Util: Allow disabling the threading code entirely

CHANGES

@@ -58,6 +58,7 @@ Misc:
  - Qt: Only hide cursor in full screen
  - Perf: Ability to load savestates immediately on launch
  - Qt: Replace pause-after-frame mutex with an atomic
+ - Util: Allow disabling the threading code entirely
 
 0.2.1: (2015-05-13)
 Bugfixes:

src/gba/supervisor/thread.c

@@ -25,6 +25,7 @@
 
 static const float _defaultFPSTarget = 60.f;
 
+#ifndef DISABLE_THREADING
 #ifdef USE_PTHREADS
 static pthread_key_t _contextKey;
 static pthread_once_t _contextOnce = PTHREAD_ONCE_INIT;
@@ -45,7 +46,6 @@ static BOOL CALLBACK _createTLS(PINIT_ONCE once, PVOID param, PVOID* context) {
 }
 #endif
 
-#ifndef DISABLE_THREADING
 static void _changeState(struct GBAThread* threadContext, enum ThreadState newState, bool broadcast) {
 	MutexLock(&threadContext->stateMutex);
 	threadContext->state = newState;

src/util/threading.h

@@ -8,6 +8,7 @@
 
 #include "util/common.h"
 
+#ifndef DISABLE_THREADING
 #ifdef USE_PTHREADS
 #include <pthread.h>
 #include <sys/time.h>
@@ -144,6 +145,9 @@ static inline int ThreadJoin(Thread thread) {
 }
 #else
 #define DISABLE_THREADING
+#endif
+#endif
+#ifdef DISABLE_THREADING
 typedef void* Thread;
 typedef void* Mutex;
 typedef void* Condition;