LI81402: WARNING MESSAGES CLAIMING THAT "THE ATTRIBUTE IS NOT SUPPORTED" IS GENERATED

APAR status

• Closed as program error.

Error description

• The follwing testcase produces the extra warning message
  
  
  struct A {
    void (*fp)(const char *, ...) __attribute__(( format(printf,
  1, 2) ));
  };
  
  
  Actual Output:
  --------------
  xlc t2.c -c
  t2.c:2:49: warning: 1540-2990 The attribute "
  __attribute__((format(printf, 1, 2)))" is not supported. The
  attribute is ignored.
    void (*fp)(const char *, ...) __attribute__(( format(printf,
  1, 2) ));
                                                  ^
  1 warning generated.
  
  Expected Output:
  ---------------
  NO warnings
  

Local fix

• N/A
  

Problem summary

• USERS AFFECTED:
  Users with the __format__ attribute applied to
  class/struct/union data members maybe affected by this issue.
  
  PROBLEM DESCRIPTION:
  The compiler generates a warning messages claiming that 'the
  attribute is not supported' is generated.
  

Problem conclusion

• The compiler has been fixed.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  IJ24678

Fix information

• Fixed component name

  XL C/C++ LINUX

• Fixed component ID

  5725C7310

Applicable component levels