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acts: use variants['cuda_arch'] only when +cuda (#27813)

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Since #27185, the cuda_arch variant values are conditional on +cuda. This means that for -cuda specs, the installation fails with:
```
==> acts: Executing phase: 'cmake'
==> Error: KeyError: 'cuda_arch'

/home/wdconinc/git/spack/var/spack/repos/builtin/packages/acts/package.py:222, in cmake_args:
        219        log_failure_threshold = spec.variants['log_failure_threshold'].value
        220        args.append("-DACTS_LOG_FAILURE_THRESHOLD={0}".format(log_failure_threshold))
        221
  >>    222        cuda_arch = spec.variants['cuda_arch'].value
        223        if cuda_arch != 'none':
        224            args.append('-DCUDA_FLAGS=-arch=sm_{0}'.format(cuda_arch[0]))
        225
```
This commit is contained in:
Wouter Deconinck 2021-12-06 09:25:27 -06:00 committed by GitHub
parent a8a226b748
commit a332c26780
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1 changed files with 4 additions and 3 deletions
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var/spack/repos/builtin/packages/acts/package.py
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@ -219,9 +219,10 @@ def plugin_cmake_variant(plugin_name, spack_variant):
log_failure_threshold = spec.variants['log_failure_threshold'].value
args.append("-DACTS_LOG_FAILURE_THRESHOLD={0}".format(log_failure_threshold))
cuda_arch = spec.variants['cuda_arch'].value
if cuda_arch != 'none':
args.append('-DCUDA_FLAGS=-arch=sm_{0}'.format(cuda_arch[0]))
if '+cuda' in spec:
cuda_arch = spec.variants['cuda_arch'].value
if cuda_arch != 'none':
args.append('-DCUDA_FLAGS=-arch=sm_{0}'.format(cuda_arch[0]))
if 'root' in spec:
cxxstd = spec['root'].variants['cxxstd'].value