diff --git a/sci-libs/flexiblas/Manifest b/sci-libs/flexiblas/Manifest
index 9ce4eebeb5bae..2e66ccc4bd44b 100644
--- a/sci-libs/flexiblas/Manifest
+++ b/sci-libs/flexiblas/Manifest
@@ -1,4 +1 @@
-DIST flexiblas-release-v3.4.82.tar.bz2 80430275 BLAKE2B 60791aa3a77ce7ad1e9e0ad1a6739e7c9d187328b78bb49014cfbf6d57316b8edd721141a8687e783d0cb78bbd8f6e0911b2557afaba1c262d9771d68c1679bf SHA512 2af8159e7a43265e4276cf759a75526c2294682276e186c73e22551dbbb1804d1e9e9414f9213c80589fb81d96510156bedd11db0c1e5ff10091da9e624b9f89
-DIST flexiblas-release-v3.4.83.tar.bz2 82671100 BLAKE2B bf836c690e7e2fe6ac3b79bbfac20abf68831e73a19010920c6d8a195a831e6c348736bb4763c54cbaebf3c94602f137bfc839e8f88c810434123c82871a4ba5 SHA512 51f1ecaa0ad2858558ddb47693ba2157ea252227aa05d04dd7c91ebfdfa0cb10cd449a8a8f75f851ab9b0f714a7d40456abd73238f007615fcf29313a24eafe3
-DIST flexiblas-release-v3.4.84.tar.bz2 82672070 BLAKE2B 492bdc14eb71a638c280540f2cf5b2d7908b8ee0c79822b735f10c2dd021605b18edf1217407d5476159653f115c74190c4647ad02ee65597294b348ab438590 SHA512 a6929507043970dc6d6d2ee072adcd996b2f48139ab55b74adc2b613ac3e5aaa6be0207b59cad98e240ffa641d80a28de4949d919822ab72ef0063a71532682f
 DIST flexiblas-release-v3.5.0.tar.bz2 82678136 BLAKE2B e7f6b53df70ca27d95ab8606c14b84e3e174c376e7ec91017d67bdc46971314beacc9c9bb90f9d9efac695aa9c237fc612f87238d1628654e309bbcedd227330 SHA512 8e2dc3edb054cef487b83d66132fc56f906a447f3cdc1ca2e32021a171813655829bca4a81877b675f0027ea318a3bf052610573eae60699ef1a5ff5a89ec499
diff --git a/sci-libs/flexiblas/files/flexiblas-3.4.82-xerbla-array.patch b/sci-libs/flexiblas/files/flexiblas-3.4.82-xerbla-array.patch
deleted file mode 100644
index 4df5e904eb9a4..0000000000000
--- a/sci-libs/flexiblas/files/flexiblas-3.4.82-xerbla-array.patch
+++ /dev/null
@@ -1,55 +0,0 @@
-diff --git a/src/xerbla.c b/src/xerbla.c
-index a12fc78e..209c0f23 100644
---- a/src/xerbla.c
-+++ b/src/xerbla.c
-@@ -42,6 +42,7 @@ void flexiblas_internal_xerbla(char *SNAME, Int *Info, flexiblas_fortran_charlen
- #ifdef __ELF__
- #pragma weak xerbla_
- #pragma weak xerbla
-+#pragma weak XERBLA
- void xerbla_(char *, Int *, flexiblas_fortran_charlen_t) __attribute__ (( alias ("flexiblas_internal_xerbla")));
- void xerbla(char *, Int *, flexiblas_fortran_charlen_t) __attribute__ (( alias ("flexiblas_internal_xerbla")));
- void XERBLA(char *, Int *, flexiblas_fortran_charlen_t) __attribute__ (( alias ("flexiblas_internal_xerbla")));
-@@ -130,6 +131,33 @@ void flexiblas_internal_xerbla(char *SNAME, Int *Info, flexiblas_fortran_charlen
-     return;
- }
- 
-+/* XERBLA_ARRAY handler */
-+
-+void xerbla_array_ (char *srname_array, Int *srname_len, Int *info, flexiblas_fortran_charlen_t srname_array_len)
-+{
-+    size_t k = 0;
-+    size_t len = 0;
-+    if (*srname_len > 0 ) len = (int) *srname_len;
-+    (void) srname_array_len;
-+    char tmp[len+1];
-+    tmp[len] = '\0';
-+
-+    for(k = 0; k < len; k++) tmp[k] = srname_array[k];
-+
-+    flexiblas_internal_xerbla(tmp, info, len);
-+    return;
-+}
-+
-+void xerbla_array(char *srname_array, Int *srname_len, Int *info, flexiblas_fortran_charlen_t srname_array_len)
-+{
-+    xerbla_array_(srname_array, srname_len, info, srname_array_len);
-+}
-+
-+void XERBLA_ARRAY(char *srname_array, Int *srname_len, Int *info, flexiblas_fortran_charlen_t srname_array_len)
-+{
-+    xerbla_array_(srname_array, srname_len, info, srname_array_len);
-+}
-+
- 
- 
- /*
-@@ -155,7 +183,7 @@ void internal_cblas_xerbla(CBLAS_INT _info, const char *rout, const char *form,
-     va_list argptr;
- 
-     va_start(argptr, form);
--    Int info = _info; 
-+    Int info = _info;
- 
-     if (RowMajorStrg)
-     {
diff --git a/sci-libs/flexiblas/flexiblas-3.4.82-r4.ebuild b/sci-libs/flexiblas/flexiblas-3.4.82-r4.ebuild
deleted file mode 100644
index 6b53fa3ec3e55..0000000000000
--- a/sci-libs/flexiblas/flexiblas-3.4.82-r4.ebuild
+++ /dev/null
@@ -1,273 +0,0 @@
-# Copyright 2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake multilib toolchain-funcs
-
-MY_P=flexiblas-release-v${PV}
-DESCRIPTION="A BLAS and LAPACK wrapper library with runtime exchangable backends"
-HOMEPAGE="
-	https://www.mpi-magdeburg.mpg.de/projects/flexiblas/
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/
-"
-SRC_URI="
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/-/archive/v${PV}/${MY_P}.tar.bz2
-"
-S=${WORKDIR}/${MY_P}
-
-# BSD for vendored cblas/lapacke
-LICENSE="LGPL-3+ BSD"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~x86"
-IUSE="blis index64 mkl openblas openmp system-blas tbb test"
-RESTRICT="!test? ( test )"
-
-# flexiblas only supports gnu-openmp using clang/gcc
-DEPEND="
-	sci-libs/lapack:=[deprecated,index64(-)?]
-	blis? ( sci-libs/blis:=[-64bit-index(-),index64(-)?] )
-	mkl? (
-		sci-libs/mkl:=[tbb?]
-		openmp? ( sci-libs/mkl[gnu-openmp] )
-	)
-	openblas? ( sci-libs/openblas:=[index64(-)?] )
-	system-blas? ( sci-libs/lapack[flexiblas(-)] )
-"
-RDEPEND="
-	${DEPEND}
-	system-blas? (
-		!app-eselect/eselect-blas
-		!app-eselect/eselect-cblas
-		!app-eselect/eselect-lapack
-		!sci-libs/lapack[-flexiblas(-)]
-		!=sci-libs/blas-lapack-aux-wrapper-0-r0
-	)
-"
-PDEPEND="
-	system-blas? (
-		>=sci-libs/blas-lapack-aux-wrapper-0-r1[index64?]
-	)
-"
-
-pkg_pretend() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-pkg_setup() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-src_prepare() {
-	local PATCHES=(
-		# extracted from
-		# https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/-/commit/04021ceada30f136036a22dc6c811b3d352b199d
-		"${FILESDIR}/${P}-xerbla-array.patch"
-	)
-
-	cmake_src_prepare
-
-	# remove bundled netlib blas/lapack
-	# (we still need vendored cblas/lapacke)
-	rm -r contributed/lapack-* || die
-}
-
-src_configure() {
-	BACKENDS=( $(usev blis) $(usev openblas) )
-	local extra=${BACKENDS[*]}
-	local libdir="${ESYSROOT}/usr/$(get_libdir)"
-	local mycmakeargs=(
-		-DTESTS=$(usex test)
-		-DCBLAS=ON
-		-DINTEGER8=OFF
-		-DLAPACK=ON
-		-DLINK_OPENMP=$(usex openmp)
-		-DEXAMPLES=OFF
-		# prefer OpenBLAS if available
-		-DFLEXIBLAS_DEFAULT=$(usex openblas openblas netlib)
-		# we need to enable autodetection for mkl
-		-DBLAS_AUTO_DETECT=ON
-		# ...so we need to explicitly disable autodetecting other libraries
-		# that would be pinned to their openmp/pthread/serial variants
-		-DOpenBLASSerial=OFF
-		-DOpenBLASPThread=OFF
-		-DOpenBLASOpenMP=OFF
-		-DOpenBLASSerial64=OFF
-		-DOpenBLASPThread64=OFF
-		-DOpenBLASOpenMP64=OFF
-		-DBlisSerial=OFF
-		-DBlisPThread=OFF
-		-DBlisOpenMP=OFF
-		-DBlisSerial64=OFF
-		-DBlisPThread64=OFF
-		-DBlisOpenMP64=OFF
-		# variants we use autodetection for
-		-DMklSerial=$(usex mkl ON OFF)
-		-DMklOpenMP=$(usex mkl "$(usex openmp ON OFF)" OFF)
-		-DMklTBB=$(usex mkl "$(usex tbb ON OFF)" OFF)
-		# unsupported
-		-DCMAKE_DISABLE_FIND_PACKAGE_nvpl=ON
-		-DATLAS=OFF
-		-DTATLAS=OFF
-		# and then enable our custom names via EXTRA
-		-DEXTRA="${extra// /;}"
-		# respect CFLAGS
-		-DLTO=OFF
-		# these are used only with -DEXTRA
-		-Dblis_LIBRARY="${libdir}/libblis.so"
-		-Dopenblas_LIBRARY="${libdir}/libopenblas.so"
-	)
-
-	# use system sci-libs/lapack
-	if use system-blas; then
-		# this is sci-libs/lapack[flexiblas] install
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas-reference.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack-reference.so"
-		)
-	else
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack.so"
-		)
-	fi
-
-	cmake_src_configure
-
-	if use index64; then
-		mycmakeargs+=(
-			-DINTEGER8=ON
-			-Dblis_LIBRARY="${libdir}/libblis64.so"
-			-Dopenblas_LIBRARY="${libdir}/libopenblas64.so"
-		)
-
-		if use system-blas; then
-			# this is sci-libs/lapack[flexiblas] install
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64-reference.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64-reference.so"
-			)
-		else
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64.so"
-			)
-		fi
-
-		BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_configure
-	fi
-
-	BACKENDS+=( netlib )
-	BACKENDS_ILP64=( "${BACKENDS[@]}" )
-	if use mkl; then
-		BACKENDS+=(
-			MklSerial
-			$(usev openmp MklOpenMP)
-			$(usev tbb MklTBB)
-		)
-		BACKENDS_ILP64+=(
-			MklSerial64
-			$(usev openmp MklOpenMP64)
-			$(usev tbb MklTBB64)
-		)
-	fi
-}
-
-src_compile() {
-	cmake_src_compile
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_compile
-}
-
-my_test() {
-	# We run tests in parallel, so avoid having n^2 threads.
-	local -x BLIS_NUM_THREADS=1
-	local -x MKL_NUM_THREADS=1
-	local -x OMP_NUM_THREADS=1
-	local -x OPENBLAS_NUM_THREADS=1
-
-	local backend
-	for backend in "${@}"; do
-		local args=()
-		if [[ ${backend} == Mkl* ]]; then
-			# XFAIL
-			args+=( -E 'cblat[23]' )
-		fi
-
-		local -x FLEXIBLAS_TEST=${backend}
-		local log=${BUILD_DIR}/Testing/Temporary/LastTest.log
-		einfo "Testing backend ${backend}"
-		cmake_src_test "${args[@]}"
-		if grep -q 'BLAS backend .* not found' "${log}"; then
-			die "Backend ${backend} failed to load while testing, see ${log}"
-		fi
-	done
-}
-
-src_test() {
-	my_test "${BACKENDS[@]}"
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 my_test "${BACKENDS_ILP64[@]}"
-}
-
-verify_backends() {
-	local lib=${1}
-	shift
-	cd "${ED}/usr/$(get_libdir)/${lib}" || die
-
-	local missing=()
-	local backend
-	for backend in "${@}"; do
-		if [[ ! -f libflexiblas_${backend,,}$(get_libname) ]]; then
-			missing+=( "${backend}" )
-		fi
-	done
-
-	if [[ ${missing[@]} ]]; then
-		die "Not all requested ${lib} backends built. Missing: ${missing[*]}"
-	fi
-}
-
-src_install() {
-	cmake_src_install
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_install
-
-	# Verify built backends.
-	verify_backends flexiblas "${BACKENDS[@]}"
-	use index64 && verify_backends flexiblas64 "${BACKENDS_ILP64[@]}"
-
-	# Install symlinks for system BLAS / LAPACK use.
-	if use system-blas; then
-		local libdir="/usr/$(get_libdir)"
-		local fn suffix
-		for fn in cblas.h lapack.h lapacke{,_config,_mangling,_utils}.h; do
-			dosym "flexiblas/${fn}" "/usr/include/${fn}"
-		done
-
-		for suffix in '' $(usev index64 64); do
-			for fn in blas cblas lapack lapacke; do
-				dosym "libflexiblas${suffix}.so.3" \
-					"${libdir}/lib${fn}${suffix}.so.3"
-			done
-		done
-	fi
-}
-
-pkg_postinst() {
-	if use system-blas; then
-		# eselect-{blas,lapack} doesn't clean up its configs
-		local prev_opt=$(shopt -p nullglob)
-		shopt -s nullglob
-		local files=(
-			"${EROOT}"/etc/ld.so.conf.d/81-blas-*.conf
-			"${EROOT}"/etc/ld.so.conf.d/82-lapack-*.conf
-		)
-		${prev_opt}
-
-		if [[ ${files[@]} ]]; then
-			rm -v "${files[@]}"
-		fi
-	fi
-}
diff --git a/sci-libs/flexiblas/flexiblas-3.4.83.ebuild b/sci-libs/flexiblas/flexiblas-3.4.83.ebuild
deleted file mode 100644
index 8bbc65c26a867..0000000000000
--- a/sci-libs/flexiblas/flexiblas-3.4.83.ebuild
+++ /dev/null
@@ -1,267 +0,0 @@
-# Copyright 2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake multilib toolchain-funcs
-
-MY_P=flexiblas-release-v${PV}
-DESCRIPTION="A BLAS and LAPACK wrapper library with runtime exchangable backends"
-HOMEPAGE="
-	https://www.mpi-magdeburg.mpg.de/projects/flexiblas/
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/
-"
-SRC_URI="
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/-/archive/v${PV}/${MY_P}.tar.bz2
-"
-S=${WORKDIR}/${MY_P}
-
-# BSD for vendored cblas/lapacke
-LICENSE="LGPL-3+ BSD"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~x86"
-IUSE="blis index64 mkl openblas openmp system-blas tbb test"
-RESTRICT="!test? ( test )"
-
-# flexiblas only supports gnu-openmp using clang/gcc
-DEPEND="
-	sci-libs/lapack:=[deprecated,index64(-)?]
-	blis? ( sci-libs/blis:=[-64bit-index(-),index64(-)?] )
-	mkl? (
-		sci-libs/mkl:=[tbb?]
-		openmp? ( sci-libs/mkl[gnu-openmp] )
-	)
-	openblas? ( sci-libs/openblas:=[index64(-)?] )
-	system-blas? ( sci-libs/lapack[flexiblas(-)] )
-"
-RDEPEND="
-	${DEPEND}
-	system-blas? (
-		!app-eselect/eselect-blas
-		!app-eselect/eselect-cblas
-		!app-eselect/eselect-lapack
-		!sci-libs/lapack[-flexiblas(-)]
-		!=sci-libs/blas-lapack-aux-wrapper-0-r0
-	)
-"
-PDEPEND="
-	system-blas? (
-		>=sci-libs/blas-lapack-aux-wrapper-0-r1[index64?]
-	)
-"
-
-pkg_pretend() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-pkg_setup() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-src_prepare() {
-	cmake_src_prepare
-
-	# remove bundled netlib blas/lapack
-	# (we still need vendored cblas/lapacke)
-	rm -r contributed/lapack-* || die
-}
-
-src_configure() {
-	BACKENDS=( $(usev blis) $(usev openblas) )
-	local extra=${BACKENDS[*]}
-	local libdir="${ESYSROOT}/usr/$(get_libdir)"
-	local mycmakeargs=(
-		-DTESTS=$(usex test)
-		-DCBLAS=ON
-		-DINTEGER8=OFF
-		-DLAPACK=ON
-		-DLINK_OPENMP=$(usex openmp)
-		-DEXAMPLES=OFF
-		# prefer OpenBLAS if available
-		-DFLEXIBLAS_DEFAULT=$(usex openblas openblas netlib)
-		# we need to enable autodetection for mkl
-		-DBLAS_AUTO_DETECT=ON
-		# ...so we need to explicitly disable autodetecting other libraries
-		# that would be pinned to their openmp/pthread/serial variants
-		-DOpenBLASSerial=OFF
-		-DOpenBLASPThread=OFF
-		-DOpenBLASOpenMP=OFF
-		-DOpenBLASSerial64=OFF
-		-DOpenBLASPThread64=OFF
-		-DOpenBLASOpenMP64=OFF
-		-DBlisSerial=OFF
-		-DBlisPThread=OFF
-		-DBlisOpenMP=OFF
-		-DBlisSerial64=OFF
-		-DBlisPThread64=OFF
-		-DBlisOpenMP64=OFF
-		# variants we use autodetection for
-		-DMklSerial=$(usex mkl ON OFF)
-		-DMklOpenMP=$(usex mkl "$(usex openmp ON OFF)" OFF)
-		-DMklTBB=$(usex mkl "$(usex tbb ON OFF)" OFF)
-		# unsupported
-		-DCMAKE_DISABLE_FIND_PACKAGE_nvpl=ON
-		-DATLAS=OFF
-		-DTATLAS=OFF
-		# and then enable our custom names via EXTRA
-		-DEXTRA="${extra// /;}"
-		# respect CFLAGS
-		-DLTO=OFF
-		# these are used only with -DEXTRA
-		-Dblis_LIBRARY="${libdir}/libblis.so"
-		-Dopenblas_LIBRARY="${libdir}/libopenblas.so"
-	)
-
-	# use system sci-libs/lapack
-	if use system-blas; then
-		# this is sci-libs/lapack[flexiblas] install
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas-reference.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack-reference.so"
-		)
-	else
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack.so"
-		)
-	fi
-
-	cmake_src_configure
-
-	if use index64; then
-		mycmakeargs+=(
-			-DINTEGER8=ON
-			-Dblis_LIBRARY="${libdir}/libblis64.so"
-			-Dopenblas_LIBRARY="${libdir}/libopenblas64.so"
-		)
-
-		if use system-blas; then
-			# this is sci-libs/lapack[flexiblas] install
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64-reference.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64-reference.so"
-			)
-		else
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64.so"
-			)
-		fi
-
-		BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_configure
-	fi
-
-	BACKENDS+=( netlib )
-	BACKENDS_ILP64=( "${BACKENDS[@]}" )
-	if use mkl; then
-		BACKENDS+=(
-			MklSerial
-			$(usev openmp MklOpenMP)
-			$(usev tbb MklTBB)
-		)
-		BACKENDS_ILP64+=(
-			MklSerial64
-			$(usev openmp MklOpenMP64)
-			$(usev tbb MklTBB64)
-		)
-	fi
-}
-
-src_compile() {
-	cmake_src_compile
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_compile
-}
-
-my_test() {
-	# We run tests in parallel, so avoid having n^2 threads.
-	local -x BLIS_NUM_THREADS=1
-	local -x MKL_NUM_THREADS=1
-	local -x OMP_NUM_THREADS=1
-	local -x OPENBLAS_NUM_THREADS=1
-
-	local backend
-	for backend in "${@}"; do
-		local args=()
-		if [[ ${backend} == Mkl* ]]; then
-			# XFAIL
-			args+=( -E 'cblat[23]' )
-		fi
-
-		local -x FLEXIBLAS_TEST=${backend}
-		local log=${BUILD_DIR}/Testing/Temporary/LastTest.log
-		einfo "Testing backend ${backend}"
-		cmake_src_test "${args[@]}"
-		if grep -q 'BLAS backend .* not found' "${log}"; then
-			die "Backend ${backend} failed to load while testing, see ${log}"
-		fi
-	done
-}
-
-src_test() {
-	my_test "${BACKENDS[@]}"
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 my_test "${BACKENDS_ILP64[@]}"
-}
-
-verify_backends() {
-	local lib=${1}
-	shift
-	cd "${ED}/usr/$(get_libdir)/${lib}" || die
-
-	local missing=()
-	local backend
-	for backend in "${@}"; do
-		if [[ ! -f libflexiblas_${backend,,}$(get_libname) ]]; then
-			missing+=( "${backend}" )
-		fi
-	done
-
-	if [[ ${missing[@]} ]]; then
-		die "Not all requested ${lib} backends built. Missing: ${missing[*]}"
-	fi
-}
-
-src_install() {
-	cmake_src_install
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_install
-
-	# Verify built backends.
-	verify_backends flexiblas "${BACKENDS[@]}"
-	use index64 && verify_backends flexiblas64 "${BACKENDS_ILP64[@]}"
-
-	# Install symlinks for system BLAS / LAPACK use.
-	if use system-blas; then
-		local libdir="/usr/$(get_libdir)"
-		local fn suffix
-		for fn in cblas.h lapack.h lapacke{,_config,_mangling,_utils}.h; do
-			dosym "flexiblas/${fn}" "/usr/include/${fn}"
-		done
-
-		for suffix in '' $(usev index64 64); do
-			for fn in blas cblas lapack lapacke; do
-				dosym "libflexiblas${suffix}.so.3" \
-					"${libdir}/lib${fn}${suffix}.so.3"
-			done
-		done
-	fi
-}
-
-pkg_postinst() {
-	if use system-blas; then
-		# eselect-{blas,lapack} doesn't clean up its configs
-		local prev_opt=$(shopt -p nullglob)
-		shopt -s nullglob
-		local files=(
-			"${EROOT}"/etc/ld.so.conf.d/81-blas-*.conf
-			"${EROOT}"/etc/ld.so.conf.d/82-lapack-*.conf
-		)
-		${prev_opt}
-
-		if [[ ${files[@]} ]]; then
-			rm -v "${files[@]}"
-		fi
-	fi
-}
diff --git a/sci-libs/flexiblas/flexiblas-3.4.84.ebuild b/sci-libs/flexiblas/flexiblas-3.4.84.ebuild
deleted file mode 100644
index 8bbc65c26a867..0000000000000
--- a/sci-libs/flexiblas/flexiblas-3.4.84.ebuild
+++ /dev/null
@@ -1,267 +0,0 @@
-# Copyright 2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake multilib toolchain-funcs
-
-MY_P=flexiblas-release-v${PV}
-DESCRIPTION="A BLAS and LAPACK wrapper library with runtime exchangable backends"
-HOMEPAGE="
-	https://www.mpi-magdeburg.mpg.de/projects/flexiblas/
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/
-"
-SRC_URI="
-	https://gitlab.mpi-magdeburg.mpg.de/software/flexiblas-release/-/archive/v${PV}/${MY_P}.tar.bz2
-"
-S=${WORKDIR}/${MY_P}
-
-# BSD for vendored cblas/lapacke
-LICENSE="LGPL-3+ BSD"
-SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~x86"
-IUSE="blis index64 mkl openblas openmp system-blas tbb test"
-RESTRICT="!test? ( test )"
-
-# flexiblas only supports gnu-openmp using clang/gcc
-DEPEND="
-	sci-libs/lapack:=[deprecated,index64(-)?]
-	blis? ( sci-libs/blis:=[-64bit-index(-),index64(-)?] )
-	mkl? (
-		sci-libs/mkl:=[tbb?]
-		openmp? ( sci-libs/mkl[gnu-openmp] )
-	)
-	openblas? ( sci-libs/openblas:=[index64(-)?] )
-	system-blas? ( sci-libs/lapack[flexiblas(-)] )
-"
-RDEPEND="
-	${DEPEND}
-	system-blas? (
-		!app-eselect/eselect-blas
-		!app-eselect/eselect-cblas
-		!app-eselect/eselect-lapack
-		!sci-libs/lapack[-flexiblas(-)]
-		!=sci-libs/blas-lapack-aux-wrapper-0-r0
-	)
-"
-PDEPEND="
-	system-blas? (
-		>=sci-libs/blas-lapack-aux-wrapper-0-r1[index64?]
-	)
-"
-
-pkg_pretend() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-pkg_setup() {
-	if [[ ${MERGE_TYPE} != binary ]] && use openmp; then
-		tc-check-openmp
-	fi
-}
-
-src_prepare() {
-	cmake_src_prepare
-
-	# remove bundled netlib blas/lapack
-	# (we still need vendored cblas/lapacke)
-	rm -r contributed/lapack-* || die
-}
-
-src_configure() {
-	BACKENDS=( $(usev blis) $(usev openblas) )
-	local extra=${BACKENDS[*]}
-	local libdir="${ESYSROOT}/usr/$(get_libdir)"
-	local mycmakeargs=(
-		-DTESTS=$(usex test)
-		-DCBLAS=ON
-		-DINTEGER8=OFF
-		-DLAPACK=ON
-		-DLINK_OPENMP=$(usex openmp)
-		-DEXAMPLES=OFF
-		# prefer OpenBLAS if available
-		-DFLEXIBLAS_DEFAULT=$(usex openblas openblas netlib)
-		# we need to enable autodetection for mkl
-		-DBLAS_AUTO_DETECT=ON
-		# ...so we need to explicitly disable autodetecting other libraries
-		# that would be pinned to their openmp/pthread/serial variants
-		-DOpenBLASSerial=OFF
-		-DOpenBLASPThread=OFF
-		-DOpenBLASOpenMP=OFF
-		-DOpenBLASSerial64=OFF
-		-DOpenBLASPThread64=OFF
-		-DOpenBLASOpenMP64=OFF
-		-DBlisSerial=OFF
-		-DBlisPThread=OFF
-		-DBlisOpenMP=OFF
-		-DBlisSerial64=OFF
-		-DBlisPThread64=OFF
-		-DBlisOpenMP64=OFF
-		# variants we use autodetection for
-		-DMklSerial=$(usex mkl ON OFF)
-		-DMklOpenMP=$(usex mkl "$(usex openmp ON OFF)" OFF)
-		-DMklTBB=$(usex mkl "$(usex tbb ON OFF)" OFF)
-		# unsupported
-		-DCMAKE_DISABLE_FIND_PACKAGE_nvpl=ON
-		-DATLAS=OFF
-		-DTATLAS=OFF
-		# and then enable our custom names via EXTRA
-		-DEXTRA="${extra// /;}"
-		# respect CFLAGS
-		-DLTO=OFF
-		# these are used only with -DEXTRA
-		-Dblis_LIBRARY="${libdir}/libblis.so"
-		-Dopenblas_LIBRARY="${libdir}/libopenblas.so"
-	)
-
-	# use system sci-libs/lapack
-	if use system-blas; then
-		# this is sci-libs/lapack[flexiblas] install
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas-reference.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack-reference.so"
-		)
-	else
-		mycmakeargs+=(
-			-DSYS_BLAS_LIBRARY="${libdir}/libblas.so"
-			-DSYS_LAPACK_LIBRARY="${libdir}/liblapack.so"
-		)
-	fi
-
-	cmake_src_configure
-
-	if use index64; then
-		mycmakeargs+=(
-			-DINTEGER8=ON
-			-Dblis_LIBRARY="${libdir}/libblis64.so"
-			-Dopenblas_LIBRARY="${libdir}/libopenblas64.so"
-		)
-
-		if use system-blas; then
-			# this is sci-libs/lapack[flexiblas] install
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64-reference.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64-reference.so"
-			)
-		else
-			mycmakeargs+=(
-				-DSYS_BLAS_LIBRARY="${libdir}/libblas64.so"
-				-DSYS_LAPACK_LIBRARY="${libdir}/liblapack64.so"
-			)
-		fi
-
-		BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_configure
-	fi
-
-	BACKENDS+=( netlib )
-	BACKENDS_ILP64=( "${BACKENDS[@]}" )
-	if use mkl; then
-		BACKENDS+=(
-			MklSerial
-			$(usev openmp MklOpenMP)
-			$(usev tbb MklTBB)
-		)
-		BACKENDS_ILP64+=(
-			MklSerial64
-			$(usev openmp MklOpenMP64)
-			$(usev tbb MklTBB64)
-		)
-	fi
-}
-
-src_compile() {
-	cmake_src_compile
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_compile
-}
-
-my_test() {
-	# We run tests in parallel, so avoid having n^2 threads.
-	local -x BLIS_NUM_THREADS=1
-	local -x MKL_NUM_THREADS=1
-	local -x OMP_NUM_THREADS=1
-	local -x OPENBLAS_NUM_THREADS=1
-
-	local backend
-	for backend in "${@}"; do
-		local args=()
-		if [[ ${backend} == Mkl* ]]; then
-			# XFAIL
-			args+=( -E 'cblat[23]' )
-		fi
-
-		local -x FLEXIBLAS_TEST=${backend}
-		local log=${BUILD_DIR}/Testing/Temporary/LastTest.log
-		einfo "Testing backend ${backend}"
-		cmake_src_test "${args[@]}"
-		if grep -q 'BLAS backend .* not found' "${log}"; then
-			die "Backend ${backend} failed to load while testing, see ${log}"
-		fi
-	done
-}
-
-src_test() {
-	my_test "${BACKENDS[@]}"
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 my_test "${BACKENDS_ILP64[@]}"
-}
-
-verify_backends() {
-	local lib=${1}
-	shift
-	cd "${ED}/usr/$(get_libdir)/${lib}" || die
-
-	local missing=()
-	local backend
-	for backend in "${@}"; do
-		if [[ ! -f libflexiblas_${backend,,}$(get_libname) ]]; then
-			missing+=( "${backend}" )
-		fi
-	done
-
-	if [[ ${missing[@]} ]]; then
-		die "Not all requested ${lib} backends built. Missing: ${missing[*]}"
-	fi
-}
-
-src_install() {
-	cmake_src_install
-	use index64 && BUILD_DIR=${BUILD_DIR}-ilp64 cmake_src_install
-
-	# Verify built backends.
-	verify_backends flexiblas "${BACKENDS[@]}"
-	use index64 && verify_backends flexiblas64 "${BACKENDS_ILP64[@]}"
-
-	# Install symlinks for system BLAS / LAPACK use.
-	if use system-blas; then
-		local libdir="/usr/$(get_libdir)"
-		local fn suffix
-		for fn in cblas.h lapack.h lapacke{,_config,_mangling,_utils}.h; do
-			dosym "flexiblas/${fn}" "/usr/include/${fn}"
-		done
-
-		for suffix in '' $(usev index64 64); do
-			for fn in blas cblas lapack lapacke; do
-				dosym "libflexiblas${suffix}.so.3" \
-					"${libdir}/lib${fn}${suffix}.so.3"
-			done
-		done
-	fi
-}
-
-pkg_postinst() {
-	if use system-blas; then
-		# eselect-{blas,lapack} doesn't clean up its configs
-		local prev_opt=$(shopt -p nullglob)
-		shopt -s nullglob
-		local files=(
-			"${EROOT}"/etc/ld.so.conf.d/81-blas-*.conf
-			"${EROOT}"/etc/ld.so.conf.d/82-lapack-*.conf
-		)
-		${prev_opt}
-
-		if [[ ${files[@]} ]]; then
-			rm -v "${files[@]}"
-		fi
-	fi
-}