fix: icon uenv for a100 (#75)

* fix icon uenv for a100 building with c2sm-spack
* add cuda_arch to packages.yaml with post-install script

Author: leclairm

Diff for: recipes/wcp/icon/v1/a100/environments.yaml

@@ -14,10 +14,11 @@ nvidia:
   - [email protected]%nvhpc +tools +fortran +aec +openmp jp2k=jasper
   - cmake%gcc
   - [email protected]%gcc
-  - hdf5%gcc
+  - openblas%gcc
   - hwloc%gcc
-  - netcdf-c%gcc
-  - netcdf-cxx4%gcc
+  - hdf5+szip+fortran%nvhpc
+  - netcdf-c%nvhpc
+  - netcdf-cxx4%nvhpc
   - netcdf-fortran%nvhpc
   - numactl%gcc
   - [email protected]%nvhpc

Diff for: recipes/wcp/icon/v1/a100/post-install

@@ -0,0 +1,11 @@
+#!/usr/bin/python3
+
+import yaml
+
+with open("{{ env.mount }}/config/packages.yaml", mode='r') as file:
+    packages = yaml.safe_load(file)
+
+packages['packages']['all'] = {'variants': 'cuda_arch=80'}
+
+with open("{{ env.mount }}/config/packages.yaml", mode='w') as file:
+    yaml.dump(packages, file)