CFLAGS}" ASFLAGS="${ASFLAGS}" LDFLAGS="${LDFLAGS}" \
+		GNUMAKE=make ./make.sh \
+		"sh ${bindir}/run-sbcl.sh --no-sysinit --no-userinit --disable-debugger" \
+		|| die "make failed"
+
+	# need to set HOME because libpango(used by graphviz) complains about it
+	if use doc; then
+		env - HOME="${T}" PATH="${PATH}" \
+			CL_SOURCE_REGISTRY="(:source-registry :ignore-inherited-configuration)" \
+			ASDF_OUTPUT_TRANSLATIONS="(:output-translations :ignore-inherited-configuration)" \
+			make -C doc/manual info html || die "Cannot build manual"
+		env - HOME="${T}" PATH="${PATH}" \
+			CL_SOURCE_REGISTRY="(:source-registry :ignore-inherited-configuration)" \
+			ASDF_OUTPUT_TRANSLATIONS="(:output-translations :ignore-inherited-configuration)" \
+			make -C doc/internals info html || die "Cannot build internal docs"
+	fi
+}
+
+src_test() {
+	ewarn "Unfortunately, it is known that some tests fail eg."
+	ewarn "run-program.impure.lisp. This is an issue of the upstream's"
+	ewarn "development and not of Gentoo's side. Please, before filing"
+	ewarn "any bug(s) search for older submissions. Thank you."
+	time ( cd tests && sh run-tests.sh )
+}
+
+src_install() {
+	# install system-wide initfile
+	dodir /etc/
+	sed 's/^X//' > "${ED}"/etc/sbclrc <<-EOF
+	;;; The following is required if you want source location functions to
+	;;; work in SLIME, for example.
+	X
+	(setf (logical-pathname-translations "SYS")
+	X      '(("SYS:SRC;**;*.*.*" #p"${EPREFIX}/usr/$(get_libdir)/sbcl/src/**/*.*")
+	X        ("SYS:CONTRIB;**;*.*.*" #p"${EPREFIX}/usr/$(get_libdir)/sbcl/**/*.*")))
+	X
+	;;; Setup ASDF2
+	(load "${EPREFIX}/etc/common-lisp/gentoo-init.lisp")
+	EOF
+
+	# Install documentation
+	unset SBCL_HOME
+	INSTALL_ROOT="${ED}/usr" LIB_DIR="${EPREFIX}/usr/$(get_libdir)" DOC_DIR="${ED}/usr/share/doc/${PF}" \
+		sh install.sh || die "install.sh failed"
+
+	# bug #517008
+	pax-mark -mr "${D}"/usr/bin/sbcl
+
+	# rm empty directories lest paludis complain about this
+	find "${ED}" -empty -type d -exec rmdir -v {} +
+
+	if use doc; then
+		dodoc -r doc/internals/sbcl-internals
+
+		doinfo doc/manual/*.info*
+		doinfo doc/internals/sbcl-internals.info
+
+		docinto internals-notes
+		dodoc doc/internals-notes/*
+	else
+		rm -Rv "${ED}/usr/share/doc/${PF}" || die
+	fi
+
+	# install the SBCL source
+	if use source; then
+		./clean.sh
+		cp -av src "${ED}/usr/$(get_libdir)/sbcl/" || die
+	fi
+
+	# necessary for running newly-saved images
+	echo "SBCL_HOME=${EPREFIX}/usr/$(get_libdir)/${PN}" > "${ENVD}"
+	echo "SBCL_SOURCE_ROOT=${EPREFIX}/usr/$(get_libdir)/${PN}/src" >> "${ENVD}"
+	doenvd "${ENVD}"
+}