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Status Not under consideration
Workspace C/C++ and Fortran Compilers
Categories Fortran
Created by Guest
Created on Sep 23, 2014

RELATED IDEAS

Provide Fortran compiler option to force variables to be explicitly declared

The IMPLICIT none statement is available to us, but it has to be coded in every single program, subroutine and function, whereas a compiler option would not require a code modification to enforce explicit declarations.

The PL/I compiler has the RULES(NOLAXDCL) compiler option which we implemented with the V3.9 upgrade and it caught many undeclared variables which were all fixed.

Idea priority Medium
  • Guest
    Reply
    |     Sep 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Programming Languages
    Product - Fortran Compilers

    For recording keeping, the previous attributes were:
    Brand - Rational
    Product family - Design & development
    Product - Fortran Compilers

  • Guest
    Reply
    |     Oct 29, 2014

    Hello IBM,
    The option you mention in the update is for the AIX operating system.

    We submitted the request for VS Fortran on z/OS. The option you state here does not exist on VS Fortran running under z/OS operating system.


    Can this RFE be re-opened for consideration?

    Thanks, Ron

  • Guest
    Reply
    |     Oct 7, 2014

    Hi, we already have an option for this. It's -qundef (also called -u).

    More info can be found via the following link:
    http://www-01.ibm.com/support/knowledgecenter/SSGH4D_15.1.0/com.ibm.xlf151.aix.doc/compiler_ref/u.html

    If you have further questions/comments, please re-open RFE as needed.

    Thanks for using IBM!

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