In order to get the latest juce to compile for ppc, I had to surround
static inline MsgSendFPRetFn getMsgSendFPRetFn() noexcept { return (MsgSendFPRetFn) (void*) objc_msgSend_fpret; }
by #if ! JUCE_PPC ... #endif in juce_osx_ObjCHelpers.h ( objc_msgSend_fpret is not available for ppc)