systemd: create sysv compat symlinks for halt, poweroff, shutdown and reboot.

srcpkgs/systemd/template

@@ -1,7 +1,7 @@
 # Template file for 'systemd'
 pkgname=systemd
 version=36
-revision=4
+revision=5
 distfiles="http://www.freedesktop.org/software/$pkgname/$pkgname-$version.tar.bz2"
 build_style=gnu_configure
 configure_args="--with-distro=other --with-rootdir= --localstatedir=/var
@@ -74,4 +74,11 @@ post_install()
 	printf "d /run/console 755 root root\n" > \
 		${DESTDIR}/usr/lib/tmpfiles.d/console.conf
 	chmod 644 ${DESTDIR}/usr/lib/tmpfiles.d/console.conf
+
+	# Create halt, reboot, shutdown, poweroff compat symlinks. Some
+	# applications expect them for "normal" use!
+	vmkdir sbin
+	for f in halt poweroff shutdown reboot; do
+		ln -sf /bin/systemctl ${DESTDIR}/sbin/${f}
+	done
 }