--- /dev/null
+#include <string.h>
+#include "config.h"
+
+/**
+ * breakpoint - break if the program is run under gdb.
+ *
+ * This code allows you to insert breakpoints within a program. These will
+ * do nothing unless your program is run under GDB.
+ *
+ * License: CC0 (Public domain)
+ *
+ * Example:
+ * #include <ccan/breakpoint/breakpoint.h>
+ *
+ * int main(void)
+ * {
+ * breakpoint();
+ * return 0;
+ * }
+ */
+int main(int argc, char *argv[])
+{
+ /* Expect exactly one argument */
+ if (argc != 2)
+ return 1;
+
+ if (strcmp(argv[1], "depends") == 0) {
+ printf("ccan/compiler\n");
+ return 0;
+ }
+
+ return 1;
+}