fix dummy module for NVHPC

Author: lexming

src/build_tools/hooks_hydra.py

@@ -371,6 +371,9 @@ def parse_hook(ec, *args, **kwargs):  # pylint: disable=unused-argument
         ec['dependencies'] = []
         # inject error message in module file
         ec['modluafooter'] = GPU_DUMMY_MOD_FOOTER
+        # workaround for NVHPC
+        if ec.name == 'NVHPC':
+            ec['default_cuda_version'] = '0'
         # module_only steps: [MODULE_STEP, PREPARE_STEP, READY_STEP, POSTITER_STEP, SANITYCHECK_STEP]
         ec['module_only'] = True
         ec.log.info(f"[parse hook] Set parameter module_only: {ec['module_only']}")