add meson build files

Closes #116.
Closes #171.
Closes #172.
Closes #175.

tools/meson_runlevels.sh

@@ -0,0 +1,94 @@
+#!/bin/sh
+
+set -e
+set -u
+
+os="$1"
+net="$2"
+rc_libexecdir="$3"
+sysconfdir="$4"
+
+init_d_dir="${sysconfdir}/init.d"
+leveldir="${sysconfdir}/runlevels"
+sysinitdir="${leveldir}/sysinit"
+bootdir="${leveldir}/boot"
+defaultdir="${leveldir}/default"
+nonetworkdir="${leveldir}/nonetwork"
+shutdowndir="${leveldir}/shutdown"
+
+sysinit=
+case "${os}" in
+	Linux)
+		sysinit="${sysinit} cgroups devfs dmesg sysfs"
+		;;
+esac
+
+boot="bootmisc fsck hostname localmount loopback root swap sysctl urandom"
+if [ "${net}" = yes ]; then
+	boot="${boot} network staticroute"
+fi
+boot_BSD="hostid newsyslog savecore syslogd"
+
+case "${os}" in
+	DragonFly)
+		boot="${boot} ${boot_BSD}"
+		;;
+	FreeBSD|GNU-kFreeBSD)
+		boot="${boot} ${boot_BSD} adjkerntz dumpon modules syscons"
+		;;
+	Linux)
+		boot="${boot} binfmt hwclock keymaps modules mtab procfs
+		save-keymaps save-termencoding termencoding"
+		;;
+	NetBSD)
+		boot="${boot} ${boot_BSD} devdb swap-blk tys wscons"
+		;;
+esac
+
+default="local netmount"
+
+nonetwork="local"
+
+shutdown="savecache"
+case "${os}" in
+	Linux)
+		shutdown="${shutdown} killprocs mount-ro" 
+		;;
+esac
+
+if ! test -d "${DESTDIR}${sysinitdir}"; then
+	install -d "${DESTDIR}${sysinitdir}"
+	for x in ${sysinit}; do
+		ln -snf "${init_d_dir}/$x" "${DESTDIR}${sysinitdir}/$x"
+	done
+fi
+
+if ! test -d "${DESTDIR}${bootdir}"; then
+	install -d "${DESTDIR}${bootdir}"
+	for x in ${boot}; do
+		ln -snf "${init_d_dir}/$x" "${DESTDIR}${bootdir}/$x"
+	done
+fi
+
+if ! test -d "${DESTDIR}${defaultdir}"; then
+	install -d "${DESTDIR}${defaultdir}"
+	for x in ${default}; do
+		ln -snf "${init_d_dir}/$x" "${DESTDIR}${defaultdir}/$x"
+	done
+fi
+
+if ! test -d "${DESTDIR}${nonetworkdir}"; then
+	install -d "${DESTDIR}${nonetworkdir}"
+	for x in ${nonetwork}; do
+		ln -snf "${init_d_dir}/$x" "${DESTDIR}${nonetworkdir}/$x"
+	done
+fi
+
+if ! test -d "${DESTDIR}${shutdowndir}"; then
+	install -d "${DESTDIR}${shutdowndir}"
+	for x in ${shutdown}; do
+		ln -snf "${init_d_dir}/$x" "${DESTDIR}${shutdowndir}/$x"
+	done
+fi
+
+ln -snf "${rc_libexecdir}"/sh/functions.sh "${DESTDIR}/${init_d_dir}"