digraph G {
	size="8,10"
	rank=same {linker kernel_headers libc_src cc_src}
	linker [color="blue", label="$TRIPLET $LINKER\n(binutils-mips-linux-gnu)"]
	kernel_headers [color="blue", label="$ARCH $KERNEL headers\n(linux-libc-dev-mips-cross)"]
	libc_src [color="blue", label="$LIBC source\n(eglibc-source)"]
	cc_src [color="blue", label="$CC source\n(gcc-4.4-source)"]

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

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

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

	// hack to push subgraph down below line of dependencies
	cc_src -> libc_headers [style="invis"]

	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
}