On Jul 4, 2010, at 09:10, Rod Gallant wrote: > Checking for C header file /System/Library/Frameworks/CoreMIDI.framework/Headers/CoreMIDI.h... no Do you have this file? I do, and it looks like it's part of the 10.6, 10.5 and 10.4u SDKs so it should be present on every Mac that can run MacPorts.