The temporary fix is to use autotools but I feel that pnetcdf needs to have this issue fixed before the Release of the full intel LLVM compilers in a few months.
Attached is relevant log files from the build without using autotools.
config.logconfigure.log
This is a well documented case with other software having the same problem:
https://github.com/HDFGroup/hdf5/issues/2563
https://community.intel.com/t5/Intel-Fortran-Compiler/ifx-2021-1-beta04-HPC-Toolkit-build-error-with-loopopt/m-p/1184181
The temporary fix is to use autotools but I feel that pnetcdf needs to have this issue fixed before the Release of the full intel LLVM compilers in a few months.
Attached is relevant log files from the build without using autotools. config.log configure.log