[Pw_forum] __OPENMP flag in QE

[Ye Luo]

Ciao, Paolo,
Is there a particular reason to keep __OPENMP instead of _OPENMP (single
underscore) which is automatically added by the compiler when OpenMP is
requrested?
I'm asking this question because the __OPENMP flag is missing on BGQ on QE
5.X to 6.X when --enable-openmp is added. Using the standard flag may help
reducing the maintenance pain of configure.

Ye
===================
Ye Luo, Ph.D.
Leadership Computing Facility
Argonne National Laboratory
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