usr(systemd-dbus): point dbus related configs to /usr/share

sdk_container/src/third_party/coreos-overlay/sys-apps/dbus/dbus-1.6.12.ebuild

@@ -77,6 +77,7 @@ src_configure() {
 	# libaudit is *only* used in DBus wrt SELinux support, so disable it, if
 	# not on an SELinux profile.
 	myconf=(
+		--sysconfdir=/usr/share
 		--disable-silent-rules
 		--localstatedir="${EPREFIX}/var"
 		--docdir="${EPREFIX}/usr/share/doc/${PF}"
@@ -155,7 +156,6 @@ src_install() {
 
 	# needs to exist for dbus sessions to launch
 	keepdir /usr/share/dbus-1/services
-	keepdir /etc/dbus-1/{session,system}.d
 	# machine-id symlink from pkg_postinst()
 	keepdir /var/lib/dbus
 

sdk_container/src/third_party/coreos-overlay/sys-apps/systemd/systemd-207.ebuild

@@ -115,6 +115,8 @@ pkg_setup() {
 
 multilib_src_configure() {
 	local myeconfargs=(
+		--with-pamconfdir=/usr/share/pam.d
+		--with-dbuspolicydir=/usr/share/dbus-1/system.d
 		--localstatedir=/var
 		--with-pamlibdir=$(getpam_mod_dir)
 		# avoid bash-completion dep
@@ -191,7 +193,6 @@ multilib_src_configure() {
 			--disable-python-devel
 		)
 	fi
-
 	# Work around bug 463846.
 	tc-export CC