You got a couple of answers from those with knowledge.  As they were not quite 
positive I may chirp in with the suggestion of obfuscation.
E g encrypt a part or the whole of program X and let program Y decrypt that at 
execution time.  The decryption key and decryption routine may be arbitrarily 
obfuscated.    
(This of course assumes that program X can be changed in that way.)



Regards
Thomas Berg
________________________________________________________________
Thomas Berg   Specialist   z/OS/IT Delivery   SWEDBANK AB (Publ)

> -----Ursprungligt meddelande-----
> Från: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> För Charles Mills
> Skickat: den 11 februari 2013 23:33
> Till: IBM-MAIN@LISTSERV.UA.EDU
> Ämne: How do people lock down the compilers "inside" CA Endevor?
> 
> This is a theoretical question. I am *not* an Endevor user. I am trying
> to solve a *similar* problem and this is the best way to explain it.
> 
> Here's the question: at shops that use Endevor for all compiles, how do
> you "lock down" the compilers so that programmers can only run the
> compilers under Endevor, not with plain old JCL? What about programmers
> who might have "private copies" of the compiler load libraries?
> 
> (More generically, if X is a load module, is it possible to set things
> up such that program Y can run X, but PGM=X will never work? How? I
> have thought about engineering a rename to a name that JCL will not
> accept (but LINK will) but I would just as soon not get that weird;
> rather do things in a more supported way.)
> 
> Thanks,
> 
> Charles
> 
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