NEXT_ROOT ?= "" ;
if $(JAMBASE) = "" {
    if $(OS) = NT {
        SYSTEM_DEVELOPER_DIR = /Developer ;
    } else {
        SYSTEM_DEVELOPER_DIR = /Developer ;
    }
    if $(OS) = NT {
        LOCAL_DEVELOPER_DIR = /Local/Developer ;
    } else {
        LOCAL_DEVELOPER_DIR = /Library/Developer ;
    }
    JAMBASE_DIR ?= $(NEXT_ROOT)$(SYSTEM_DEVELOPER_DIR)/Makefiles/pbx_jamfiles ;
    include $(JAMBASE_DIR)/Jambase ;
}
else {
    JAMBASE_DIR = $(JAMBASE:D) ;
    include $(JAMBASE) ;
}
