+ const char *prefix = "";
+ char *dir = tal_getcwd(NULL), *base_dir = dir, *testlink;
+ struct dgraph_node all;
+
+ /* Empty graph node to which we attach everything else. */
+ dgraph_init_node(&all);
+
+ opt_register_early_noarg("--verbose|-v", opt_inc_intval, &verbose,
+ "verbose mode (up to -vvvv)");
+ opt_register_noarg("-n|--safe-mode", opt_set_bool, &safe_mode,
+ "do not compile anything");
+ opt_register_noarg("-l|--list-tests", list_tests, NULL,
+ "list tests ccanlint performs (and exit)");
+ opt_register_noarg("--test-dep-graph", test_dependency_graph, NULL,
+ "print dependency graph of tests in Graphviz .dot format");
+ opt_register_noarg("-k|--keep", keep_tests, NULL,
+ "do not delete ccanlint working files");
+ opt_register_noarg("--summary|-s", opt_set_bool, &summary,
+ "simply give one line summary");
+ opt_register_arg("-x|--exclude <testname>", exclude_test, NULL, NULL,
+ "exclude <testname> (can be used multiple times)");
+ opt_register_arg("--timeout <milleseconds>", opt_set_uintval,
+ NULL, &timeout,
+ "ignore (terminate) tests that are slower than this");
+ opt_register_arg("-t|--target <testname>", opt_set_target, NULL, &all,
+ "only run one test (and its prerequisites)");
+ opt_register_arg("--compiler <compiler>", opt_set_const_charp,
+ NULL, &compiler, "set the compiler");
+ opt_register_arg("--cflags <flags>", opt_set_const_charp,
+ NULL, &cflags, "set the compiler flags");
+ opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
+ "\nA program for checking and guiding development"
+ " of CCAN modules.",
+ "This usage message");
+
+ /* Do verbose before anything else... */
+ opt_early_parse(argc, argv, opt_log_stderr_exit);
+
+ /* We move into temporary directory, so gcov dumps its files there. */
+ if (chdir(temp_dir()) != 0)
+ err(1, "Error changing to %s temporary dir", temp_dir());