diff --git a/profiles/features/musl/package.mask b/profiles/features/musl/package.mask
index 0e745d52990c3..653d0b7c7e693 100644
--- a/profiles/features/musl/package.mask
+++ b/profiles/features/musl/package.mask
@@ -1,6 +1,10 @@
 # Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Michał Górny <mgorny@gentoo.org> (2025-09-28)
+# Required DT_AUXILIARY support in the dynamic linker.
+sci-libs/blas-lapack-aux-wrappers
+
 # PPN-SD <nicolas.parlant@parhuet.fr> (2025-07-28)
 # Bundled pcap-thread, not ported to musl
 # bug #713498, https://github.com/DNS-OARC/pcap-thread/issues/128
diff --git a/sci-libs/blas-lapack-aux-wrapper/Manifest b/sci-libs/blas-lapack-aux-wrapper/Manifest
new file mode 100644
index 0000000000000..4cf768a27fe8e
--- /dev/null
+++ b/sci-libs/blas-lapack-aux-wrapper/Manifest
@@ -0,0 +1 @@
+DIST blas-lapack-aux-wrapper-0.tar.xz 8356 BLAKE2B 765c1efad487d449064892ba8213232b245cb33159dcc35c3fda2552f72d8097ff8e21e711b81c4598a9c76a6ce2314fd86a5a1f171917f079ddb008d5547d64 SHA512 412662a79f2c01a12a0ac4e656710675487036172704ab88093f04626c5adb4770503b65184ce8546ac10d8b522ee2241cb6e638ccfc10a005bf6d55597a3830
diff --git a/sci-libs/blas-lapack-aux-wrapper/blas-lapack-aux-wrapper-0.ebuild b/sci-libs/blas-lapack-aux-wrapper/blas-lapack-aux-wrapper-0.ebuild
new file mode 100644
index 0000000000000..8644113f80792
--- /dev/null
+++ b/sci-libs/blas-lapack-aux-wrapper/blas-lapack-aux-wrapper-0.ebuild
@@ -0,0 +1,40 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+
+inherit meson python-any-r1
+
+DESCRIPTION="BLAS/LAPACK wrappers for FlexiBLAS"
+HOMEPAGE="https://gitweb.gentoo.org/proj/blas-lapack-aux-wrapper.git/"
+SRC_URI="https://dev.gentoo.org/~mgorny/dist/${P}.tar.xz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="index64"
+
+RDEPEND="
+	!sci-libs/lapack[-flexiblas(-)]
+	sci-libs/flexiblas:=[index64(-)?]
+"
+DEPEND="
+	${RDEPEND}
+	sci-libs/lapack:=[flexiblas(-),index64?,lapacke]
+"
+BDEPEND="
+	${PYTHON_DEPS}
+"
+
+# we do not call the compiler, only the linker
+QA_FLAGS_IGNORED=".*"
+
+src_configure() {
+	local emesonargs=(
+		-Dilp64=$(usex index64 true false)
+	)
+
+	meson_src_configure
+}
diff --git a/sci-libs/blas-lapack-aux-wrapper/metadata.xml b/sci-libs/blas-lapack-aux-wrapper/metadata.xml
new file mode 100644
index 0000000000000..ecbab1c9339fa
--- /dev/null
+++ b/sci-libs/blas-lapack-aux-wrapper/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>mgorny@gentoo.org</email>
+		<name>Michał Górny</name>
+	</maintainer>
+	<use>
+		<flag name="index64">Create ILP64 wrappers as well</flag>
+	</use>
+</pkgmetadata>