message: to prevent undefined boost::filesystem::detail::copy_file
diff: @@ -420,7 +420,7 @@ win32:!contains(MINGW_THREAD_BUGFIX, 0) {
  macx:HEADERS += src/qt/macdockiconhandler.h
  macx:OBJECTIVE_SOURCES += src/qt/macdockiconhandler.mm
  macx:LIBS += -framework Foundation -framework ApplicationServices -framework AppKit
  -macx:DEFINES += MAC_OSX MSG_NOSIGNAL=0
  +macx:DEFINES += BOOST_NO_CXX11_SCOPED_ENUMS MAC_OSX MSG_NOSIGNAL=0
  macx:ICON = src/qt/res/icons/peercoin.icns
  macx:QMAKE_CFLAGS_THREAD += -pthread
  macx:QMAKE_LFLAGS_THREAD += -pthread
  