memcpy(deps + core_deps, tdeps, sizeof(tdeps[0]) * test_deps);
/* ccan/tap is given a free pass. */
deps[core_deps + test_deps] = (char *)"ccan/tap";
memcpy(deps + core_deps, tdeps, sizeof(tdeps[0]) * test_deps);
/* ccan/tap is given a free pass. */
deps[core_deps + test_deps] = (char *)"ccan/tap";