@@ -279,10 +279,11 @@
 
 @implementation OFDatePlaceholder
 #ifdef __clang__
 /* We intentionally don't call into super, so silence the warning. */
 # pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wunknown-pragmas"
 # pragma clang diagnostic ignored "-Wobjc-designated-initializers"
 #endif
 - (instancetype)initWithTimeIntervalSince1970: (of_time_interval_t)seconds
 {
 #if defined(OF_OBJFW_RUNTIME) && UINTPTR_MAX == UINT64_MAX