-extern void warning (int, const char *, ...) ATTRIBUTE_PRINTF_2;
-extern void error (const char *, ...) ATTRIBUTE_PRINTF_1;
-extern void fatal (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
-extern void internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
+extern void warning (int, const char *, ...) ATTRIBUTE_PRINTF_2 ATTRIBUTE_COLD;
+extern void error (const char *, ...) ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;
+extern void fatal (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;
+extern void internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;