LI80937: __OMPCRITICAL::INFO ISSUE CAUSED BY MULTIPLE SOURCE FILES

APAR status

• Closed as program error.

Error description

• When compiling a test case that makes use of the following
  snippet of code, the linker fails to resolve the
  __ompCritical::info symbol
  
  if (iinfo != 0) {
       #pragma omp critical (info)
       *info = iinfo;
       break;
   }
  
  eg:
  xlc_r -qsmp=omp tt1.cpp tt2.cpp
  tt1.cpp:
  tt2.cpp:
  /tmp/91894_1.o:(.sbss+0x0): multiple definition of
  `__ompCritical::info'
  /tmp/91894_0.o:(.sbss+0x0): first defined here
  

Local fix

• As a workaround, change
  
  #pragma omp critical (info)
  to
  #pragma omp critical
  

Problem summary

• USERS AFFECTED:
  OpenMP programs using the same critical section name in
  different files may be affected by this issue.
  
  PROBLEM DESCRIPTION:
  Link errors due to multiple definitions will be encountered.
  

Problem conclusion

• This problem 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:

Fix information

• Fixed component name

  XL C/C++ LINUX

• Fixed component ID

  5725C7310

Applicable component levels