+extern void no_app_nap (); // cocoacarbon.mm
+
+static void
+setup_logging(void)
+{
+ /* The ASL API has evolved since it was introduced in 10.4. If ASL_LOG_DESCRIPTOR_WRITE is not available,
+ then we're not interested in doing any of this, since its only purpose is to get stderr/stdout to
+ appear in the Console.
+ */
+#ifdef ASL_LOG_DESCRIPTOR_WRITE
+ aslmsg msg;
+ aslclient c = asl_open (PROGRAM_NAME, "com.apple.console", 0);
+
+ msg = asl_new(ASL_TYPE_MSG);
+ asl_set(msg, ASL_KEY_FACILITY, "com.apple.console");
+ asl_set(msg, ASL_KEY_LEVEL, ASL_STRING_NOTICE);
+ asl_set(msg, ASL_KEY_READ_UID, "-1");
+
+ int fd = dup(2);
+ //asl_set_filter(c, ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG));
+ asl_add_log_file(c, fd);
+ asl_log(c, NULL, ASL_LEVEL_INFO, string_compose ("Hello world from %1", PROGRAM_NAME).c_str());
+ asl_log_descriptor(c, msg, ASL_LEVEL_INFO, 1, ASL_LOG_DESCRIPTOR_WRITE);
+ asl_log_descriptor(c, msg, ASL_LEVEL_INFO, 2, ASL_LOG_DESCRIPTOR_WRITE);
+#else
+#warning This build host has an older ASL API, so no console logging in this build.
+#endif
+}