diff --git a/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/metadata.xml b/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/metadata.xml
new file mode 100644
index 0000000000..20bceb3089
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/metadata.xml
@@ -0,0 +1,16 @@
+<?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>vimproved@inventati.org</email>
+		<name>Violet Purcell</name>
+	</maintainer>
+	<use>
+		<flag name="reference">Symlink to dev-util/ninja.</flag>
+		<flag name="samurai">Symlink to dev-util/samurai.</flag>
+	</use>
+</pkgmetadata>
diff --git a/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/ninja-1.ebuild b/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/ninja-1.ebuild
new file mode 100644
index 0000000000..419eabab35
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/app-alternatives/ninja/ninja-1.ebuild
@@ -0,0 +1,27 @@
+# Copyright 2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+ALTERNATIVES=(
+	"reference:>=dev-util/ninja-1.11.1-r3"
+	samurai:dev-util/samurai
+)
+
+inherit app-alternatives
+
+DESCRIPTION="ninja symlinks"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+
+RDEPEND="!<dev-util/ninja-1.11.1-r3"
+
+src_install() {
+	local alt=$(get_alternative)
+
+	case ${alt} in
+		reference) alt=ninja-reference;;
+		samurai) alt=samu;;
+	esac
+
+	dosym "${alt}" /usr/bin/ninja
+}