The Darwin/MacOSX joystick code is largely copied from the HID Utilities

 package...make the symbols defined by HID Utilities static inside SDL so that
 an app can link against their own copy of this package without symbol clash.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401078

src/joystick/darwin/SDL_sysjoystick.c

@@ -104,7 +104,7 @@ typedef struct joystick_hwdata recDevice;
 static recDevice *gpDeviceList = NULL;
 
 
-void HIDReportErrorNum (char * strError, long numError)
+static void HIDReportErrorNum (char * strError, long numError)
 {
 	SDL_SetError(strError);
 }
@@ -115,7 +115,7 @@ static void HIDGetCollectionElements (CFMutableDictionaryRef deviceProperties, r
  * will return 0 on error conditions which should be accounted for by application
  */
 
-SInt32 HIDGetElementValue (recDevice *pDevice, recElement *pElement)
+static SInt32 HIDGetElementValue (recDevice *pDevice, recElement *pElement)
 {
 	IOReturn result = kIOReturnSuccess;
 	IOHIDEventStruct hidEvent;
@@ -140,7 +140,7 @@ SInt32 HIDGetElementValue (recDevice *pDevice, recElement *pElement)
 
 /* similiar to HIDGetElementValue, but auto-calibrates the value before returning it */
 
-SInt32 HIDCalibratedValue (recDevice *pDevice, recElement *pElement)
+static SInt32 HIDCalibratedValue (recDevice *pDevice, recElement *pElement)
 {
 	float deviceScale = pElement->max - pElement->min;
 	float readScale = pElement->maxReport - pElement->minReport;
@@ -153,7 +153,7 @@ SInt32 HIDCalibratedValue (recDevice *pDevice, recElement *pElement)
 
 /* similiar to HIDCalibratedValue but calibrates to an arbitrary scale instead of the elements default scale */
 
-SInt32 HIDScaledCalibratedValue (recDevice *pDevice, recElement *pElement, long min, long max)
+static SInt32 HIDScaledCalibratedValue (recDevice *pDevice, recElement *pElement, long min, long max)
 {
 	float deviceScale = max - min;
 	float readScale = pElement->maxReport - pElement->minReport;
@@ -181,7 +181,7 @@ static void HIDRemovalCallback(void * target,
  * Note: appliction now owns the device and must close and release it prior to exiting
  */
 
-IOReturn HIDCreateOpenDeviceInterface (io_object_t hidDevice, recDevice *pDevice)
+static IOReturn HIDCreateOpenDeviceInterface (io_object_t hidDevice, recDevice *pDevice)
 {
 	IOReturn result = kIOReturnSuccess;
 	HRESULT plugInResult = S_OK;
@@ -222,7 +222,7 @@ IOReturn HIDCreateOpenDeviceInterface (io_object_t hidDevice, recDevice *pDevice
  * (device may have to be plug and re-plugged in different location to get it working again without a restart)
  */
 
-IOReturn HIDCloseReleaseInterface (recDevice *pDevice)
+static IOReturn HIDCloseReleaseInterface (recDevice *pDevice)
 {
 	IOReturn result = kIOReturnSuccess;