sys-cluster/kubeadm: fix LICENSE for dependent

Closes: https://bugs.gentoo.org/695304
Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

sys-cluster/kubeadm/kubeadm-1.32.2.ebuild

@@ -2,21 +2,21 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-inherit bash-completion-r1 go-module
+
+inherit go-module toolchain-funcs shell-completion
 
 DESCRIPTION="CLI to Easily bootstrap a secure Kubernetes cluster"
 HOMEPAGE="https://kubernetes.io"
 SRC_URI="https://github.com/kubernetes/kubernetes/archive/v${PV}.tar.gz -> kubernetes-${PV}.tar.gz"
-
 S="${WORKDIR}/kubernetes-${PV}"
 
 LICENSE="Apache-2.0"
+# Dependent licenses
+LICENSE+=" Apache-2.0 BSD BSD-2 ISC MIT"
 SLOT="0"
 KEYWORDS="~amd64 ~arm64"
-
 IUSE="hardened selinux"
-
-RESTRICT+=" test"
+RESTRICT="test"
 
 RDEPEND="app-containers/cri-tools
 	selinux? ( sec-policy/selinux-kubernetes )"
@@ -25,13 +25,21 @@ BDEPEND=">=dev-lang/go-1.23.3"
 src_compile() {
 	CGO_LDFLAGS="$(usex hardened '-fno-PIC ' '')" FORCE_HOST_GO=yes \
 		emake -j1 GOFLAGS=-v GOLDFLAGS="" LDFLAGS="" WHAT=cmd/${PN}
+
+	if ! tc-is-cross-compiler; then
+		elog "generating shell completion files"
+		_output/bin/${PN} completion bash > ${PN}.bash || die
+		_output/bin/${PN} completion zsh > ${PN}.zsh || die
+	fi
 }
 
 src_install() {
 	dobin _output/bin/${PN}
-	_output/bin/${PN} completion bash > ${PN}.bash || die
-	_output/bin/${PN} completion zsh > ${PN}.zsh || die
-	newbashcomp ${PN}.bash ${PN}
-	insinto /usr/share/zsh/site-functions
-	newins ${PN}.zsh _${PN}
+
+	if ! tc-is-cross-compiler; then
+		newbashcomp ${PN}.bash ${PN}
+		newzshcomp ${PN}.zsh _${PN}
+	else
+		ewarn "Shell completion files not installed! Install them manually with '${PN} completion --help'"
+	fi
 }