Index: hydrogen/libs/hydrogen/src/IO/portmidi_driver.cpp
===================================================================
--- hydrogen.orig/libs/hydrogen/src/IO/portmidi_driver.cpp	2010-02-13 06:16:54.000000000 +0100
+++ hydrogen/libs/hydrogen/src/IO/portmidi_driver.cpp	2010-02-13 06:17:46.000000000 +0100
@@ -31,7 +31,7 @@
 #ifdef PORTMIDI_SUPPORT
 
 #include <porttime.h>
-#define TIME_PROC ((long (*)(void *)) Pt_Time)
+#define TIME_PROC ((PmTimestamp (*)(void *)) Pt_Time)
 #define TIME_START Pt_Start(1, 0, 0) /* timer started w/millisecond accuracy */
 
 #include <pthread.h>
@@ -47,7 +47,7 @@
 	_INFOLOG( "PortMidiDriver_thread starting" );
 
 	PmError status;
-	PmError length;
+	int length;
 	PmEvent buffer[1];
 	while ( instance->m_bRunning ) {
 		status = Pm_Poll( instance->m_pMidiIn );