--- /dev/null
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <ctype.h>
+
+static const char *can_build(struct manifest *m)
+{
+ if (safe_mode)
+ return "Safe mode enabled";
+ return NULL;
+}
+
+static void check_objs_build(struct manifest *m,
+ bool keep,
+ unsigned int *timeleft, struct score *score)
+{
+ struct ccan_file *i;
+ bool errors = false, warnings = false;
+
+ if (list_empty(&m->c_files))
+ score->total = 0;
+ else
+ score->total = 2;
+
+ list_for_each(&m->c_files, i, list) {
+ char *output;
+ char *fullfile = talloc_asprintf(m, "%s/%s", m->dir, i->name);
+
+ i->compiled = maybe_temp_file(m, "", keep, fullfile);
+ if (!compile_object(score, fullfile, ccan_dir, "", i->compiled,
+ &output)) {
+ talloc_free(i->compiled);
+ score->error = "Compiling object files";
+ score_file_error(score, i, 0, output);
+ errors = true;
+ } else if (!streq(output, "")) {
+ score->error = "Compiling object files gave warnings";
+ score_file_error(score, i, 0, output);
+ warnings = true;
+ }
+ }
+
+ if (!errors) {
+ score->pass = true;
+ score->score = score->total - warnings;
+ }
+}
+
+struct ccanlint objects_build = {
+ .key = "objects_build",
+ .name = "Module object files can be built",
+ .check = check_objs_build,
+ .can_run = can_build,
+ .needs = "depends_exist"
+};
+
+REGISTER_TEST(objects_build);