digraph G {
	rank=same {linker_src libc_src kernel_src cc_src}
	linker_src [label="$LINKER source\n(binutils-source)"]
	libc_src [label="$LIBC source\n(eglibc-source)"]
	kernel_src [label="$KERNEL source\n(linux-source-2.6.29)"]
	cc_src [label="$CC source\n(gcc-4.4-source)"]

	subgraph cluster_linker {
		label="linker build\n(src:binutils-mips-linux-gnu)"
		linker [label="$LINKER for $TRIPLET\n(binutils-mips-linux-gnu)"]
	}

	subgraph cluster_kernel_headers {
		label="kernel headers build\n(src:linux-libc-dev-mips-cross)"
		kernel_headers [label="$KERNEL headers for $ARCH\n(linux-libc-dev-mips-cross)"]
	}

	subgraph cluster_cc {
		label="crosscompiler build\n(src:gcc4.4-mips-linux-gnu)"

		libc_headers [style=dotted, label="$LIBC headers for $TRIPLET"]
		libc_stage1 [style=dotted, label="limited $LIBC code for $TRIPLET"]
		cc_stage1 [style=dotted, label="stage 1 limited $CC crosscompiler for $TRIPLET"]
		cc_stage2 [style=dotted, label="stage 2 limited $CC crosscompiler for $TRIPLET"]

		libc [label="$LIBC headers and libs for $TRIPLET\n(libc6-mips-linux-gnu)"]
		cc [label="$CC crosscompiler for $TRIPLET\n(gcc-4.4-mips-linux-gnu)"]
	}

//	rank=same {linker libc kernel_headers cc}

	linker_src -> linker

	kernel_src -> kernel_headers

	libc_src -> libc_headers

	cc_src -> cc_stage1
	linker -> cc_stage1
	kernel_headers -> cc_stage1
	libc_headers -> cc_stage1

	libc_src -> libc_stage1
	kernel_headers -> libc_stage1
	cc_stage1 -> libc_stage1
	linker -> libc_stage1

	cc_src -> cc_stage2
	kernel_headers -> cc_stage2
	libc_headers -> cc_stage2
	libc_stage1 -> cc_stage2
	linker -> cc_stage2

	libc_src -> libc
	kernel_headers -> libc
	cc_stage2 -> libc
	linker -> libc

	cc_src -> cc
	kernel_headers -> cc
//	libc_headers -> cc
	libc -> cc
	linker -> cc
}