Disable serial number for MacOSX

lm4flash/lm4flash.c

@@ -575,10 +575,14 @@ flasher_find_matching_device(
 	const char *serial)
 {
 	struct libusb_device_descriptor device_descriptor;
+#ifndef __APPLE__
 	char descriptor_buffer[256];
+#endif
 	libusb_device **device_list = NULL;
 	libusb_device *matching_device = NULL;
+#ifndef __APPLE__
 	libusb_device_handle *handle;
+#endif
 	enum flasher_error flasher_error;
 	enum libusb_error libusb_error;
 
@@ -619,6 +623,8 @@ flasher_find_matching_device(
 		    device_descriptor.idProduct != product_id) {
 			continue;
 		}
+
+#ifndef __APPLE__
 		/* Open each device so that we can read the serial number */
 		retval = libusb_open(device_list[device_index], &handle);
 		if (retval < 0) {
@@ -641,6 +647,7 @@ flasher_find_matching_device(
 		/* Skip devices with serial that does not match */
 		if (serial != NULL && strcmp(serial, descriptor_buffer) != 0)
 			continue;
+#endif
 		if (matching_device == NULL) {
 			flasher_error = FLASHER_SUCCESS;
 			matching_device = device_list[device_index];