net-misc/netplan: add musl libc compat patch

net-misc/netplan/netplan-1.1.1.ebuild

@@ -18,7 +18,7 @@ SLOT="0"
 
 KEYWORDS="~amd64"
 
-IUSE="examples +systemd +bash-completion test lto"
+IUSE="elibc_musl +examples +systemd +bash-completion test lto"
 REQUIRED_USE="systemd bash-completion"
 
 DEPEND=">=dev-libs/glib-2.64.3
@@ -44,12 +44,22 @@ RDEPEND=">=dev-python/netifaces-0.10.9
          app-shells/bash-completion
 "
 
-PATCHES=(
-        "${FILESDIR}/0001-build-add-Gentoo-compat.patch"
-)
-
 distutils_enable_sphinx doc
 
+src_prepare() {
+        local PATCHES=(
+                "${FILESDIR}/0001-build-add-Gentoo-compat.patch"
+        )
+
+        if use elibc_musl; then
+                PATCHES+=(
+                        "${FILESDIR}/0001-don-t-fail-if-GLOB_BRACE-is-not-defined.patch"
+                )
+        fi
+
+        default
+}
+
 python_configure() {
         local emesonargs=(
                 $(meson_use test unit_testing)