Paul Guo created HAWQ-1230:
------------------------------

             Summary: Introduce macro __MAYBE_UNUSED_FUNC to surpress "unused 
funtion" warnings.
                 Key: HAWQ-1230
                 URL: https://issues.apache.org/jira/browse/HAWQ-1230
             Project: Apache HAWQ
          Issue Type: Bug
            Reporter: Paul Guo
            Assignee: Ed Espino


Saw similar warning:
be-secure.c:323:1: warning: unused function 'report_commerror' 
[-Wunused-function]

One of the reason is that the callers are not compiled with some configuration 
options.

Add the macro for gcc attribute below to surpress these kind of warnings.

#define __MAYBE_UNUSED_FUNC __attribute__((used))



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