}
xprintf("##### Building Go toolchain using %s.\n", goroot_bootstrap)
+ mkzbootstrap(pathf("%s/src/cmd/internal/obj/zbootstrap.go", goroot))
+
// Use $GOROOT/pkg/bootstrap as the bootstrap workspace root.
// We use a subdirectory of $GOROOT/pkg because that's the
// space within $GOROOT where we store all generated objects.