--- /dev/null
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/tal/grab_file/grab_file.h>
+#include <ccan/read_write_all/read_write_all.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 void check_info_compiles(struct manifest *m,
+ unsigned int *timeleft, struct score *score)
+{
+ char *info_c_file, *info, *output;
+ int fd;
+
+ /* We don't really fail if we're in safe mode: our dependencies
+ * still run. */
+ if (safe_mode) {
+ score->pass = true;
+ score->score = 0;
+ return;
+ }
+
+ /* Copy it to a file with proper .c suffix. */
+ info = grab_file(score, m->info_file->fullname);
+ if (!info) {
+ score_file_error(score, m->info_file, 0,
+ "could not be read: %s", strerror(errno));
+ return;
+ }
+
+ info_c_file = temp_file(info, ".c", "_info");
+ fd = open(info_c_file, O_WRONLY|O_CREAT|O_EXCL, 0600);
+ if (fd < 0 || !write_all(fd, info, tal_count(info)-1))
+ err(1, "Copying _info file");
+
+ if (close(fd) != 0)
+ err(1, "Closing _info file");
+
+ m->info_file->compiled[COMPILE_NORMAL] = temp_file(m, "", "info");
+ if (!compile_and_link(score, info_c_file, find_ccan_dir(m->dir), "",
+ compiler, cflags, "",
+ m->info_file->compiled[COMPILE_NORMAL],
+ &output)) {
+ score_file_error(score, m->info_file, 0,
+ "Errors compiling _info:\n%s", output);
+ return;
+ }
+
+ score->pass = true;
+ score->score = 1;
+}
+
+struct ccanlint info_compiles = {
+ .key = "info_compiles",
+ .name = "_info compiles",
+ .check = check_info_compiles,
+ .needs = "info_exists",
+ .compulsory = true
+};
+
+REGISTER_TEST(info_compiles);