@@ -15,11 +15,11 @@
  */
 
 #import "objfw-defs.h"
 
 #if !defined(OF_HAVE_THREADS) || \
-    (!defined(OF_HAVE_PTHREADS) && !defined(_WIN32))
+	(!defined(OF_HAVE_PTHREADS) && !defined(_WIN32))
 # error No threads available!
 #endif
 
 #include <math.h>
 
@@ -40,10 +40,12 @@
 typedef CRITICAL_SECTION of_mutex_t;
 typedef struct {
 	HANDLE event;
 	int count;
 } of_condition_t;
+#else
+# error No threads available!
 #endif
 
 #if defined(OF_HAVE_ATOMIC_OPS)
 # import "atomic.h"
 typedef volatile int of_spinlock_t;
@@ -67,10 +69,13 @@
 # define of_thread_is_current(t) pthread_equal(t, pthread_self())
 # define of_thread_current pthread_self
 #elif defined(_WIN32)
 # define of_thread_is_current(t) (t == GetCurrentThread())
 # define of_thread_current GetCurrentThread
+#else
+# error of_thread_is_current not implemented!
+# error of_thread_current not implemented!
 #endif
 
 static OF_INLINE bool
 of_thread_new(of_thread_t *thread, id (*function)(id), id data)
 {
@@ -80,10 +85,12 @@
 #elif defined(_WIN32)
 	*thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)function,
 	    (__bridge void*)data, 0, NULL);
 
 	return (thread != NULL);
+#else
+# error of_thread_new not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_thread_join(of_thread_t thread)
@@ -104,10 +111,12 @@
 		return false;
 
 	CloseHandle(thread);
 
 	return true;
+#else
+# error of_thread_join not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_thread_detach(of_thread_t thread)
@@ -115,10 +124,12 @@
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_detach(thread);
 #elif defined(_WIN32)
 	/* FIXME */
 	return true;
+#else
+# error of_thread_detach not implemented!
 #endif
 }
 
 static OF_INLINE void
 of_thread_exit(void)
@@ -125,10 +136,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	pthread_exit(NULL);
 #elif defined(_WIN32)
 	ExitThread(0);
+#else
+# error of_thread_exit not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_mutex_new(of_mutex_t *mutex)
@@ -136,10 +149,12 @@
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_mutex_init(mutex, NULL);
 #elif defined(_WIN32)
 	InitializeCriticalSection(mutex);
 	return true;
+#else
+# error of_mutex_new not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_mutex_free(of_mutex_t *mutex)
@@ -147,10 +162,12 @@
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_mutex_destroy(mutex);
 #elif defined(_WIN32)
 	DeleteCriticalSection(mutex);
 	return true;
+#else
+# error of_mutex_free not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_mutex_lock(of_mutex_t *mutex)
@@ -158,10 +175,12 @@
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_mutex_lock(mutex);
 #elif defined(_WIN32)
 	EnterCriticalSection(mutex);
 	return true;
+#else
+# error of_mutex_lock not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_mutex_trylock(of_mutex_t *mutex)
@@ -168,10 +187,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_mutex_trylock(mutex);
 #elif defined(_WIN32)
 	return TryEnterCriticalSection(mutex);
+#else
+# error of_mutex_trylock not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_mutex_unlock(of_mutex_t *mutex)
@@ -179,10 +200,12 @@
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_mutex_unlock(mutex);
 #elif defined(_WIN32)
 	LeaveCriticalSection(mutex);
 	return true;
+#else
+# error of_mutex_unlock not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_new(of_condition_t *condition)
@@ -194,10 +217,12 @@
 
 	if ((condition->event = CreateEvent(NULL, FALSE, 0, NULL)) == NULL)
 		return false;
 
 	return true;
+#else
+# error of_condition_new not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_wait(of_condition_t *condition, of_mutex_t *mutex)
@@ -219,10 +244,12 @@
 
 	if (!of_mutex_lock(mutex))
 		return false;
 
 	return true;
+#else
+# error of_condition_wait not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_timed_wait(of_condition_t *condition, of_mutex_t *mutex,
@@ -251,10 +278,12 @@
 
 	if (!of_mutex_lock(mutex))
 		return false;
 
 	return true;
+#else
+# error of_condition_timed_wait not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_signal(of_condition_t *condition)
@@ -261,10 +290,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_cond_signal(condition);
 #elif defined(_WIN32)
 	return SetEvent(condition->event);
+#else
+# error of_condition_signal not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_broadcast(of_condition_t *condition)
@@ -277,10 +308,12 @@
 	for (i = 0; i < condition->count; i++)
 		if (!SetEvent(condition->event))
 			return false;
 
 	return true;
+#else
+# error of_condition_broadcast not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_condition_free(of_condition_t *condition)
@@ -290,10 +323,12 @@
 #elif defined(_WIN32)
 	if (condition->count)
 		return false;
 
 	return CloseHandle(condition->event);
+#else
+# error of_condition_free not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_tlskey_new(of_tlskey_t *key)
@@ -300,10 +335,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_key_create(key, NULL);
 #elif defined(_WIN32)
 	return ((*key = TlsAlloc()) != TLS_OUT_OF_INDEXES);
+#else
+# error of_tlskey_new not implemented!
 #endif
 }
 
 static OF_INLINE void*
 of_tlskey_get(of_tlskey_t key)
@@ -310,10 +347,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return pthread_getspecific(key);
 #elif defined(_WIN32)
 	return TlsGetValue(key);
+#else
+# error of_tlskey_get not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_tlskey_set(of_tlskey_t key, void *ptr)
@@ -320,10 +359,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_setspecific(key, ptr);
 #elif defined(_WIN32)
 	return TlsSetValue(key, ptr);
+#else
+# error of_tlskey_set not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_tlskey_free(of_tlskey_t key)
@@ -330,10 +371,12 @@
 {
 #if defined(OF_HAVE_PTHREADS)
 	return !pthread_key_delete(key);
 #elif defined(_WIN32)
 	return TlsFree(key);
+#else
+# error of_tlskey_free not implemented!
 #endif
 }
 
 static OF_INLINE bool
 of_spinlock_new(of_spinlock_t *spinlock)