icon: remove ccbin, replace -lcudart with -cuda (#996)

C2SM · Sep 12, 2024 · c77a581 · c77a581
1 parent ed8f9de
commit c77a581
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/repos/c2sm/packages/icon/package.py b/repos/c2sm/packages/icon/package.py
@@ -541,15 +541,14 @@ def configure_args(self):
                 'NVCC={0}'.format(self.spec['cuda'].prefix.bin.nvcc)
             ])
 
-            libs += self.spec['cuda'].libs
+            # -cuda is an umbrella flag for NVHPC
+            # that pulls in all the needed CUDA libraries and wrappers
+            # It can't go into libs as spack prepends -l
+            flags['LDFLAGS'].append('-cuda')
 
             cuda_host_compiler = self.compiler.cxx
             cuda_host_compiler_stdcxx_libs = self.compiler.stdcxx_libs
 
-            if 'none' in self.spec.variants['dsl'].value:
-                flags['NVCFLAGS'].extend(
-                    ['-ccbin {0}'.format(cuda_host_compiler)])
-
             flags['NVCFLAGS'].extend([
                 '-g', '-O3',
                 '-arch=sm_{0}'.format(self.spec.variants['cuda_arch'].value[0])