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-rw-r--r--var/spack/repos/builtin/packages/acts/package.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/acts/package.py b/var/spack/repos/builtin/packages/acts/package.py
index 1d25236113..0b21cb37d4 100644
--- a/var/spack/repos/builtin/packages/acts/package.py
+++ b/var/spack/repos/builtin/packages/acts/package.py
@@ -478,6 +478,8 @@ class Acts(CMakePackage, CudaPackage):
cuda_arch = spec.variants["cuda_arch"].value
if cuda_arch != "none":
args.append(f"-DCUDA_FLAGS=-arch=sm_{cuda_arch[0]}")
+ arch_str = ";".join(self.spec.variants["cuda_arch"].value)
+ args.append(self.define("CMAKE_CUDA_ARCHITECTURES", arch_str))
args.append(self.define_from_variant("CMAKE_CXX_STANDARD", "cxxstd"))