WRF4.2 FSBM code gives compile errors with PGI 19.10

All things involving the setup (compiling, NetCDF, etc.) of the WRF Model itself.

WRF4.2 FSBM code gives compile errors with PGI 19.10

Postby twtesche » Wed May 20, 2020 3:59 pm

Building WRF4.2 on PGI 19.10 (smpar) fails trying to compile 'module_mp_SBM_polar_radar.F'. The error message is ...

PGF90-S-0038-Symbol, derf, has not been explicitly declared (module_mp_SBM_polar_radar.f90)
0 inform, 0 warnings, 1 severes, 0 fatal for calc_dc_wet_snow
Command exited with non-zero status 2
0.32user 0.02system 0:00.36elapsed 95%CPU (0avgtext+0avgdata 11352maxresident)k
0inputs+8192outputs (0major+2215minor)pagefaults 0swaps
make[3]: [../configure.wrf:353: module_mp_SBM_polar_radar.o] Error 2 (ignored)

While the Release Notes for WRF4.2 state that "The FAST SBM code is not currently configured to work with default 8-byte reals," it is unclear if there is a work around for this.

The issue seems to be with the double-precision error function (derf) treatment in 'module_mp_SBM_polar_radar.F' at line 1538.
I've tried compiling with PGI llvm and nollvm to no avail.
Any thoughts with this? Thanks!
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