+char *build_submodule(struct manifest *m)
+{
+ char *errstr;
+ struct stat st;
+
+ if (m->compiled)
+ return NULL;
+
+ if (!expect_obj_file(m))
+ return NULL;
+
+ m->compiled = talloc_asprintf(m, "%s.o", m->dir);
+ if (stat(m->compiled, &st) == 0)
+ return NULL;
+
+ if (verbose >= 2)
+ printf(" Building dependency %s\n", m->dir);
+
+ errstr = build_subdir_objs(m);
+ if (errstr)
+ return errstr;
+
+ m->compiled = build_module(m, false, &errstr);
+ if (!m->compiled)
+ return errstr;
+ return NULL;
+}
+