diff --git a/app-alternatives/bzip2/bzip2-0.ebuild b/app-alternatives/bzip2/bzip2-0.ebuild
new file mode 100644
index 0000000000000..50e36d3cc7b2b
--- /dev/null
+++ b/app-alternatives/bzip2/bzip2-0.ebuild
@@ -0,0 +1,51 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="bzip2 symlink"
+HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Base/Alternatives"
+SRC_URI=""
+S=${WORKDIR}
+
+LICENSE="CC0-1.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="lbzip2 pbzip2 +reference split-usr"
+REQUIRED_USE="^^ ( lbzip2 pbzip2 reference )"
+
+RDEPEND="
+	lbzip2? ( app-arch/lbzip2[-symlink(-)] )
+	pbzip2? ( app-arch/pbzip2[-symlink(-)] )
+	reference? ( >=app-arch/bzip2-1.0.8-r4 )
+	!<app-arch/bzip2-1.0.8-r4
+	!app-arch/lbzip2[symlink(-)]
+	!app-arch/pbzip2[symlink(-)]
+"
+
+src_install() {
+	local usr_prefix=
+	use split-usr && usr_prefix=../usr/bin/
+
+	if use lbzip2; then
+		dosym "${usr_prefix}lbzip2" /bin/bzip2
+		newman - bzip2.1 <<<".so lbzip2.1"
+		newman - bunzip2.1 <<<".so lbzip2.1"
+		newman - bzcat.1 <<<".so lbzip2.1"
+	elif use pbzip2; then
+		dosym "${usr_prefix}pbzip2" /bin/bzip2
+		newman - bzip2.1 <<<".so pbzip2.1"
+		newman - bunzip2.1 <<<".so pbzip2.1"
+		newman - bzcat.1 <<<".so pbzip2.1"
+	elif use reference; then
+		dosym bzip2-reference /bin/bzip2
+		newman - bzip2.1 <<<".so bzip2-reference.1"
+		newman - bunzip2.1 <<<".so bzip2-reference.1"
+		newman - bzcat.1 <<<".so bzip2-reference.1"
+	else
+		die "Invalid USE flag combination (broken REQUIRED_USE?)"
+	fi
+
+	dosym bzip2 /bin/bunzip2
+	dosym bzip2 /bin/bzcat
+}
diff --git a/app-alternatives/bzip2/metadata.xml b/app-alternatives/bzip2/metadata.xml
new file mode 100644
index 0000000000000..d177d0b254ef4
--- /dev/null
+++ b/app-alternatives/bzip2/metadata.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+		<name>Gentoo Base System</name>
+	</maintainer>
+	<maintainer type="person">
+		<email>mgorny@gentoo.org</email>
+		<name>Michał Górny</name>
+	</maintainer>
+	<use>
+		<flag name="lbzip2">
+			Symlink to <pkg>app-arch/lbzip2</pkg>.
+		</flag>
+		<flag name="pbzip2">
+			Symlink to <pkg>app-arch/pbzip2</pkg>.
+		</flag>
+		<flag name="reference">
+			Symlink to <pkg>app-arch/bzip2</pkg>.
+		</flag>
+	</use>
+</pkgmetadata>
diff --git a/profiles/arch/riscv/package.use.mask b/profiles/arch/riscv/package.use.mask
index a73e5c8b471f9..89d2866175dac 100644
--- a/profiles/arch/riscv/package.use.mask
+++ b/profiles/arch/riscv/package.use.mask
@@ -1,6 +1,10 @@
 # Copyright 2019-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Michał Górny <mgorny@gentoo.org> (2022-11-30)
+# Mask unkeyworded providers.
+app-alternatives/bzip2 pbzip2
+
 # Yixun Lan <dlan@gentoo.org> (2022-11-24)
 # depend on dev-libs/libpcre2[jit] which not supported yet, bug #879511
 www-servers/varnish jit