[opendx-dev] dx/windows cc cxx

[Greg]

Update of /src/master/dx/windows
In directory opendx.watson.ibm.com:/tmp/cvs-serv43604

Modified Files:
        cc cxx 
Log Message:
environment cleanup - assume XDKDEV, MSDEV abd MSCOM set in envronment
Changes to support RTL... create def file if entry point given; allow
def file to be provided, create dll