bootstrap-linux patches for cross compilation to arm

[James Bond <jamesbond3142@gmail.com>]

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Hi,

This is the patch to make bootstrap linux to cross compile successfully to
arm target.
This patch is based on pikhq's commit a0a06ab5329cbcfbb088fbe490c4363043a1216a
(the latest as of today).

I've successfully created a working rootfs and native toolchain from x86-64
host with this. My host gcc is 4.6.2 if it matters.
The changes are minimal and intended only to get the cross working, I
didn't try to optimise anything.

What was fixed:
- change linux-musl to linux-musleabi for arm target
- add host_configargs="LIBS=-lc" and --with-stage1-libs=-lc for native
gcc/binutils compile so that they don't pull in *printf from libiberty
(which segfaults).
- add linux-arm.config

Some known issues:
a) musl version as configured is at 0.9.2 but with arm it won't boot with
0.9.2 (busybox segfaults), you need to get the latest git master, make a
tarball out of it and rename it to musl-0.9.2.tar.gz in the "src"
directory.
b) kernel compile is commented out - it doesn't work out of the box. It
kind of works but stops near then end with missing symbols. If one then
re-do the process (issue another make in the kernel directory) it then
continues to completion. The produced kernel/modules works fine.
c) the kernel config for arm is configured based on versatible emulation
(because that's what I use for qemu at the moment).

Got a lot of help from John and Isaac to get this going, so thanks to both
of you.

This is my first post to the mailing list, so you feel this kind of stuff
is out of topic, my apology and lesson learnt.

cheers!

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diff -Naur bootstrap-linux/bootstrap.sh bts/bootstrap.sh
--- bootstrap-linux/bootstrap.sh	2012-06-18 17:48:00.186828725 +1000
+++ bts/bootstrap.sh	2012-07-27 20:03:28.000000000 +1000
@@ -1,9 +1,9 @@
 #!/bin/sh -e
-
 export PATH=$(pwd)/cross/bin:$(pwd)/utils:$PATH
 
 build cross-scripts/binutils-*
-build cross-scripts/gcc-*
+build cross-scripts/gcc-* 
+build cross-scripts/gdb-* 
 
 export CC=""
 export CFLAGS="-Os"
@@ -20,9 +20,10 @@
 build build-scripts/binutils-*
 build build-scripts/gcc-*
 build build-scripts/make-*
-build build-scripts/gmp-*
-build build-scripts/mpfr-*
-build build-scripts/mpc-*
+#build build-scripts/gmp-*
+#build build-scripts/mpfr-*
+#build build-scripts/mpc-*
+
 build build-scripts/busybox-*
-build build-scripts/linux-*
+#build build-scripts/linux-*
 build build-scripts/finish
diff -Naur bootstrap-linux/build-scripts/binutils-2.22 bts/build-scripts/binutils-2.22
--- bootstrap-linux/build-scripts/binutils-2.22	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/binutils-2.22	2012-07-27 19:49:14.000000000 +1000
@@ -2,6 +2,9 @@
 patches=binutils-2.22-musl.diff
 
 config() {
-	./configure --host=$A-unknown-linux-musl --target=$A-unknown-linux-musl --prefix=/ \
-		--disable-werror --disable-nls
+	export host_configargs='LIBS=-lc'
+	#sed -i -e '1 s/^/#define ELIDE_CODE\n/' libiberty/getopt.c
+	./configure --host=$A-unknown-linux-musl${tuple_suffix} --target=$A-unknown-linux-musl${tuple_suffix} --prefix=/ \
+		--disable-werror --disable-nls --with-stage1-libs=-lc
+	export -n host_configargs 
 }
diff -Naur bootstrap-linux/build-scripts/busybox-1.19.4 bts/build-scripts/busybox-1.19.4
--- bootstrap-linux/build-scripts/busybox-1.19.4	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/busybox-1.19.4	2012-07-27 18:51:59.000000000 +1000
@@ -3,12 +3,12 @@
 patches=busybox-musl-fixes.patch
 
 config() {
-	make allnoconfig CROSS_COMPILE="$A-unknown-linux-musl-" HOSTCFLAGS="-D_GNU_SOURCE" \
+	make allnoconfig CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" HOSTCFLAGS="-D_GNU_SOURCE" \
 		KCONFIG_ALLCONFIG="$top"/busybox.config
 }
 
 build() {
-	make CROSS_COMPILE="$A-unknown-linux-musl-" HOSTCFLAGS="-D_GNU_SOURCE"
+	make CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" HOSTCFLAGS="-D_GNU_SOURCE"
 }
 
 install() {
@@ -17,6 +17,6 @@
 	cp busybox "$out"/bin/busybox
 
 	cat busybox.links | while read line;do
-		ln -s busybox "$(basename $line)"
+		[ ! -e "$out"/bin/"$(basename $line)" ] && ln -s busybox "$out"/bin/"$(basename $line)"
 	done
 }
diff -Naur bootstrap-linux/build-scripts/gcc-4.6.3 bts/build-scripts/gcc-4.6.3
--- bootstrap-linux/build-scripts/gcc-4.6.3	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/gcc-4.6.3	2012-07-27 18:08:45.000000000 +1000
@@ -2,11 +2,14 @@
 patches=gcc-4.6.3-musl.diff
 
 config() {
+	export host_configargs='LIBS=-lc'
 	sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in
+	sed -i -e '1 s/^/#define ELIDE_CODE\n/' libiberty/getopt.c
 	mkdir "$work/gcc-build"
 	cd "$work/gcc-build"
-	"$work/$unpack"/configure --host=$A-unknown-linux-musl --target=$A-unknown-linux-musl --enable-languages=c \
-		--prefix=/ --disable-libmudflap --disable-nls
+	"$work/$unpack"/configure --host=$A-unknown-linux-musl${tuple_suffix} --target=$A-unknown-linux-musl${tuple_suffix} --enable-languages=c \
+		--prefix=/ --disable-libmudflap --disable-nls --with-stage1-libs=-lc
+	export -n host_configargs 
 }
 
 install() {
diff -Naur bootstrap-linux/build-scripts/gmp-5.0.2 bts/build-scripts/gmp-5.0.2
--- bootstrap-linux/build-scripts/gmp-5.0.2	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/gmp-5.0.2	2012-07-27 19:40:26.000000000 +1000
@@ -1,10 +1,10 @@
 url=http://ftpmirror.gnu.org/gmp/gmp-$version.tar.bz2
 
-CC=$A-unknown-linux-musl-gcc
+CC=$A-unknown-linux-musl${tuple_suffix}-gcc
 CFLAGS="$CFLAGS -D_GNU_SOURCE -D_BSD_SOURCE -Wno-implicit"
 
 config() {
 	munge-config-sub configfsf.sub
 
-	./configure --prefix=/ --host=$A-unknown-linux-musl
+	LIBS="-lc" ./configure --prefix=/ --host=$A-unknown-linux-musl${tuple_suffix}
 }
diff -Naur bootstrap-linux/build-scripts/linux-3.2.18 bts/build-scripts/linux-3.2.18
--- bootstrap-linux/build-scripts/linux-3.2.18	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/linux-3.2.18	2012-07-27 18:10:23.000000000 +1000
@@ -1,21 +1,23 @@
 ARCH=$A
 [ "$ARCH" = "i686" ] && ARCH=i386
+KCONFIG=linux.config
+[ "$ARCH" = "arm" ] && KCONFIG=linux-arm.config
 
 url=http://www.kernel.org/pub/linux/kernel/v3.0/linux-$version.tar.bz2
 
 patches="linux-noperl-capflags.patch linux-noperl-headers.patch linux-noperl-timeconst.patch linux-posix-sed.patch"
 
 config() {
-	make allnoconfig ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-" \
-		HOSTCFLAGS="-D_GNU_SOURCE" KCONFIG_ALLCONFIG="$top/linux.config"
+	make allnoconfig ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" \
+		HOSTCFLAGS="-D_GNU_SOURCE" KCONFIG_ALLCONFIG="$top/$KCONFIG"
 }
 
 build() {
-	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-" \
+	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" \
 		INSTALL_HDR_PATH=dest headers_install
 	find dest/include \( -name .install -o -name ..install.cmd \) -delete
 	
-	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-"
+	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-"
 }
 
 install() {
@@ -24,10 +26,10 @@
 	if [ "$ARCH" = "i386" -o "$ARCH" = "x86_64" ];then
 		cp arch/x86/boot/bzImage "$out"/boot/vmlinuz-$version
 	else
-		cp arch/$ARCH/boot/bzImage "$out"/boot/vmlinuz-$version
+		cp arch/$ARCH/boot/zImage "$out"/boot/vmlinuz-$version
 	fi
 
-	make INSTALL_MOD_PATH="$out" ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-" modules_install
+	make INSTALL_MOD_PATH="$out" ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" modules_install
 
 	mkdir -p "$out"/include/
 	cp -rv dest/include/* "$out"/include/
diff -Naur bootstrap-linux/build-scripts/make-3.82 bts/build-scripts/make-3.82
--- bootstrap-linux/build-scripts/make-3.82	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/make-3.82	2012-07-27 18:08:22.000000000 +1000
@@ -1,8 +1,8 @@
 url=http://ftp.gnu.org/gnu/$name/$name-$version.tar.bz2
 
-CFLAGS="$CFLAGS -D__BEOS__"
+CFLAGS="$CFLAGS -D__BEOS__ -DUSE_VARIADIC -DHAVE_VPRINTF"
 
 config() {
 	munge-config-sub config/config.sub
-	./configure --prefix=/ --disable-nls --host=$A-unknown-linux-musl
+	./configure --prefix=/ --disable-nls --host=$A-unknown-linux-musl${tuple_suffix}
 }
diff -Naur bootstrap-linux/build-scripts/musl-0.9.0 bts/build-scripts/musl-0.9.0
--- bootstrap-linux/build-scripts/musl-0.9.0	2012-06-18 17:48:00.186828725 +1000
+++ bts/build-scripts/musl-0.9.0	1970-01-01 10:00:00.000000000 +1000
@@ -1,7 +0,0 @@
-url=http://www.etalabs.net/musl/releases/musl-$version.tar.gz
-
-CC=$A-unknown-linux-musl-gcc
-
-config() {
-	./configure --target=$A-unknown-linux-musl --prefix=/ --disable-gcc-wrapper
-}
diff -Naur bootstrap-linux/build-scripts/musl-0.9.2 bts/build-scripts/musl-0.9.2
--- bootstrap-linux/build-scripts/musl-0.9.2	1970-01-01 10:00:00.000000000 +1000
+++ bts/build-scripts/musl-0.9.2	2012-07-27 18:08:22.000000000 +1000
@@ -0,0 +1,7 @@
+url=http://www.etalabs.net/musl/releases/musl-$version.tar.gz
+
+CC=$A-unknown-linux-musl${tuple_suffix}-gcc
+
+config() {
+	./configure --target=$A-unknown-linux-musl${tuple_suffix} --prefix=/ --disable-gcc-wrapper
+}
diff -Naur bootstrap-linux/cross-scripts/binutils-2.22 bts/cross-scripts/binutils-2.22
--- bootstrap-linux/cross-scripts/binutils-2.22	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/binutils-2.22	2012-07-27 18:08:22.000000000 +1000
@@ -7,7 +7,7 @@
 CFLAGS="$CFLAGS -D_GNU_SOURCE"
 
 config() {
-	./configure --target=$A-unknown-linux-musl --prefix="$out"
+	./configure --target=$A-unknown-linux-musl${tuple_suffix} --prefix="$out"
 }
 
 install() {
diff -Naur bootstrap-linux/cross-scripts/gcc-4.6.3 bts/cross-scripts/gcc-4.6.3
--- bootstrap-linux/cross-scripts/gcc-4.6.3	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/gcc-4.6.3	2012-07-28 01:29:06.564450644 +1000
@@ -9,10 +9,10 @@
 	sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in
 	mkdir "$work/gcc-build"
 	cd "$work/gcc-build"
-	"$work/$unpack"/configure --target=$A-unknown-linux-musl --enable-languages=c --with-newlib \
+	"$work/$unpack"/configure --target=$A-unknown-linux-musl${tuple_suffix} --enable-languages=c --with-newlib \
 		--disable-multilib --disable-libssp --disable-libquadmath \
 		--disable-threads --disable-decimal-float --disable-shared \
-		--disable-libmudflap --disable-libgomp --prefix="$out"
+		--disable-libmudflap --disable-libgomp --prefix="$out" 
 }
 
 install() {
@@ -20,5 +20,5 @@
 	cd "$work/$unpack"
 	rm -rf "$work/gcc-build"
 	cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
-	  `dirname $($A-unknown-linux-musl-gcc -print-libgcc-file-name)`/include-fixed/limits.h
+	  `dirname $($A-unknown-linux-musl${tuple_suffix}-gcc -print-libgcc-file-name)`/include-fixed/limits.h
 }
diff -Naur bootstrap-linux/cross-scripts/gdb-7.4.1 bts/cross-scripts/gdb-7.4.1
--- bootstrap-linux/cross-scripts/gdb-7.4.1	1970-01-01 10:00:00.000000000 +1000
+++ bts/cross-scripts/gdb-7.4.1	2012-07-27 18:34:02.000000000 +1000
@@ -0,0 +1,15 @@
+name=gdb
+
+url=http://mirrors.kernel.org/sources.redhat.com/$name/releases/$name-$version.tar.bz2
+patches=gdb-7.4.1-musl.diff
+out=$top/cross
+
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+
+config() {
+	./configure --target=$A-unknown-linux-musl${tuple_suffix} --prefix="$out"
+}
+
+install() {
+	make install
+}
diff -Naur bootstrap-linux/cross-scripts/gmp-5.0.2 bts/cross-scripts/gmp-5.0.2
--- bootstrap-linux/cross-scripts/gmp-5.0.2	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/gmp-5.0.2	2012-07-27 19:38:12.000000000 +1000
@@ -5,8 +5,8 @@
 config() {
 	munge-config-sub configfsf.sub
 
-	CFLAGS="$CFLAGS -D_GNU_SOURCE -D_BSD_SOURCE -Wno-implicit" \
-		./configure --prefix="$out"/$A-unknown-linux-musl --host=$A-unknown-linux-musl --disable-shared
+	CFLAGS="$CFLAGS -D_GNU_SOURCE -D_BSD_SOURCE -Wno-implicit" LIBS="-lc" \
+		./configure --prefix="$out"/$A-unknown-linux-musl${tuple_suffix} --host=$A-unknown-linux-musl${tuple_suffix} --disable-shared
 }
 
 install() {
diff -Naur bootstrap-linux/cross-scripts/linux-headers-3.2.18 bts/cross-scripts/linux-headers-3.2.18
--- bootstrap-linux/cross-scripts/linux-headers-3.2.18	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/linux-headers-3.2.18	2012-07-27 18:08:22.000000000 +1000
@@ -10,17 +10,17 @@
 patches=linux-noperl-headers.patch
 
 config() {
-	make allnoconfig ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-" \
-		HOSTCFLAGS="-D_GNU_SOURCE" KCONFIG_ALLCONFIG="$top/linux.config"
+	make allnoconfig ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" \
+		HOSTCFLAGS="-D_GNU_SOURCE" KCONFIG_ALLCONFIG="$top/linux-arm.config"
 }
 
 build() {
-	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl-" \
+	make HOSTCFLAGS=-D_GNU_SOURCE ARCH=$ARCH CROSS_COMPILE="$A-unknown-linux-musl${tuple_suffix}-" \
 		INSTALL_HDR_PATH=dest headers_install
 }
 
 install() {
 	find dest/include \( -name .install -o -name ..install.cmd \) -delete
-	mkdir -p "$out"/$A-unknown-linux-musl/include/
-	cp -rv dest/include/* "$out"/$A-unknown-linux-musl/include/
+	mkdir -p "$out"/$A-unknown-linux-musl${tuple_suffix}/include/
+	cp -rv dest/include/* "$out"/$A-unknown-linux-musl${tuple_suffix}/include/
 }
diff -Naur bootstrap-linux/cross-scripts/mpc-0.9 bts/cross-scripts/mpc-0.9
--- bootstrap-linux/cross-scripts/mpc-0.9	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/mpc-0.9	2012-07-27 19:37:12.000000000 +1000
@@ -5,7 +5,7 @@
 config() {
 	munge-config-sub
 
-	./configure --prefix="$out"/$A-unknown-linux-musl/ --host=$A-unknown-linux-musl --disable-shared
+	./configure --prefix="$out"/$A-unknown-linux-musl${tuple_suffix}/ --host=$A-unknown-linux-musl${tuple_suffix} --disable-shared
 }
 
 install() {
diff -Naur bootstrap-linux/cross-scripts/mpfr-3.0.1 bts/cross-scripts/mpfr-3.0.1
--- bootstrap-linux/cross-scripts/mpfr-3.0.1	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/mpfr-3.0.1	2012-07-27 19:36:50.000000000 +1000
@@ -5,7 +5,7 @@
 config() {
 	munge-config-sub
 
-	./configure --prefix="$out"/$A-unknown-linux-musl --host=$A-unknown-linux-musl --disable-shared
+	./configure --prefix="$out"/$A-unknown-linux-musl${tuple_suffix} --host=$A-unknown-linux-musl${tuple_suffix} --disable-shared
 }
 
 install() {
diff -Naur bootstrap-linux/cross-scripts/musl-0.9.0 bts/cross-scripts/musl-0.9.0
--- bootstrap-linux/cross-scripts/musl-0.9.0	2012-06-18 17:48:00.186828725 +1000
+++ bts/cross-scripts/musl-0.9.0	1970-01-01 10:00:00.000000000 +1000
@@ -1,14 +0,0 @@
-url=http://www.etalabs.net/musl/releases/musl-$version.tar.gz
-
-out="$top/cross"
-
-CC=$A-unknown-linux-musl-gcc
-
-config() {
-	./configure --target=$A-unknown-linux-musl --prefix="$out"/$A-unknown-linux-musl/ --syslibdir="$out"/lib \
-		--disable-gcc-wrapper --disable-shared
-}
-
-install() {
-	make install
-}
diff -Naur bootstrap-linux/cross-scripts/musl-0.9.2 bts/cross-scripts/musl-0.9.2
--- bootstrap-linux/cross-scripts/musl-0.9.2	1970-01-01 10:00:00.000000000 +1000
+++ bts/cross-scripts/musl-0.9.2	2012-07-27 18:08:45.000000000 +1000
@@ -0,0 +1,14 @@
+url=http://www.etalabs.net/musl/releases/musl-$version.tar.gz
+
+out="$top/cross"
+
+CC=$A-unknown-linux-musl${tuple_suffix}-gcc
+
+config() {
+	./configure --target=$A-unknown-linux-musl${tuple_suffix} --prefix="$out"/$A-unknown-linux-musl${tuple_suffix}/ --syslibdir="$out"/lib \
+		--disable-gcc-wrapper --disable-shared
+}
+
+install() {
+	make install
+}
diff -Naur bootstrap-linux/linux-arm.config bts/linux-arm.config
--- bootstrap-linux/linux-arm.config	1970-01-01 10:00:00.000000000 +1000
+++ bts/linux-arm.config	2012-07-18 16:36:22.000000000 +1000
@@ -0,0 +1,476 @@
+CONFIG_ARM=y
+CONFIG_MIGHT_HAVE_PCI=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_HAVE_SCHED_CLOCK=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_KTIME_SCALAR=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_HAVE_IRQ_WORK=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_CROSS_COMPILE=""
+CONFIG_LOCALVERSION=""
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+CONFIG_DEFAULT_HOSTNAME="(none)"
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_HAVE_SPARSE_IRQ=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_TINY_RCU=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
+CONFIG_NET_NS=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_XZ=y
+CONFIG_RD_LZO=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_UID16=y
+CONFIG_KALLSYMS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_CFQ=y
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_INLINE_SPIN_UNLOCK=y
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+CONFIG_INLINE_READ_UNLOCK=y
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+CONFIG_INLINE_WRITE_UNLOCK=y
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+CONFIG_FREEZER=y
+CONFIG_MMU=y
+CONFIG_ARCH_VERSATILE=y
+CONFIG_ARCH_VERSATILE_PB=y
+CONFIG_MACH_VERSATILE_AB=y
+CONFIG_PLAT_VERSATILE_CLCD=y
+CONFIG_PLAT_VERSATILE_FPGA_IRQ=y
+CONFIG_PLAT_VERSATILE_SCHED_CLOCK=y
+CONFIG_PLAT_VERSATILE=y
+CONFIG_ARM_TIMER_SP804=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+CONFIG_CPU_USE_DOMAINS=y
+CONFIG_ARM_THUMB=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
+CONFIG_ICST=y
+CONFIG_ARM_AMBA=y
+CONFIG_PCI=y
+CONFIG_PCI_SYSCALL=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+CONFIG_HAVE_ARCH_PFN_VALID=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_LEDS=y
+CONFIG_LEDS_CPU=y
+CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="root=1f03 mem=32M"
+CONFIG_CMDLINE_FROM_BOOTLOADER=y
+CONFIG_FPE_NWFPE=y
+CONFIG_VFP=y
+CONFIG_BINFMT_ELF=y
+CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
+CONFIG_HAVE_AOUT=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_PM_SLEEP=y
+CONFIG_PM=y
+CONFIG_PM_CLK=y
+CONFIG_CPU_PM=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARM_CPU_SUSPEND=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+CONFIG_INET_LRO=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+CONFIG_WIRELESS=y
+CONFIG_UEVENT_HELPER_PATH=""
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_BLK_DEV=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_HAVE_IDE=y
+CONFIG_SCSI_MOD=y
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+CONFIG_SCSI_PROC_FS=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SR=y
+CONFIG_SCSI_WAIT_SCAN=m
+CONFIG_SCSI_SPI_ATTRS=y
+CONFIG_SCSI_LOWLEVEL=y
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
+CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
+CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
+CONFIG_SCSI_SYM53C8XX_MMIO=y
+CONFIG_NETDEVICES=y
+CONFIG_NET_CORE=y
+CONFIG_MII=y
+CONFIG_ETHERNET=y
+CONFIG_NET_VENDOR_3COM=y
+CONFIG_NET_VENDOR_ADAPTEC=y
+CONFIG_NET_VENDOR_ALTEON=y
+CONFIG_NET_VENDOR_AMD=y
+CONFIG_NET_VENDOR_ATHEROS=y
+CONFIG_NET_VENDOR_BROADCOM=y
+CONFIG_NET_VENDOR_BROCADE=y
+CONFIG_NET_VENDOR_CHELSIO=y
+CONFIG_NET_VENDOR_CISCO=y
+CONFIG_NET_VENDOR_DEC=y
+CONFIG_NET_VENDOR_DLINK=y
+CONFIG_NET_VENDOR_EMULEX=y
+CONFIG_NET_VENDOR_EXAR=y
+CONFIG_NET_VENDOR_FARADAY=y
+CONFIG_NET_VENDOR_HP=y
+CONFIG_NET_VENDOR_INTEL=y
+CONFIG_NET_VENDOR_I825XX=y
+CONFIG_NET_VENDOR_MARVELL=y
+CONFIG_NET_VENDOR_MELLANOX=y
+CONFIG_NET_VENDOR_MICREL=y
+CONFIG_NET_VENDOR_MYRI=y
+CONFIG_NET_VENDOR_NATSEMI=y
+CONFIG_NET_VENDOR_8390=y
+CONFIG_NET_VENDOR_NVIDIA=y
+CONFIG_NET_VENDOR_OKI=y
+CONFIG_NET_PACKET_ENGINE=y
+CONFIG_NET_VENDOR_QLOGIC=y
+CONFIG_NET_VENDOR_REALTEK=y
+CONFIG_NET_VENDOR_RDC=y
+CONFIG_NET_VENDOR_SEEQ=y
+CONFIG_NET_VENDOR_SILAN=y
+CONFIG_NET_VENDOR_SIS=y
+CONFIG_NET_VENDOR_SMSC=y
+CONFIG_SMC91X=y
+CONFIG_NET_VENDOR_STMICRO=y
+CONFIG_NET_VENDOR_SUN=y
+CONFIG_NET_VENDOR_TEHUTI=y
+CONFIG_NET_VENDOR_TI=y
+CONFIG_NET_VENDOR_VIA=y
+CONFIG_WLAN=y
+CONFIG_INPUT=y
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_PS2=y
+CONFIG_MOUSE_PS2_ALPS=y
+CONFIG_MOUSE_PS2_LOGIPS2PP=y
+CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_TRACKPOINT=y
+CONFIG_SERIO=y
+CONFIG_SERIO_AMBAKMI=y
+CONFIG_SERIO_LIBPS2=y
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_VT_CONSOLE_SLEEP=y
+CONFIG_HW_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=16
+CONFIG_DEVKMEM=y
+CONFIG_SERIAL_8250=m
+CONFIG_SERIAL_8250_PCI=m
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_RSA=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_HW_RANDOM=m
+CONFIG_DEVPORT=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_HELPER_AUTO=y
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+CONFIG_SSB_POSSIBLE=y
+CONFIG_BCMA_POSSIBLE=y
+CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_ARMCLCD=y
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FONTS=y
+CONFIG_FONT_ACORN_8x8=y
+CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+CONFIG_SND_VMASTER=y
+CONFIG_SND_AC97_CODEC=m
+CONFIG_SND_DRIVERS=y
+CONFIG_SND_PCI=y
+CONFIG_SND_ARM=y
+CONFIG_SND_ARMAACI=m
+CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB_ARCH_HAS_XHCI=y
+CONFIG_MMC=y
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_MINORS=8
+CONFIG_MMC_BLOCK_BOUNCE=y
+CONFIG_MMC_ARMMMCI=m
+CONFIG_RTC_LIB=y
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_HAVE_MACH_CLKDEV=y
+CONFIG_CLKSRC_MMIO=y
+CONFIG_IOMMU_SUPPORT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_USE_FOR_EXT23=y
+CONFIG_EXT4_FS_XATTR=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_JBD2=y
+CONFIG_FS_MBCACHE=y
+CONFIG_FS_POSIX_ACL=y
+CONFIG_EXPORTFS=y
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY_USER=y
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_MISC_FILESYSTEMS=y
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+CONFIG_CRAMFS=y
+CONFIG_MINIX_FS=y
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+CONFIG_ROMFS_ON_BLOCK=y
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_ISO8859_1=m
+CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_SCHED_DEBUG=y
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+CONFIG_BRANCH_PROFILE_NONE=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_LL_UART_NONE=y
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_ALGAPI2=m
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=m
+CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANSI_CPRNG=m
+CONFIG_CRYPTO_HW=y
+CONFIG_BITREVERSE=y
+CONFIG_CRC16=y
+CONFIG_CRC32=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_XZ_DEC=y
+CONFIG_XZ_DEC_X86=y
+CONFIG_XZ_DEC_POWERPC=y
+CONFIG_XZ_DEC_IA64=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_ARMTHUMB=y
+CONFIG_XZ_DEC_SPARC=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_XZ=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
diff -Naur bootstrap-linux/patches/gdb-7.4.1-musl.diff bts/patches/gdb-7.4.1-musl.diff
--- bootstrap-linux/patches/gdb-7.4.1-musl.diff	1970-01-01 10:00:00.000000000 +1000
+++ bts/patches/gdb-7.4.1-musl.diff	2012-07-19 00:36:07.000000000 +1000
@@ -0,0 +1,20 @@
+--- gdb-7.4.1/config.sub.orig	2011-11-02 11:56:53.000000000 +1100
++++ gdb-7.4.1/config.sub	2012-07-18 18:10:19.427187199 +1000
+@@ -124,7 +124,7 @@
+ # Here we must recognize all the valid KERNEL-OS combinations.
+ maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+ case $maybe_os in
+-  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
++  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | linux-musl* | \
+   linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+   knetbsd*-gnu* | netbsd*-gnu* | \
+   kopensolaris*-gnu* | \
+@@ -1345,7 +1345,7 @@
+ 	      | -chorusos* | -chorusrdb* | -cegcc* \
+ 	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+ 	      | -mingw32* | -linux-gnu* | -linux-android* \
+-	      | -linux-newlib* | -linux-uclibc* \
++	      | -linux-newlib* | -linux-uclibc* | -linux-musl* \
+ 	      | -uxpv* | -beos* | -mpeix* | -udk* \
+ 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
diff -Naur bootstrap-linux/utils/build bts/utils/build
--- bootstrap-linux/utils/build	2012-06-18 17:48:00.190162059 +1000
+++ bts/utils/build	2012-07-27 19:55:24.000000000 +1000
@@ -2,6 +2,8 @@
 
 : ${A:=$(uname -m)}
 export A
+tuple_suffix=""
+[ $A = "arm" ] && export tuple_suffix=eabi
 
 : ${top:=`pwd`}
 : ${out:=$top/out}
@@ -35,12 +37,12 @@
 config() {
 	if [ -x configure ];then
 		munge-config-sub
-		./configure --prefix=/ --host=$A-unknown-linux-musl
+		./configure --prefix=/ --host=$A-unknown-linux-musl${tuple_suffix}
 	fi
 }
 
 build() {
-	make
+	make -j 4
 }
 
 install() {