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Why we should compile CICS with NODYNAM option?

 
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Himanshu Khatri

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Joined: 11 Jun 2007
Posts: 15
Location: Pune

PostPosted: Mon Sep 14, 2009 8:56 am    Post subject: Why we should compile CICS with NODYNAM option?
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Hi All,

Why we should compile CICS with NODYNAM option?

As I know each EXEC CICS i translated into a CALL to program 'DFHEI1'. Is it DFHEI1 must be statically linked to CICS program
in order to execute any CICS services?

Thanx & Regards,
Himanshu
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arvind.m

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Joined: 28 Aug 2008
Posts: 205
Location: Hyderabad

PostPosted: Mon Sep 14, 2009 11:36 am    Post subject:
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Hi

refer COBOL Z/OS COMPILER V4R1


Quote:

DYNAM

Use DYNAM to cause nonnested, separately compiled programs invoked
through the CALL literal statement to be loaded (for CALL) and deleted
(for CANCEL) dynamically at run time. (CALL identifier statements always
result in a runtime load of the target program and are not affected by
this option.)

Default is: NODYNAM

Abbreviations are: DYN┬ŽNODYN

Restriction: The DYNAM compiler option must not be used in the following
cases:

o COBOL programs that are processed by the CICS translator or the CICS
compiler option

o COBOL programs that have EXEC SQL statements and are run under CICS or
DB2 call attach facility (CAF)

If your COBOL program calls programs that have been linked as dynamic link
libraries (DLLs), you must not use the DYNAM option. You must instead
compile the program with the NODYNAM and DLL options.

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Himanshu Khatri

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Posts: 15
Location: Pune

PostPosted: Mon Sep 14, 2009 12:20 pm    Post subject: Why we should compile CICS with NODYNAM option?
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I am still confused icon_confused.gif
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Robert Sample

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Joined: 06 Jun 2008
Posts: 7936
Location: Bellevue, IA

PostPosted: Mon Sep 14, 2009 4:48 pm    Post subject:
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You should compile CICS program with NODYNAM because the manual tells you to. I'm sure IBM has a reason for specifying this, but if they don't tell us what the reason is, who cares -- you follow the manual's advice and do not get concerned about why.
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