plymouth_0.9.5.bb: allow building with musl libc

Plymouth uses rpmatch() which is not provided by musl. Instead we use
the standalone rpmatch implementation and add dependencies and LDFLAGS
adjustment for musl libs based builds.

Signed-off-by: Stefan Schmidt <stefan.schmidt@huawei.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-core/plymouth/plymouth_0.9.5.bb

@@ -13,6 +13,7 @@ LICENSE = "GPLv2+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
 DEPENDS = "libcap libpng cairo dbus udev"
+DEPENDS_append_libc-musl = " musl-rpmatch"
 PROVIDES = "virtual/psplash"
 RPROVIDES_${PN} = "virtual-psplash virtual-psplash-support"
 
@@ -42,6 +43,8 @@ LOGO ??= "${datadir}/plymouth/bizcom.png"
 
 inherit autotools pkgconfig systemd gettext
 
+LDFLAGS_append_libc-musl = " -lrpmatch"
+
 do_install_append() {
     # Remove /var/run from package as plymouth will populate it on startup
     rm -fr "${D}${localstatedir}/run"