CESM 2.2.1 compilation fails with GCC 11.4.0 - shr_infnan_mod errors

[nstansell]

I'm compiling CESM 2.2.1 on a cluster with:

• GCC 11.4.0
• OpenMPI 4.1.5

Getting errors like:

Code

Error: Cannot convert TYPE(shr_infnan_nan_type) to REAL(8)
Error: Intrinsic operator '=' referenced at (1) not found in module 'shr_infnan_mod'
Is there a standard patch or workaround for this known incompatibility between CESM 2.2.1 and newer GCC versions?

Thanks,

Nathan



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