Initial commit

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2024-11-18 01:09:46 +01:00 · 2017-12-09 21:51:48 +01:00 · 2017-12-09 21:51:48 +01:00 · dbbb1889f4
commit dbbb1889f4
66 changed files with 13223 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,4 @@
+*~
+*.tar.bz2
+*.tar.xz
+*.tar.gz
--- a/cfg/alix/PACKAGES
+++ b/cfg/alix/PACKAGES
@ -0,0 +1,3 @@
+bbstatic
+initrd
+linux
--- a/cfg/alix/SQUASHFS
+++ b/cfg/alix/SQUASHFS
@ -0,0 +1,3 @@
+coreutils
+bash
+rootfs
--- a/cfg/alix/TOOLCHAIN
+++ b/cfg/alix/TOOLCHAIN
@ -0,0 +1,6 @@
+TARGET="i686-linux-musl"
+GCC_CPU="i686"
+
+GCC_EXTRACFG="--disable-libmpx --disable-libssp"
+
+LINUXPKG="linux"
--- a/cfg/alix/bbstatic.config
+++ b/cfg/alix/bbstatic.config
--- a/cfg/alix/genimage.sh
+++ b/cfg/alix/genimage.sh
@ -0,0 +1,58 @@
+#!/bin/sh
+
+set -u -e -x
+
+FILE=$1
+MOUNTED=0
+LOOPATTACHED=0
+
+function do_cleanup() {
+	[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
+	[ $LOOPATTACHED -ne 0 ] && losetup -d ${LODEV}
+	rmdir /tmp/mnt.$$
+}
+
+trap do_cleanup ERR INT
+
+cd `dirname $0`
+
+truncate -s 1G $FILE
+
+parted --script $FILE \
+	"mklabel msdos" \
+	"mkpart primary fat32 1M 256M" \
+	"mkpart primary btrfs 256M 100%" \
+	"set 1 boot on"
+
+LODEV=$(losetup -f)
+losetup -P ${LODEV} ${FILE}
+LOOPATTACHED=1
+
+mkfs.vfat ${LODEV}p1
+mkfs.btrfs -f ${LODEV}p2
+
+mkdir /tmp/mnt.$$
+mount -t vfat ${LODEV}p1 /tmp/mnt.$$
+MOUNTED=1
+
+syslinux --install ${LODEV}p1
+cp syslinux.cfg /tmp/mnt.$$/syslinux.cfg
+cp ROOTFSFILE /tmp/mnt.$$/
+cp KERNELFILE /tmp/mnt.$$/
+
+umount /tmp/mnt.$$
+MOUNTED=0
+
+mount -t btrfs ${LODEV}p2 /tmp/mnt.$$
+MOUNTED=1
+mkdir /tmp/mnt.$$/etc /tmp/mnt.$$/etc_work
+mkdir /tmp/mnt.$$/var_lib /tmp/mnt.$$/var_lib_work
+umount /tmp/mnt.$$
+MOUNTED=0
+
+losetup -d ${LODEV}
+LOOPATTACHED=0
+
+dd if=mbr.bin of=$FILE conv=notrunc
+
+rmdir /tmp/mnt.$$
--- a/cfg/alix/install.sh
+++ b/cfg/alix/install.sh
@ -0,0 +1,65 @@
+#!/bin/sh
+
+set -u -e -x
+
+CONFIRM="Yes, I am"
+DEVICE=$1
+MOUNTED=0
+
+function do_cleanup() {
+	[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
+	rmdir /tmp/mnt.$$
+}
+
+trap do_cleanup ERR INT
+
+cd `dirname $0`
+
+echo "Are you *really* sure to use $DEVICE?"
+echo "If so, type \"$CONFIRM\""
+read input
+[ "x$input" != "x$CONFIRM" ] && exit 1
+
+[ ! -b $DEVICE ] && {
+	echo "Error, $DEVICE is not a block device"
+	exit 1
+}
+
+count=$(grep -c -e "^$DEVICE" /proc/mounts || true)
+[ $count -ne 0 ] && {
+	echo "Error, $DEVICE is mounted"
+	exit 1
+}
+
+dd if=/dev/zero of=$DEVICE bs=512 count=1
+parted --script $DEVICE \
+	"mklabel msdos" \
+	"mkpart primary fat32 1M 256M" \
+	"mkpart primary btrfs 256M 100%" \
+	"set 1 boot on"
+
+mkfs.vfat ${DEVICE}1
+mkfs.btrfs -f ${DEVICE}2
+
+mkdir /tmp/mnt.$$
+mount -t vfat ${DEVICE}1 /tmp/mnt.$$
+MOUNTED=1
+
+syslinux --install ${DEVICE}1
+cp syslinux.cfg /tmp/mnt.$$/syslinux.cfg
+cp ROOTFSFILE /tmp/mnt.$$/
+cp KERNELFILE /tmp/mnt.$$/
+
+umount /tmp/mnt.$$
+MOUNTED=0
+
+mount -t btrfs ${DEVICE}2 /tmp/mnt.$$
+MOUNTED=1
+mkdir /tmp/mnt.$$/etc /tmp/mnt.$$/etc_work
+mkdir /tmp/mnt.$$/var_lib /tmp/mnt.$$/var_lib_work
+umount /tmp/mnt.$$
+MOUNTED=0
+
+rmdir /tmp/mnt.$$
+
+dd if=mbr.bin of=$DEVICE
--- a/cfg/alix/ld-musl-i386.path
+++ b/cfg/alix/ld-musl-i386.path
@ -0,0 +1 @@
+/lib
--- a/cfg/alix/libgcc_files.txt
+++ b/cfg/alix/libgcc_files.txt
@ -0,0 +1,20 @@
+lib/libatomic.so
+lib/libatomic.so.1
+lib/libatomic.so.1.2.0
+lib/libcilkrts.so
+lib/libcilkrts.so.5
+lib/libcilkrts.so.5.0.0
+lib/libgcc_s.so
+lib/libgcc_s.so.1
+lib/libgomp.so
+lib/libgomp.so.1
+lib/libgomp.so.1.0.0
+lib/libitm.so
+lib/libitm.so.1
+lib/libitm.so.1.0.0
+lib/libquadmath.so
+lib/libquadmath.so.0
+lib/libquadmath.so.0.0.0
+lib/libstdc++.so.6.0.24
+lib/libstdc++.so
+lib/libstdc++.so.6
--- a/cfg/alix/linux.config
+++ b/cfg/alix/linux.config
--- a/cfg/alix/release
+++ b/cfg/alix/release
@ -0,0 +1,29 @@
+build_release() {
+	local RELEASE_DIR="$1"
+	local ROOTFS_SQFS="$2"
+
+	local fname=$(find $PKGDEPLOYDIR/linux/ -name 'vmlinuz*')
+	local linux_image=$(basename $fname)
+	local rootfs_image=$(basename $ROOTFS_SQFS)
+
+	cp -r "$fname" "$RELEASE_DIR"
+	cp "$ROOTFS_SQFS" "$RELEASE_DIR"
+	cp "$SCRIPTDIR/cfg/$CFG/install.sh" "$RELEASE_DIR"
+	cp "$SCRIPTDIR/cfg/$CFG/genimage.sh" "$RELEASE_DIR"
+	cp "/usr/share/syslinux/mbr.bin" "$RELEASE_DIR"
+
+	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$RELEASE_DIR/install.sh"
+	sed -i 's/KERNELFILE/'$linux_image'/g' "$RELEASE_DIR/install.sh"
+
+	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$RELEASE_DIR/genimage.sh"
+	sed -i 's/KERNELFILE/'$linux_image'/g' "$RELEASE_DIR/genimage.sh"
+
+cat > "$RELEASE_DIR/syslinux.cfg" << _EOF
+timeout 0
+totaltimeout 50
+default linux
+label linux
+ kernel /$linux_image
+ append root=/dev/sda1 root_sfs=/$rootfs_image
+_EOF
+}
--- a/cfg/rpi3/PACKAGES
+++ b/cfg/rpi3/PACKAGES
@ -0,0 +1,2 @@
+linux-rpi3
+boot-rpi3
--- a/cfg/rpi3/SQUASHFS
+++ b/cfg/rpi3/SQUASHFS
@ -0,0 +1,5 @@
+coreutils
+bash
+rootfs
+linux_modules
+firmware-rpi3
--- a/cfg/rpi3/TOOLCHAIN
+++ b/cfg/rpi3/TOOLCHAIN
@ -0,0 +1,6 @@
+TARGET="arm-linux-musleabihf"
+GCC_CPU="armv6"
+
+GCC_EXTRACFG="--with-float=hard --with-fpu=neon-vfpv3"
+
+LINUXPKG="linux-rpi3"
--- a/cfg/rpi3/bbstatic.config
+++ b/cfg/rpi3/bbstatic.config
--- a/cfg/rpi3/boot-config.txt
+++ b/cfg/rpi3/boot-config.txt
@ -0,0 +1,58 @@
+# For more options and information see
+# http://rpf.io/configtxt
+# Some settings may impact device functionality. See link above for details
+
+# uncomment if you get no picture on HDMI for a default "safe" mode
+#hdmi_safe=1
+
+# uncomment this if your display has a black border of unused pixels visible
+# and your display can output without overscan
+#disable_overscan=1
+
+# uncomment the following to adjust overscan. Use positive numbers if console
+# goes off screen, and negative if there is too much border
+#overscan_left=16
+#overscan_right=16
+#overscan_top=16
+#overscan_bottom=16
+
+# uncomment to force a console size. By default it will be display's size minus
+# overscan.
+#framebuffer_width=1280
+#framebuffer_height=720
+
+# uncomment if hdmi display is not detected and composite is being output
+#hdmi_force_hotplug=1
+
+# uncomment to force a specific HDMI mode (this will force VGA)
+#hdmi_group=1
+#hdmi_mode=1
+
+# uncomment to force a HDMI mode rather than DVI. This can make audio work in
+# DMT (computer monitor) modes
+#hdmi_drive=2
+
+# uncomment to increase signal to HDMI, if you have interference, blanking, or
+# no display
+#config_hdmi_boost=4
+
+# uncomment for composite PAL
+#sdtv_mode=2
+
+#uncomment to overclock the arm. 700 MHz is the default.
+#arm_freq=800
+
+# Uncomment some or all of these to enable the optional hardware interfaces
+#dtparam=i2c_arm=on
+#dtparam=i2s=on
+#dtparam=spi=on
+
+# Uncomment this to enable the lirc-rpi module
+#dtoverlay=lirc-rpi
+
+# Additional overlays and parameters are documented /boot/overlays/README
+
+# Enable audio (loads snd_bcm2835)
+dtparam=audio=on
+
+enable_uart=1
--- a/cfg/rpi3/cmdline.txt
+++ b/cfg/rpi3/cmdline.txt
@ -0,0 +1 @@
+console=serial0,115200 console=tty0 root=/dev/mmcblk0p1 elevator=deadline rootwait root_sfs=ROOTFSFILE
--- a/cfg/rpi3/genimage.sh
+++ b/cfg/rpi3/genimage.sh
@ -0,0 +1,53 @@
+#!/bin/sh
+
+set -u -e -x
+
+FILE=$1
+MOUNTED=0
+LOOPATTACHED=0
+
+function do_cleanup() {
+	[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
+	[ $LOOPATTACHED -ne 0 ] && losetup -d ${LODEV}
+	rmdir /tmp/mnt.$$
+}
+
+trap do_cleanup ERR INT
+
+cd `dirname $0`
+
+truncate -s 1G $FILE
+
+parted --script $FILE \
+	"mklabel msdos" \
+	"mkpart primary fat32 1M 256M" \
+	"mkpart primary btrfs 256M 100%" \
+	"set 1 boot on"
+
+LODEV=$(losetup -f)
+losetup -P ${LODEV} ${FILE}
+LOOPATTACHED=1
+
+mkfs.vfat ${LODEV}p1
+mkfs.btrfs -f ${LODEV}p2
+
+mkdir /tmp/mnt.$$
+mount -t vfat ${LODEV}p1 /tmp/mnt.$$
+MOUNTED=1
+
+cp -r boot/* /tmp/mnt.$$/
+
+umount /tmp/mnt.$$
+MOUNTED=0
+
+mount -t btrfs ${LODEV}p2 /tmp/mnt.$$
+MOUNTED=1
+mkdir /tmp/mnt.$$/etc /tmp/mnt.$$/etc_work
+mkdir /tmp/mnt.$$/var_lib /tmp/mnt.$$/var_lib_work
+umount /tmp/mnt.$$
+MOUNTED=0
+
+losetup -d ${LODEV}
+LOOPATTACHED=0
+
+rmdir /tmp/mnt.$$
--- a/cfg/rpi3/install.sh
+++ b/cfg/rpi3/install.sh
@ -0,0 +1,60 @@
+#!/bin/sh
+
+set -u -e -x
+
+CONFIRM="Yes, I am"
+DEVICE=$1
+MOUNTED=0
+
+function do_cleanup() {
+	[ $MOUNTED -ne 0 ] && umount /tmp/mnt.$$
+	rmdir /tmp/mnt.$$
+}
+
+trap do_cleanup ERR INT
+
+cd `dirname $0`
+
+echo "Are you *really* sure to use $DEVICE?"
+echo "If so, type \"$CONFIRM\""
+read input
+[ "x$input" != "x$CONFIRM" ] && exit 1
+
+[ ! -b $DEVICE ] && {
+	echo "Error, $DEVICE is not a block device"
+	exit 1
+}
+
+count=$(grep -c -e "^$DEVICE" /proc/mounts || true)
+[ $count -ne 0 ] && {
+	echo "Error, $DEVICE is mounted"
+	exit 1
+}
+
+dd if=/dev/zero of=$DEVICE bs=512 count=1
+parted --script $DEVICE \
+	"mklabel msdos" \
+	"mkpart primary fat32 1M 256M" \
+	"mkpart primary btrfs 256M 100%" \
+	"set 1 boot on"
+
+mkfs.vfat ${DEVICE}p1
+mkfs.btrfs -f ${DEVICE}p2
+
+mkdir /tmp/mnt.$$
+mount -t vfat ${DEVICE}p1 /tmp/mnt.$$
+MOUNTED=1
+
+cp -r boot/* /tmp/mnt.$$/
+
+umount /tmp/mnt.$$
+MOUNTED=0
+
+mount -t btrfs ${DEVICE}p2 /tmp/mnt.$$
+MOUNTED=1
+mkdir /tmp/mnt.$$/etc /tmp/mnt.$$/etc_work
+mkdir /tmp/mnt.$$/var_lib /tmp/mnt.$$/var_lib_work
+umount /tmp/mnt.$$
+MOUNTED=0
+
+rmdir /tmp/mnt.$$
--- a/cfg/rpi3/ld-musl-arm.path
+++ b/cfg/rpi3/ld-musl-arm.path
@ -0,0 +1,2 @@
+/lib
+/opt/vc/lib
--- a/cfg/rpi3/libgcc_files.txt
+++ b/cfg/rpi3/libgcc_files.txt
@ -0,0 +1,17 @@
+lib/libatomic.so
+lib/libatomic.so.1
+lib/libatomic.so.1.2.0
+lib/libcilkrts.so
+lib/libcilkrts.so.5
+lib/libcilkrts.so.5.0.0
+lib/libgcc_s.so
+lib/libgcc_s.so.1
+lib/libgomp.so
+lib/libgomp.so.1
+lib/libgomp.so.1.0.0
+lib/libitm.so
+lib/libitm.so.1
+lib/libitm.so.1.0.0
+lib/libstdc++.so
+lib/libstdc++.so.6
+lib/libstdc++.so.6.0.24
--- a/cfg/rpi3/linux.config
+++ b/cfg/rpi3/linux.config
--- a/cfg/rpi3/release
+++ b/cfg/rpi3/release
@ -0,0 +1,17 @@
+build_release() {
+	local RELEASE_DIR="$1"
+	local ROOTFS_SQFS="$2"
+
+	local rootfs_image=$(basename $ROOTFS_SQFS)
+	local bootdir="$RELEASE_DIR/boot"
+
+	mkdir -p "$bootdir"
+	cp -r ${PKGDEPLOYDIR}/linux-rpi3/* "$bootdir"
+	cp -r ${PKGDEPLOYDIR}/boot-rpi3/* "$bootdir"
+	cp "$SCRIPTDIR/cfg/$CFG/cmdline.txt" "$bootdir"
+	cp "$ROOTFS_SQFS" "$bootdir"
+	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$bootdir/cmdline.txt"
+
+	cp "$SCRIPTDIR/cfg/$CFG/install.sh" "$RELEASE_DIR"
+	cp "$SCRIPTDIR/cfg/$CFG/genimage.sh" "$RELEASE_DIR"
+}
--- a/mk.sh
+++ b/mk.sh
@ -0,0 +1,146 @@
+#!/bin/bash
+
+set -e
+
+if [ ! $# -eq 1 ]; then
+	echo "usage: $0 <config>"
+	exit 1
+fi
+
+CFG="$1"
+
+################################ basic setup ################################
+BUILDROOT=$(pwd)
+SCRIPTDIR=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
+NUMJOBS=$(grep -e "^processor" /proc/cpuinfo | wc -l)
+HOSTTUPLE=$(uname -m)-$OSTYPE
+
+TCDIR="$BUILDROOT/$CFG/toolchain"
+PKGBUILDDIR="$BUILDROOT/$CFG/build"
+PKGSRCDIR="$BUILDROOT/src"
+PKGDEPLOYDIR="$BUILDROOT/$CFG/deploy"
+PKGLOGDIR="$BUILDROOT/$CFG/log"
+PKGDOWNLOADDIR="$BUILDROOT/download"
+PACKAGELIST="$BUILDROOT/$CFG/pkglist"
+
+SQFS="$BUILDROOT/$CFG/rootfs.img"
+SQFS_DIR="$BUILDROOT/$CFG/squashfs"
+
+mkdir -p "$PKGDOWNLOADDIR" "$PKGSRCDIR" "$PKGBUILDDIR" "$PKGLOGDIR"
+mkdir -p "$PKGDEPLOYDIR" "$TCDIR/bin"
+
+export PATH="$TCDIR/bin:$PATH"
+
+source "$SCRIPTDIR/cfg/$CFG/TOOLCHAIN"
+
+mkdir -p "$TCDIR/$TARGET"
+
+CMAKETCFILE="$TCDIR/toolchain.cmake"
+
+############################# include utilities ##############################
+source "$SCRIPTDIR/util/depends.sh"
+source "$SCRIPTDIR/util/download.sh"
+source "$SCRIPTDIR/util/pkgcmd.sh"
+source "$SCRIPTDIR/util/toolchain.sh"
+source "$SCRIPTDIR/util/cmake.sh"
+
+############################## build toolchain ###############################
+echo "--- resolving toolchain dependencies ---"
+
+echo "toolchain" > "$BUILDROOT/$CFG/rawpkg"
+dependencies "$BUILDROOT/$CFG/rawpkg" "$PACKAGELIST" "tcpkg"
+cat "$PACKAGELIST"
+
+echo "--- downloading toolchain files ---"
+
+while read pkg; do
+	fetch_package "tcpkg" "$pkg"
+done < "$PACKAGELIST"
+
+echo "--- building toolchain ---"
+
+gen_cmake_toolchain_file
+
+while read pkg; do
+	run_tcpkg_command "$pkg" "build"
+	run_tcpkg_command "$pkg" "deploy"
+done < "$PACKAGELIST"
+
+echo "--- backing up toolchain sysroot ---"
+
+save_toolchain
+
+############################### build packages ###############################
+echo "--- resolving package dependencies ---"
+
+cat "$SCRIPTDIR/cfg/$CFG/PACKAGES" "$SCRIPTDIR/cfg/$CFG/SQUASHFS" | \
+	sort -u > "$BUILDROOT/$CFG/rawpkg"
+
+dependencies "$BUILDROOT/$CFG/rawpkg" "$PACKAGELIST" "pkg"
+cat "$PACKAGELIST"
+
+echo "--- downloading package files ---"
+
+while read pkg; do
+	fetch_package "pkg" "$pkg"
+done < "$PACKAGELIST"
+
+echo "--- building package ---"
+
+while read pkg; do
+	install_build_deps "$pkg"
+
+	run_pkg_command "$pkg" "build"
+	run_pkg_command "$pkg" "deploy"
+
+	restore_toolchain
+done < "$PACKAGELIST"
+
+############################### squashfs image ###############################
+
+echo "--- building squashfs ---"
+
+cat "$SCRIPTDIR/cfg/$CFG/SQUASHFS" | sort -u > "$BUILDROOT/$CFG/rawpkg"
+dependencies "$BUILDROOT/$CFG/rawpkg" "$PACKAGELIST" "pkg"
+echo "toolchain" >> "$PACKAGELIST"
+
+mkdir -p "$SQFS_DIR"
+
+while read pkg; do
+	if [ -e "$PKGDEPLOYDIR/$pkg" ]; then
+		cp -ru --remove-destination ${PKGDEPLOYDIR}/${pkg}/* "$SQFS_DIR"
+		echo "$pkg"
+	fi
+done < "$PACKAGELIST"
+
+if [ -f "$SQFS" ]; then
+	rm "$SQFS"
+fi
+
+mksquashfs "$SQFS_DIR" "$SQFS" -all-root -no-progress -no-xattrs 2>&1 > "$PKGLOGDIR/rootfs.log"
+
+############################## release package ###############################
+
+echo "--- building release package ---"
+
+RELEASEDIR="$BUILDROOT/$CFG/release-$CFG"
+
+if [ -d "$RELEASEDIR" ]; then
+	rm -r "$RELEASEDIR"
+fi
+
+mkdir -p "$RELEASEDIR"
+
+unset -f build_release
+source "$SCRIPTDIR/cfg/$CFG/release"
+
+build_release "$RELEASEDIR" "$SQFS"
+
+if [ -e "${BUILDROOT}/${CFG}/release-${CFG}.tar.gz" ]; then
+	rm "${BUILDROOT}/${CFG}/release-${CFG}.tar.gz"
+fi
+
+pushd "$BUILDROOT/$CFG" > /dev/null
+tar czf "${BUILDROOT}/${CFG}/release-${CFG}.tar.gz" "release-${CFG}"
+popd  > /dev/null
+
--- a/pkg/bash/build
+++ b/pkg/bash/build
@ -0,0 +1,39 @@
+VERSION="4.4.12"
+SRCDIR="bash-${VERSION}"
+TARBALL="${SRCDIR}.tar.gz"
+URL="https://ftp.gnu.org/gnu/bash/"
+SHA256SUM="57d8432be54541531a496fd4904fdc08c12542f43605a9202594fa5d5f9f2331"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="" --host="$TARGET" --without-bash-malloc \
+			 --with-installed-readline
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+	local DEVDEPLOY="$4"
+
+	make DESTDIR="$DEPLOY" install
+
+	${TARGET}-strip --discard-all ${DEPLOY}/bin/bash
+
+	ln -sv bash "$DEPLOY/bin/sh"
+
+	rm -r "$DEPLOY/share/doc"
+	rm -r "$DEPLOY/share/info"
+	rm -r "$DEPLOY/share/man"
+
+	mv "$DEPLOY/lib" "$DEVDEPLOY"
+	mv "$DEPLOY/include" "$DEVDEPLOY"
+}
--- a/pkg/bash/depends
+++ b/pkg/bash/depends
@ -0,0 +1,2 @@
+ncurses
+readline
--- a/pkg/bbstatic/build
+++ b/pkg/bbstatic/build
@ -0,0 +1,38 @@
+VERSION="1.27.2"
+SRCDIR="busybox-$VERSION"
+TARBALL="busybox-$VERSION.tar.bz2"
+URL="https://busybox.net/downloads"
+SHA256SUM="9d4be516b61e6480f156b11eb42577a13529f75d3383850bb75c50c285de63df"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/bbstatic.config"
+	local BB_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+	local SYSROOT="$TCDIR/$TARGET"
+
+	cp "$CFGFILE" "$OUTPUT/.config"
+
+	export KBUILD_OUTPUT="$OUTPUT"
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$BB_CPU" CROSS_COMPILE="${TARGET}-" oldconfig
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_SYSROOT=.*,CONFIG_SYSROOT="'$SYSROOT'",'
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$BB_CPU" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	mkdir -p "$DEPLOY/bin"
+	cp "$BUILD/busybox" "$DEPLOY/bin"
+	ln -s "/bin/busybox" "$DEPLOY/bin/sh"
+}
--- a/pkg/boot-rpi3/build
+++ b/pkg/boot-rpi3/build
@ -0,0 +1,25 @@
+# inherit package details from kernel package
+source "$SCRIPTDIR/pkg/firmware-rpi3/build"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	cp -r ${SOURCE}/boot/* "$DEPLOY/"
+
+	rm $DEPLOY/kernel7.img
+	rm $DEPLOY/kernel.img
+	rm $DEPLOY/COPYING.linux
+	rm $DEPLOY/*.dtb
+
+	cp "$SCRIPTDIR/cfg/$CFG/boot-config.txt" "$DEPLOY/config.txt"
+}
--- a/pkg/coreutils/0001.patch
+++ b/pkg/coreutils/0001.patch
@ -0,0 +1,238 @@
+--- a/Makefile.in
+++ b/Makefile.in
+@@ -2594,7 +2594,7 @@ am__DIST_COMMON = $(doc_coreutils_TEXINFOS) $(srcdir)/Makefile.in \
+ 	$(top_srcdir)/build-aux/texinfo.tex \
+ 	$(top_srcdir)/build-aux/ylwrap $(top_srcdir)/doc/local.mk \
+ 	$(top_srcdir)/lib/alloca.c $(top_srcdir)/lib/config.hin \
+-	$(top_srcdir)/lib/local.mk $(top_srcdir)/man/local.mk \
+	$(top_srcdir)/lib/local.mk \
+ 	$(top_srcdir)/src/local.mk $(top_srcdir)/src/single-binary.mk \
+ 	$(top_srcdir)/tests/local.mk ABOUT-NLS AUTHORS COPYING \
+ 	ChangeLog INSTALL NEWS README THANKS TODO build-aux/compile \
+@@ -2695,7 +2695,6 @@ EOVERFLOW_HIDDEN = @EOVERFLOW_HIDDEN@
+ EOVERFLOW_VALUE = @EOVERFLOW_VALUE@
+ ERRNO_H = @ERRNO_H@
+ EXEEXT = @EXEEXT@
+-EXTRA_MANS = @EXTRA_MANS@
+ FLOAT_H = @FLOAT_H@
+ FNMATCH_H = @FNMATCH_H@
+ GETADDRINFO_LIB = @GETADDRINFO_LIB@
+@@ -3972,7 +3971,6 @@ libexecdir = @libexecdir@
+ lispdir = @lispdir@
+ localedir = @localedir@
+ localstatedir = @localstatedir@
+-man1_MANS = @man1_MANS@
+ mandir = @mandir@
+ mkdir_p = @mkdir_p@
+ oldincludedir = @oldincludedir@
+@@ -4165,8 +4163,8 @@ EXTRA_DIST = .mailmap .prev-version .version .vg-suppressions \
+ 	lib/xgetcwd.h lib/xnanosleep.h lib/xreadlink.h lib/xstrtod.h \
+ 	lib/xstrtol.h lib/xstrtod.c lib/xstrtod.h lib/xalloc.h \
+ 	lib/yesno.h src/dcgen src/dircolors.hin src/primes.h \
+-	src/tac-pipe.c src/extract-magic man/help2man man/dummy-man \
+-	$(man1_MANS:.1=.x) $(EXTRA_MANS:.1=.x) $(all_tests) init.cfg \
+	src/tac-pipe.c src/extract-magic \
+	$(all_tests) init.cfg \
+ 	tests/Coreutils.pm tests/CuSkip.pm tests/CuTmpdir.pm \
+ 	tests/d_type-check tests/envvar-check tests/factor/run.sh \
+ 	tests/factor/create-test.sh tests/filefrag-extent-compare \
+@@ -4275,7 +4273,7 @@ CLEANFILES = lib/configmake.h lib/configmake.h-t lib/charset.alias \
+ 	lib/ref-add.sed lib/ref-del.sed $(SCRIPTS) \
+ 	$(no_install__progs) src/coreutils_symlinks \
+ 	src/coreutils_shebangs src/fs-def src/fs-magic \
+-	src/fs-kernel-magic $(ALL_MANS) $(factor_tests)
+	src/fs-kernel-magic $(factor_tests)
+ MOSTLYCLEANDIRS = lib/arpa lib/netinet lib/selinux lib/sys lib/sys \
+ 	lib/sys lib/sys lib/sys lib/sys lib/sys lib/sys
+ AM_CPPFLAGS = -Ilib -I$(top_srcdir)/lib -Isrc -I$(top_srcdir)/src
+@@ -5139,18 +5137,6 @@ find_upper_case_var = \
+      }				\
+    END {$$m and (warn "$@: do not use upper case in \@var{...}\n"), exit 1}'
+ 
+-@HAVE_PERL_FALSE@run_help2man = $(SHELL) $(srcdir)/man/dummy-man
+-@HAVE_PERL_TRUE@run_help2man = $(PERL) -- $(srcdir)/man/help2man
+-ALL_MANS = $(man1_MANS) $(EXTRA_MANS)
+-
+-# Dependencies common to all man pages.  Updated below.
+-
+-# Depend on this to get version number changes.
+-
+-# This is required so that changes to e.g., emit_bug_reporting_address
+-# provoke regeneration of all the manpages.
+-mandeps = .version $(top_srcdir)/src/system.h $(am__append_5)
+-
+ # Indirections required so that we'll still be able to know the
+ # complete list of our tests even if the user overrides TESTS
+ # from the command line (as permitted by the test harness API).
+@@ -5978,10 +5964,10 @@ all: $(BUILT_SOURCES)
+ 	$(MAKE) $(AM_MAKEFLAGS) all-recursive
+ 
+ .SUFFIXES:
+-.SUFFIXES: .1 .c .dvi .log .o .obj .pl .pl$(EXEEXT) .ps .sed .sh .sh$(EXEEXT) .sin .trs .x .xpl .xpl$(EXEEXT) .y
+.SUFFIXES: .c .dvi .log .o .obj .pl .pl$(EXEEXT) .ps .sed .sh .sh$(EXEEXT) .sin .trs .x .xpl .xpl$(EXEEXT) .y
+ am--refresh: Makefile
+ 	@:
+-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/lib/local.mk $(srcdir)/lib/gnulib.mk $(top_srcdir)/src/local.mk $(srcdir)/src/cu-progs.mk $(top_srcdir)/src/single-binary.mk $(top_srcdir)/doc/local.mk $(top_srcdir)/man/local.mk $(top_srcdir)/tests/local.mk $(am__configure_deps)
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/lib/local.mk $(srcdir)/lib/gnulib.mk $(top_srcdir)/src/local.mk $(srcdir)/src/cu-progs.mk $(top_srcdir)/src/single-binary.mk $(top_srcdir)/doc/local.mk $(top_srcdir)/tests/local.mk $(am__configure_deps)
+ 	@for dep in $?; do \
+ 	  case '$(am__configure_deps)' in \
+ 	    *$$dep*) \
+@@ -6003,7 +5989,7 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ 	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
+ 	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
+ 	esac;
+-$(top_srcdir)/lib/local.mk $(srcdir)/lib/gnulib.mk $(top_srcdir)/src/local.mk $(srcdir)/src/cu-progs.mk $(top_srcdir)/src/single-binary.mk $(top_srcdir)/doc/local.mk $(top_srcdir)/man/local.mk $(top_srcdir)/tests/local.mk $(am__empty):
+$(top_srcdir)/lib/local.mk $(srcdir)/lib/gnulib.mk $(top_srcdir)/src/local.mk $(srcdir)/src/cu-progs.mk $(top_srcdir)/src/single-binary.mk $(top_srcdir)/doc/local.mk $(top_srcdir)/tests/local.mk $(am__empty):
+ 
+ $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ 	$(SHELL) ./config.status --recheck
+@@ -14750,149 +14736,6 @@ sc-lower-case-var:
+ 
+ check-local: check-texinfo
+ 
+-# This is a kludge to remove generated 'man/*.1' from a non-srcdir build.
+-# Without this, "make distcheck" might fail.
+-distclean-local:
+-	test x$(srcdir) = x$(builddir) || rm -f $(ALL_MANS)
+-
+-$(ALL_MANS): $(mandeps)
+-# Most prog.1 man pages depend on src/prog.  List the exceptions:
+-@SINGLE_BINARY_FALSE@man/install.1:   src/ginstall$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/test.1:      src/[$(EXEEXT)
+-
+-@SINGLE_BINARY_FALSE@man/arch.1:      src/arch$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/b2sum.1:     src/b2sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/base32.1:    src/base32$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/base64.1:    src/base64$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/basename.1:  src/basename$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/cat.1:       src/cat$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/chcon.1:     src/chcon$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/chgrp.1:     src/chgrp$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/chmod.1:     src/chmod$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/chown.1:     src/chown$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/chroot.1:    src/chroot$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/cksum.1:     src/cksum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/comm.1:      src/comm$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/coreutils.1: src/coreutils$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/cp.1:        src/cp$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/csplit.1:    src/csplit$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/cut.1:       src/cut$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/date.1:      src/date$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/dd.1:        src/dd$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/df.1:        src/df$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/dir.1:       src/dir$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/dircolors.1: src/dircolors$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/dirname.1:   src/dirname$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/du.1:        src/du$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/echo.1:      src/echo$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/env.1:       src/env$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/expand.1:    src/expand$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/expr.1:      src/expr$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/factor.1:    src/factor$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/false.1:     src/false$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/fmt.1:       src/fmt$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/fold.1:      src/fold$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/groups.1:    src/groups$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/head.1:      src/head$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/hostid.1:    src/hostid$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/hostname.1:  src/hostname$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/id.1:        src/id$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/join.1:      src/join$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/kill.1:      src/kill$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/link.1:      src/link$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/ln.1:        src/ln$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/logname.1:   src/logname$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/ls.1:        src/ls$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/md5sum.1:    src/md5sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/mkdir.1:     src/mkdir$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/mkfifo.1:    src/mkfifo$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/mknod.1:     src/mknod$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/mktemp.1:    src/mktemp$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/mv.1:        src/mv$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/nice.1:      src/nice$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/nl.1:        src/nl$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/nohup.1:     src/nohup$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/nproc.1:     src/nproc$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/numfmt.1:    src/numfmt$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/od.1:        src/od$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/paste.1:     src/paste$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/pathchk.1:   src/pathchk$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/pinky.1:     src/pinky$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/pr.1:        src/pr$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/printenv.1:  src/printenv$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/printf.1:    src/printf$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/ptx.1:       src/ptx$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/pwd.1:       src/pwd$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/readlink.1:  src/readlink$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/realpath.1:  src/realpath$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/rm.1:        src/rm$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/rmdir.1:     src/rmdir$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/runcon.1:    src/runcon$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/seq.1:       src/seq$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sha1sum.1:   src/sha1sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sha224sum.1: src/sha224sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sha256sum.1: src/sha256sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sha384sum.1: src/sha384sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sha512sum.1: src/sha512sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/shred.1:     src/shred$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/shuf.1:      src/shuf$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sleep.1:     src/sleep$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sort.1:      src/sort$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/split.1:     src/split$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/stat.1:      src/stat$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/stdbuf.1:    src/stdbuf$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/stty.1:      src/stty$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sum.1:       src/sum$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/sync.1:      src/sync$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tac.1:       src/tac$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tail.1:      src/tail$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tee.1:       src/tee$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/timeout.1:   src/timeout$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/touch.1:     src/touch$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tr.1:        src/tr$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/true.1:      src/true$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/truncate.1:  src/truncate$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tsort.1:     src/tsort$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/tty.1:       src/tty$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/uname.1:     src/uname$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/unexpand.1:  src/unexpand$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/uniq.1:      src/uniq$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/unlink.1:    src/unlink$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/uptime.1:    src/uptime$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/users.1:     src/users$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/vdir.1:      src/vdir$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/wc.1:        src/wc$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/who.1:       src/who$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/whoami.1:    src/whoami$(EXEEXT)
+-@SINGLE_BINARY_FALSE@man/yes.1:       src/yes$(EXEEXT)
+-
+-.x.1:
+-	$(AM_V_GEN)name=`echo $@ | sed 's|.*/||; s|\.1$$||'` || exit 1;	\
+-	case $$name in							\
+-	  install) prog='ginstall'; argv=$$name;;			\
+-	     test) prog='['; argv='[';;					\
+-		*) prog=$$name; argv=$$prog;;				\
+-	esac;								\
+-	rm -f $@ $@-t							\
+-	  && t=$*.td							\
+-	  && rm -rf $$t							\
+-	  && $(MKDIR_P) $$t						\
+-	  && (cd $$t && $(LN_S) '$(abs_top_builddir)/src/'$$prog$(EXEEXT) \
+-				$$argv$(EXEEXT))			\
+-	&& : $${SOURCE_DATE_EPOCH=`cat $(srcdir)/.timestamp 2>/dev/null || :`} \
+-	&& export SOURCE_DATE_EPOCH && $(run_help2man)			\
+-		     --source='$(PACKAGE_STRING)'			\
+-		     --include=$(srcdir)/man/$$name.x			\
+-		     --output=$$t/$$name.1				\
+-		     --info-page='\(aq(coreutils) '$$name' invocation\(aq' \
+-		     $$t/$$argv$(EXEEXT)				\
+-	  && sed \
+-	       -e 's|$*\.td/||g' \
+-	       -e '/For complete documentation/d' \
+-	       $$t/$$name.1 > $@-t			\
+-	  && rm -rf $$t							\
+-	  && chmod a-w $@-t						\
+-	  && mv $@-t $@
+ .PHONY: check-root
+ check-root:
+ 	$(MAKE) check TESTS='$(root_tests)' SUBDIRS=.
--- a/pkg/coreutils/build
+++ b/pkg/coreutils/build
@ -0,0 +1,32 @@
+VERSION="8.28"
+SRCDIR="coreutils-${VERSION}"
+TARBALL="${SRCDIR}.tar.xz"
+URL="https://ftp.gnu.org/gnu/coreutils/"
+SHA256SUM="1117b1a16039ddd84d51a9923948307cfa28c2cea03d1a2438742253df0a0c65"
+
+prepare() {
+	local PKGSCRIPTDIR="$1"
+
+	for PATCH in ${PKGSCRIPTDIR}/*.patch; do
+		patch -p1 < $PATCH
+	done
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="" --host="$TARGET" \
+			--enable-no-install-program=kill,uptime,dir,vdir,chcon,pinky,runcon
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	make DESTDIR="$DEPLOY" install-strip
+	rm -r "$DEPLOY/share"
+}
--- a/pkg/firmware-rpi3/build
+++ b/pkg/firmware-rpi3/build
@ -0,0 +1,43 @@
+VERSION="1.20170427"
+SRCDIR="firmware-${VERSION}"
+TARBALL="${VERSION}"
+URL="https://codeload.github.com/raspberrypi/firmware/tar.gz"
+SHA256SUM="e253084463a0a3ba908396ac383169397d53bc55307d0d8471f2814f2458fa1b"
+
+#export BRCM43430FW_BUILD_DIR=$(BUILD_DIR)/brcm43430fw
+#export BRCM43430FW_SOURCE_DIR=$(SOURCE_DIR)/brcm43430fw
+#export BRCM43430FW_DEPLOY_DIR=$(DEPLOY_DIR)/brcm43430fw
+#BRCM43430FW_VERSION=brcmfmac43430-sdio
+#BRCM43430FW_SRCDIR=$(BRCM43430FW_BUILD_DIR)/brcm43430fw-$(BRCM43430FW_VERSION)
+#BRCM43430FW_FILE=$(BRCM43430FW_VERSION).txt
+#BRCM43430FW_URL=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm80211/brcm/${BRCM43430FW_FILE}
+#
+#brcm43430fw_deploy:
+#	mkdir -p $(BRCM43430FW_DEPLOY_DIR)/lib/firmware/brcm/
+#	cp  $(BRCM43430FW_BUILD_DIR)/${BRCM43430FW_FILE} $(BRCM43430FW_DEPLOY_DIR)/lib/firmware/brcm/
+#	rsync -aH $(BRCM43430FW_DEPLOY_DIR)/lib $(PRE_ROOTFS_DEPLOY_DIR)/rootfs/
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+	local DEVDEPLOY="$4"
+
+	cp -r "$SOURCE/hardfp/opt" "$DEPLOY/"
+
+	mkdir -p "$DEVDEPLOY/opt/vc"
+	mv "$DEPLOY/opt/vc/include" "$DEVDEPLOY"
+
+	cp -r "$DEPLOY/opt/vc/lib" "$DEVDEPLOY/opt/vc"
+	rm ${DEPLOY}/opt/vc/lib/*.a
+	rm -r "${DEPLOY}/opt/vc/lib/pkgconfig"
+	rm -r "${DEPLOY}/opt/vc/src"
+}
--- a/pkg/initrd/build
+++ b/pkg/initrd/build
@ -0,0 +1,98 @@
+filetype() {
+	local argv1="$1"
+
+	# symlink test must come before file test
+	if [ -L "${argv1}" ]; then
+		echo "slink"
+	elif [ -f "${argv1}" ]; then
+		echo "file"
+	elif [ -d "${argv1}" ]; then
+		echo "dir"
+	else
+		echo "invalid"
+	fi
+	return 0
+}
+
+# for each file print a line in following format
+# <filetype> <name> <path to file> <octal mode> <uid> <gid>
+# for links, devices etc the format differs. See gen_init_cpio for details
+parse() {
+	local location="$1"
+	local name="/${location#${srcdir}}"
+	# change '//' into '/'
+	name=$(echo "$name" | sed -e 's://*:/:g')
+	local mode="$2"
+	local uid="$3"
+	local gid="$4"
+	local ftype=$(filetype "${location}")
+	local str="${mode} 0 0 "
+
+	[ "${ftype}" = "invalid" ] && return 0
+	[ "${location}" = "${srcdir}" ] && return 0
+
+	case "${ftype}" in
+	"file")
+		str="${ftype} ${name} ${location} ${str}"
+		;;
+	"slink")
+		local target=`readlink "${location}"`
+		str="${ftype} ${name} ${target} ${str}"
+		;;
+	*)
+		str="${ftype} ${name} ${str}"
+		;;
+	esac
+
+	echo "${str}"
+
+	return 0
+}
+
+# process one directory (incl sub-directories)
+dir_filelist() {
+	srcdir=$(echo "$1" | sed -e 's://*:/:g')
+	dirlist=$(find "${srcdir}" -printf "%p %m %U %G\n")
+
+	# If $dirlist is only one line, then the directory is empty
+	if [  "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then
+		echo "${dirlist}" | while read x; do
+			parse ${x}
+		done
+	fi
+}
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	# populate with default directory structure
+	for dir in dev proc sys bin lib newroot images; do
+		mkdir -p "$OUTPUT/$dir"
+	done
+
+	ln -s "/bin" "$OUTPUT/sbin"
+
+	# add init script
+	cp "$SCRIPTDIR/pkg/initrd/initrd.skel" "$OUTPUT/init"
+	chmod +x "$OUTPUT/init"
+
+	# 'install' packages to initrd
+	cp -r ${PKGDEPLOYDIR}/bbstatic/* "$OUTPUT"
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	local LSTFILE="$DEPLOY/initrd.list"
+
+	dir_filelist "$BUILD" > "$LSTFILE"
+	echo "dir /dev 0755 0 0" >> "$LSTFILE"
+	echo "nod /dev/console 600 0 0  c 5 1" >> "$LSTFILE"
+}
--- a/pkg/initrd/depends
+++ b/pkg/initrd/depends
@ -0,0 +1 @@
+bbstatic
--- a/pkg/initrd/initrd.skel
+++ b/pkg/initrd/initrd.skel
@ -0,0 +1,77 @@
+#!/bin/sh
+
+PATH=/bin
+
+/bin/busybox --install
+busybox sleep 1
+busybox mount -t proc proc /proc
+busybox mount -t sysfs sysfs /sys
+busybox mount -t devtmpfs none /dev
+
+root_sfs=""
+root=""
+singleuser=0
+
+for param in `cat /proc/cmdline`; do
+	case $param in
+	root=*)
+		root="${param##root=}"
+		;;
+	root_sfs=*)
+		root_sfs="${param##root_sfs=}"
+		;;
+	single*)
+		singleuser=1
+		;;
+	esac
+done
+
+if [ -z "${root}" ]; then
+	echo "No root drive specified!"
+	exec /bin/busybox sh
+fi
+
+if [ -z "${root_sfs}" ]; then
+	echo "No squashfs image specified!"
+	exec /bin/busybox sh
+fi
+
+while [ ! -e ${root} ]; do
+	echo "Waiting for root"
+	busybox sleep 1
+done
+
+mount ${root} /images
+
+if [ ! -e /images/${root_sfs} ]; then
+	echo "${root_sfs} not found!"
+	exec /bin/busybox sh
+	exit 1
+fi
+
+mount -t squashfs /images/${root_sfs} /newroot
+mount -t devtmpfs none /newroot/dev
+mount -t proc proc /newroot/proc
+mount -t sysfs sysfs /newroot/sys
+mount -t tmpfs none /newroot/tmp
+mount -t tmpfs none /newroot/var
+mount -t tmpfs none /newroot/run
+
+chmod 755 /newroot/var
+mkdir -p /newroot/run/log/journal
+mkdir -p /newroot/var/log/fsck
+mkdir -p /newroot/var/log/nginx
+mkdir -p /newroot/var/log/mpd
+mkdir -p /newroot/var/spool/
+mkdir -p /newroot/var/lib/
+mkdir -p /newroot/var/tmp
+ln -s /run /newroot/var/run
+ln -s /run/lock /newroot/var/lock
+
+# cleanup mounts
+umount -l /images
+umount -l /dev
+umount /sys
+umount /proc
+
+exec /bin/busybox switch_root /newroot /bin/bash
--- a/pkg/linux-rpi3/build
+++ b/pkg/linux-rpi3/build
@ -0,0 +1,42 @@
+VERSION="1.20170427-1"
+SRCDIR="linux-raspberrypi-kernel_${VERSION}"
+TARBALL="raspberrypi-kernel_${VERSION}"
+URL="https://codeload.github.com/raspberrypi/linux/tar.gz"
+SHA256SUM="c9b60483e901556a2fbab64c06be8a9eba884f3eaac98ba39347e82bb0a00f5b"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local INITRDLIST="$PKGDEPLOYDIR/initrd/initrd.list"
+
+	export KBUILD_OUTPUT="$OUTPUT"
+	make -C "$INPUT" O="$OUTPUT" ARCH="arm" CROSS_COMPILE="${TARGET}-" mrproper
+
+	cp "$CFGFILE" "$OUTPUT/.config"
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_INITRAMFS_SOURCE=.*,CONFIG_INITRAMFS_SOURCE="'$INITRDLIST'",'
+	make -C "$INPUT" O="$OUTPUT" ARCH="arm" CROSS_COMPILE="${TARGET}-" oldconfig
+
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_INITRAMFS_SOURCE=.*,CONFIG_INITRAMFS_SOURCE="'$INITRDLIST'",'
+	make -C "$INPUT" O="$OUTPUT" ARCH="arm" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS zImage dtbs
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+
+	pushd $BUILD
+	install -m 755 "arch/arm/boot/zImage" "$DEPLOY/kernel.img"
+	cp arch/arm/boot/dts/*.dtb "$DEPLOY/"
+	popd
+}
--- a/pkg/linux-rpi3/depends
+++ b/pkg/linux-rpi3/depends
@ -0,0 +1 @@
+initrd
--- a/pkg/linux/build
+++ b/pkg/linux/build
@ -0,0 +1,49 @@
+MAJOR="4"
+MINOR="14"
+RELEASE="1"
+
+VERSION="$MAJOR.$MINOR.$RELEASE"
+SRCDIR="linux-$VERSION"
+TARBALL="linux-$VERSION.tar.xz"
+URL="https://www.kernel.org/pub/linux/kernel/v$MAJOR.x"
+SHA256SUM="6fb9f67002f986ce3905b35466e35c394e0fa3eb7c32df508514717955cb4de7"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+	local LINUX_TGT=$(head -2 "$CFGFILE" | tail -1 | cut -b 3-)
+	local INITRDLIST="$PKGDEPLOYDIR/initrd/initrd.list"
+
+	export KBUILD_OUTPUT="$OUTPUT"
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" mrproper
+	cp "$CFGFILE" "$OUTPUT/.config"
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" oldconfig
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_INITRAMFS_SOURCE=.*,CONFIG_INITRAMFS_SOURCE="'$INITRDLIST'",'
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS $LINUX_TGT
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+	local LINUX_TGT=$(head -2 "$CFGFILE" | tail -1 | cut -b 3-)
+
+	mkdir -p "$DEPLOY/boot"
+
+	pushd $BUILD
+	install -m 755 "arch/$LINUX_CPU/boot/$LINUX_TGT" "$DEPLOY/boot/vmlinuz-$VERSION"
+	popd
+}
--- a/pkg/linux/depends
+++ b/pkg/linux/depends
@ -0,0 +1 @@
+initrd
--- a/pkg/linux_modules/build
+++ b/pkg/linux_modules/build
@ -0,0 +1,36 @@
+# inherit package details from kernel package
+source "$SCRIPTDIR/pkg/$LINUXPKG/build"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+
+	export KBUILD_OUTPUT="$OUTPUT"
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" mrproper
+	cp "$CFGFILE" "$OUTPUT/.config"
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" oldconfig
+	sed -i "$OUTPUT/.config" -e 's,^CONFIG_CROSS_COMPILE=.*,CONFIG_CROSS_COMPILE="'$TARGET'-",'
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" -j $NUMJOBS modules
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+
+	mkdir -p "$DEPLOY/lib/modules"
+
+	export KBUILD_OUTPUT="$BUILD"
+	make -C "$SOURCE" O="$BUILD" ARCH="$LINUX_CPU" CROSS_COMPILE="${TARGET}-" INSTALL_MOD_PATH="$DEPLOY" modules_install
+}
--- a/pkg/ncurses/build
+++ b/pkg/ncurses/build
@ -0,0 +1,58 @@
+VERSION="6.0"
+SRCDIR="ncurses-${VERSION}"
+TARBALL="${SRCDIR}.tar.gz"
+URL="https://ftp.gnu.org/gnu/ncurses/"
+SHA256SUM="f551c24b30ce8bfb6e96d9f59b42fbea30fa3a6123384172f9e7284bcf647260"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="" --host="$TARGET" \
+			--with-shared --without-debug \
+			--without-ada --enable-widec \
+			--with-pkg-config-libdir=/lib/pkgconfig \
+			--enable-pc-files
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+	local DEVDEPLOY="$4"
+
+	make DESTDIR="$DEPLOY" install
+
+	rm -r "$DEPLOY/share/man"
+	rm "$DEPLOY/bin/ncursesw6-config"
+
+	mkdir -p "$DEVDEPLOY/lib"
+
+	mv "$DEPLOY/include" "$DEVDEPLOY"
+	cp -r "$DEPLOY/lib" "$DEVDEPLOY"
+	rm ${DEPLOY}/lib/*.a
+	rm -r "$DEPLOY/lib/pkgconfig"
+
+	mkdir -p "${DEVDEPLOY}/include/ncurses"
+
+	for hdr in ${DEVDEPLOY}/include/ncursesw/*.h; do
+		local fname=$(basename $hdr)
+		local target="../$fname"
+
+		mv "$hdr" "${DEVDEPLOY}/include"
+		ln -s "$target" "${DEVDEPLOY}/include/ncursesw/${fname}"
+		ln -s "$target" "${DEVDEPLOY}/include/ncurses/${fname}"
+	done
+
+	ln -s "libncursesw.so.$VERSION" "$DEPLOY/lib/libtinfo.so"
+	ln -s "libncursesw.so.$VERSION" "$DEPLOY/lib/libtinfo.so.$VERSION"
+	ln -s "libncursesw.so.$VERSION" "$DEVDEPLOY/lib/libtinfo.so"
+	ln -s "libncursesw.so.$VERSION" "$DEVDEPLOY/lib/libtinfo.so.$VERSION"
+	ln -s "libncursesw.a.$VERSION" "$DEVDEPLOY/lib/libtinfo.a"
+}
--- a/pkg/readline/build
+++ b/pkg/readline/build
@ -0,0 +1,32 @@
+VERSION="7.0"
+SRCDIR="readline-${VERSION}"
+TARBALL="${SRCDIR}.tar.gz"
+URL="https://ftp.gnu.org/gnu/readline/"
+SHA256SUM="750d437185286f40a369e1e4f4764eda932b9459b5ec9a731628393dd3d32334"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="" --host="$TARGET" --disable-static
+
+	make SHLIB_LIBS="-lncursesw" -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+	local DEVDEPLOY="$4"
+
+	make SHLIB_LIBS="-lncursesw" DESTDIR="$DEPLOY" install
+
+	mv "$DEPLOY/include" "$DEVDEPLOY"
+	rm -r "$DEPLOY/share"
+
+	cp -r "$DEPLOY/lib" "$DEVDEPLOY/"
+}
--- a/pkg/readline/depends
+++ b/pkg/readline/depends
@ -0,0 +1 @@
+ncurses
--- a/pkg/rootfs/build
+++ b/pkg/rootfs/build
@ -0,0 +1,16 @@
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+
+	mkdir -p "$DEPLOY/dev" "$DEPLOY/sys" "$DEPLOY/proc"
+	mkdir -p "$DEPLOY/tmp" "$DEPLOY/var" "$DEPLOY/run"
+}
--- a/tcpkg/binutils/build
+++ b/tcpkg/binutils/build
@ -0,0 +1,25 @@
+VERSION="2.29.1"
+SRCDIR="binutils-$VERSION"
+TARBALL="binutils-$VERSION.tar.bz2"
+URL="http://ftp.gnu.org/gnu/binutils"
+SHA256SUM="1509dff41369fb70aed23682351b663b56db894034773e6dbf7d5d6071fc55cc"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="$TCDIR" --target="$TARGET" \
+			--with-sysroot="$TCDIR/$TARGET" \
+			--disable-nls --disable-multilib
+
+	make configure-host
+	make -j $NUMJOBS
+}
+
+deploy() {
+	make install
+}
--- a/tcpkg/cloog/build
+++ b/tcpkg/cloog/build
@ -0,0 +1,17 @@
+VERSION="0.18.1"
+SRCDIR="cloog-$VERSION"
+TARBALL="cloog-$VERSION.tar.gz"
+URL="ftp://gcc.gnu.org/pub/gcc/infrastructure"
+SHA256SUM="02500a4edd14875f94fe84cbeda4290425cb0c1c2474c6f75d75a303d64b4196"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/gcc1/build
+++ b/tcpkg/gcc1/build
@ -0,0 +1,46 @@
+VERSION="7.2.0"
+SRCDIR="gcc-$VERSION"
+TARBALL="gcc-$VERSION.tar.xz"
+URL="http://ftp.gnu.org/gnu/gcc/gcc-$VERSION"
+SHA256SUM="1cf7adf8ff4b5aa49041c8734bbcf1ad18cc4c94d0029aae0f4e48841088479a"
+
+prepare() {
+	for child in cloog gmp isl mpc mpfr; do
+		unset -f build deploy prepare
+		unset -v VERSION TARBALL URL SRCDIR SHA256SUM
+		source "$SCRIPTDIR/tcpkg/$child/build"
+
+		if [ ! -e "$child" ]; then
+			echo "installing symlink to $child..."
+			ln -s "$PKGSRCDIR/$SRCDIR" "$child"
+		else
+			if [ ! -L "$child" ]; then
+				echo "ERROR: $child " \
+					"exists but is not a symlink!"
+				exit 1
+			fi
+		fi
+	done
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="$TCDIR" --target="$TARGET" \
+			--build="$HOSTTUPLE" --host="$HOSTTUPLE" \
+			--with-sysroot="$TCDIR/$TARGET" \
+			--disable-nls --disable-shared --without-headers \
+			--disable-multilib --disable-decimal-float \
+			--disable-libgomp --disable-libmudflap \
+			--disable-libssp --disable-libatomic \
+			--disable-libquadmath --disable-threads \
+			--enable-languages=c --with-newlib \
+			--with-arch="$GCC_CPU" $GCC_EXTRACFG
+
+	make -j $NUMJOBS all-gcc all-target-libgcc
+}
+
+deploy() {
+	make install-gcc install-target-libgcc
+}
--- a/tcpkg/gcc1/depends
+++ b/tcpkg/gcc1/depends
@ -0,0 +1,7 @@
+binutils
+cloog
+gmp
+isl
+mpc
+mpfr
+linux_hdr
--- a/tcpkg/gcc2/build
+++ b/tcpkg/gcc2/build
@ -0,0 +1,28 @@
+# inherit package details from first stage GCC
+source "$SCRIPTDIR/tcpkg/gcc1/build"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	$INPUT/configure --prefix="$TCDIR" --target="$TARGET" \
+			--build="$HOSTTUPLE" --host="$HOSTTUPLE" \
+			--with-sysroot="$TCDIR/$TARGET" \
+			--disable-nls --enable-languages=c,c++ \
+			--enable-c99 --enable-long-long \
+			--disable-libmudflap --disable-multilib \
+			--disable-libmpx --disable-libssp \
+			--disable-libsanitizer \
+			--with-arch="$GCC_CPU" $GCC_EXTRACFG \
+			--with-native-system-header-dir="/include"
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	make install
+}
--- a/tcpkg/gcc2/depends
+++ b/tcpkg/gcc2/depends
@ -0,0 +1,2 @@
+gcc1
+musl
--- a/tcpkg/gmp/build
+++ b/tcpkg/gmp/build
@ -0,0 +1,17 @@
+VERSION="6.1.2"
+SRCDIR="gmp-$VERSION"
+TARBALL="gmp-$VERSION.tar.bz2"
+URL="http://ftp.gnu.org/gnu/gmp"
+SHA256SUM="5275bb04f4863a13516b2f39392ac5e272f5e1bb8057b18aec1c9b79d73d8fb2"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/isl/build
+++ b/tcpkg/isl/build
@ -0,0 +1,17 @@
+VERSION="0.18"
+SRCDIR="isl-$VERSION"
+TARBALL="isl-$VERSION.tar.bz2"
+URL="ftp://gcc.gnu.org/pub/gcc/infrastructure"
+SHA256SUM="6b8b0fd7f81d0a957beb3679c81bbb34ccc7568d5682844d8924424a0dadcb1b"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/libgcc/build
+++ b/tcpkg/libgcc/build
@ -0,0 +1,16 @@
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+	local DEPLOY="$3"
+
+	rsync -aH --files-from="$SCRIPTDIR/cfg/$CFG/libgcc_files.txt" \
+		"$TCDIR/$TARGET" "$DEPLOY"
+}
--- a/tcpkg/libgcc/depends
+++ b/tcpkg/libgcc/depends
@ -0,0 +1 @@
+gcc2
--- a/tcpkg/linux_hdr/build
+++ b/tcpkg/linux_hdr/build
@ -0,0 +1,28 @@
+# inherit package details from kernel package
+source "$SCRIPTDIR/pkg/$LINUXPKG/build"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" mrproper
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" headers_check
+}
+
+deploy() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	local CFGFILE="$SCRIPTDIR/cfg/$CFG/linux.config"
+	local LINUX_CPU=$(head -1 "$CFGFILE" | cut -b 3-)
+
+	export KBUILD_OUTPUT="$OUTPUT"
+	make -C "$INPUT" O="$OUTPUT" ARCH="$LINUX_CPU" INSTALL_HDR_PATH="$TCDIR/$TARGET" headers_install
+}
--- a/tcpkg/mpc/build
+++ b/tcpkg/mpc/build
@ -0,0 +1,17 @@
+VERSION="1.0.3"
+SRCDIR="mpc-$VERSION"
+TARBALL="mpc-$VERSION.tar.gz"
+URL="http://ftp.gnu.org/gnu/mpc"
+SHA256SUM="617decc6ea09889fb08ede330917a00b16809b8db88c29c31bfbb49cbf88ecc3"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/mpfr/build
+++ b/tcpkg/mpfr/build
@ -0,0 +1,17 @@
+VERSION="3.1.4"
+SRCDIR="mpfr-$VERSION"
+TARBALL="mpfr-$VERSION.tar.bz2"
+URL="http://ftp.gnu.org/gnu/mpfr"
+SHA256SUM="d3103a80cdad2407ed581f3618c4bed04e0c92d1cf771a65ead662cc397f7775"
+
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/musl/build
+++ b/tcpkg/musl/build
@ -0,0 +1,31 @@
+VERSION="1.1.18"
+SRCDIR="musl-$VERSION"
+TARBALL="$SRCDIR.tar.gz"
+URL="http://www.musl-libc.org/releases"
+SHA256SUM="d017ee5d01aec0c522a1330fdff06b1e428cb409e1db819cc4935d5da4a5a118"
+
+prepare() {
+	return
+}
+
+build() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+
+	CC="${TARGET}-gcc" $INPUT/configure --prefix=/ --target="$TARGET"
+	CC="${TARGET}-gcc" make -j $NUMJOBS
+}
+
+deploy() {
+	local INPUT="$1"
+	local OUTPUT="$2"
+	local DEPLOY="$3"
+
+	DESTDIR="$TCDIR/$TARGET" make install
+	DESTDIR="$DEPLOY" make install-libs
+	rm $DEPLOY/lib/*.a $DEPLOY/lib/*.o
+
+	mkdir -p "$DEPLOY/etc"
+
+	cp ${SCRIPTDIR}/cfg/${CFG}/ld-musl-* "$DEPLOY/etc/"
+}
--- a/tcpkg/musl/depends
+++ b/tcpkg/musl/depends
@ -0,0 +1 @@
+gcc1
--- a/tcpkg/pkg-config/build
+++ b/tcpkg/pkg-config/build
@ -0,0 +1,30 @@
+VERSION="0.29.2"
+SRCDIR="pkg-config-$VERSION"
+TARBALL="$SRCDIR.tar.gz"
+URL="https://pkg-config.freedesktop.org/releases/"
+SHA256SUM="6fc69c01688c9458a57eb9a1664c9aba372ccda420a02bf4429fe610e7e7d591"
+
+prepare() {
+	return
+}
+
+build() {
+	local SOURCE="$1"
+	local BUILD="$2"
+
+	$SOURCE/configure --prefix="$TCDIR" --target="$TARGET" \
+			--build="$HOSTTUPLE" --host="$HOSTTUPLE" \
+			--with-sysroot="$TCDIR/$TARGET" \
+			--with-pc-path="$TCDIR/$TARGET/lib/pkgconfig" \
+			--with-system-include-path="/include" \
+			--with-system-library-path="/lib" \
+			--with-internal-glib
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	make install
+
+	ln -s pkg-config "$TCDIR/bin/$TARGET-pkg-config"
+}
--- a/tcpkg/toolchain/build
+++ b/tcpkg/toolchain/build
@ -0,0 +1,11 @@
+prepare() {
+	return
+}
+
+build() {
+	return
+}
+
+deploy() {
+	return
+}
--- a/tcpkg/toolchain/depends
+++ b/tcpkg/toolchain/depends
@ -0,0 +1,4 @@
+gcc2
+libgcc
+musl
+pkg-config
--- a/util/cmake.sh
+++ b/util/cmake.sh
@ -0,0 +1,18 @@
+gen_cmake_toolchain_file() {
+cat > "$CMAKETCFILE" << _EOF
+set(CMAKE_SYSTEM_NAME Linux)
+
+set(CMAKE_SYSROOT ${TCDIR}/${TARGET})
+
+set(CMAKE_C_COMPILER ${TCDIR}/bin/${TARGET}-gcc)
+set(CMAKE_C_COMPILER_TARGET ${TARGET})
+
+set(CMAKE_CXX_COMPILER ${TCDIR}/bin/${TARGET}-g++)
+set(CMAKE_CXX_COMPILER_TARGET ${TARGET})
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+_EOF
+}
--- a/util/depends.sh
+++ b/util/depends.sh
@ -0,0 +1,40 @@
+dependencies_recursive() {
+	local NAME="$1"
+	local PKGDIR="$2"
+
+	if [ -e "$SCRIPTDIR/$PKGDIR/$NAME/depends" ]; then
+		while read DEP; do
+			echo "$NAME $DEP"
+		done < "$SCRIPTDIR/$PKGDIR/$NAME/depends"
+
+		while read DEP; do
+			dependencies_recursive "$DEP" "$PKGDIR"
+		done < "$SCRIPTDIR/$PKGDIR/$NAME/depends"
+	fi
+}
+
+dependencies() {
+	local RAW="$1"
+	local PKGLIST="$2"
+	local PKGDIR="$3"
+	local TEMP=$(mktemp)
+
+	truncate -s 0 "$PKGLIST"
+
+	# handle toplevel packages _with_ depenendencies
+	while read pkgname; do
+		dependencies_recursive "$pkgname" "$PKGDIR" >> "$TEMP"
+	done < "$RAW"
+
+	# handle toplevel packages without dependencies
+	while read pkgname; do
+		if [ ! -e "$SCRIPTDIR/$PKGDIR/$pkgname/depends" ]; then
+			grep -q "$pkgname" "$TEMP" &> /dev/null || \
+				echo "$pkgname" >> "$PKGLIST"
+		fi
+	done < "$RAW"
+
+	# generate topologically sorted list of packages
+	sort -u "$TEMP" | tsort | tac >> "$PKGLIST"
+	rm "$TEMP"
+}
--- a/util/download.sh
+++ b/util/download.sh
@ -0,0 +1,36 @@
+fetch_package() {
+	local PKGDIR="$1"
+	local NAME="$2"
+	echo "$NAME"
+
+	unset -f build deploy prepare
+	unset -v VERSION TARBALL URL SRCDIR SHA256SUM
+	source "$SCRIPTDIR/$PKGDIR/$NAME/build"
+
+	if [ -z "$TARBALL" ]; then
+		return
+	fi
+
+	if [ ! -e "$PKGDOWNLOADDIR/$TARBALL" ]; then
+		curl -o "$PKGDOWNLOADDIR/$TARBALL" --silent --show-error \
+		     -L "$URL/$TARBALL"
+	fi
+
+	pushd "$PKGDOWNLOADDIR" > /dev/null
+	echo "$SHA256SUM  ${TARBALL}" > "${TARBALL}.sha256"
+	sha256sum -c --quiet "${TARBALL}.sha256"
+	rm "${TARBALL}.sha256"
+	popd > /dev/null
+
+	if [ ! -e "$PKGSRCDIR/$SRCDIR" ]; then
+		local LOGFILE="$PKGLOGDIR/${NAME}-prepare.log"
+
+		echo "unpacking..."
+		tar -C "$PKGSRCDIR" -xf "$PKGDOWNLOADDIR/$TARBALL"
+
+		pushd "$PKGSRCDIR/$SRCDIR" > /dev/null
+		echo "preparing..."
+		prepare "$SCRIPTDIR/$PKGDIR/$NAME" &>> "$LOGFILE" < /dev/null
+		popd > /dev/null
+	fi
+}
--- a/util/pkgcmd.sh
+++ b/util/pkgcmd.sh
@ -0,0 +1,45 @@
+run_pkg_command_common() {
+	local NAME="$1"
+	local FUNCTION="$2"
+	local PKGDIR="$3"
+	local DEPLOYDIR="$4"
+	local CHECKFILE="$PKGLOGDIR/.${NAME}-${FUNCTION}"
+
+	echo "$NAME - $FUNCTION"
+
+	if [ -e "$CHECKFILE" ]; then
+		return
+	fi
+
+	unset -f build deploy prepare
+	unset -v VERSION TARBALL URL SRCDIR SHA256SUM
+	source "$SCRIPTDIR/$PKGDIR/$NAME/build"
+
+	local LOGFILE="$PKGLOGDIR/${NAME}-${FUNCTION}.log"
+	local OUT="$PKGBUILDDIR/$NAME"
+	local SRC="$PKGSRCDIR/$SRCDIR"
+
+	mkdir -p "$DEPLOYDIR" "$OUT" "${DEPLOYDIR}-dev"
+
+	pushd "$OUT" > /dev/null
+	$FUNCTION "$SRC" "$OUT" "$DEPLOYDIR" "${DEPLOYDIR}-dev" &>> "$LOGFILE" < /dev/null
+	popd > /dev/null
+
+	(rmdir "$DEPLOYDIR" || true) 2> /dev/null ;
+	(rmdir "$OUT" || true) 2> /dev/null ;
+	(rmdir "${DEPLOYDIR}-dev" || true) 2> /dev/null ;
+
+	touch "$CHECKFILE"
+}
+
+run_pkg_command() {
+	local DEPLOYDIR="$PKGDEPLOYDIR/$1"
+
+	run_pkg_command_common "$1" "$2" "pkg" "$DEPLOYDIR"
+}
+
+run_tcpkg_command() {
+	local DEPLOYDIR="$PKGDEPLOYDIR/toolchain"
+
+	run_pkg_command_common "$1" "$2" "tcpkg" "$DEPLOYDIR"
+}
--- a/util/toolchain.sh
+++ b/util/toolchain.sh
@ -0,0 +1,36 @@
+save_toolchain() {
+	if [ ! -e "${TCDIR}/${TARGET}.tar.gz" ]; then
+		pushd "$TCDIR/$TARGET" > /dev/null
+		tar czf "${TCDIR}/${TARGET}.tar.gz" include lib
+		popd > /dev/null
+	fi
+}
+
+restore_toolchain() {
+	pushd "$TCDIR/$TARGET" > /dev/null
+	rm -r include lib
+	tar zxf "${TCDIR}/${TARGET}.tar.gz"
+	popd > /dev/null
+}
+
+install_build_deps() {
+	local pkg="$1"
+
+	if [ ! -e "$SCRIPTDIR/pkg/$pkg/depends" ]; then
+		return
+	fi
+
+	dependencies "$SCRIPTDIR/pkg/$pkg/depends" \
+			"$BUILDROOT/$CFG/deppkg" "pkg"
+
+	while read deppkg; do
+		local devdir="$PKGDEPLOYDIR/${deppkg}-dev"
+
+		if [ -d "$devdir/include" ]; then
+			cp -R "$devdir/include" "$TCDIR/$TARGET"
+		fi
+		if [ -d "$devdir/lib" ]; then
+			cp -R "$devdir/lib" "$TCDIR/$TARGET"
+		fi
+	done < "$BUILDROOT/$CFG/deppkg"
+}
				`@ -0,0 +1 @@`
				`console=serial0,115200 console=tty0 root=/dev/mmcblk0p1 elevator=deadline rootwait root_sfs=ROOTFSFILE`