From 4c86ecc5311cb7ab875eab29984e86da6e633690 Mon Sep 17 00:00:00 2001
From: Loris Ercole <30901257+lorisercole@users.noreply.github.com>
Date: Tue, 23 Jan 2024 21:52:38 +0100
Subject: autodock-gpu: build with the specified `cuda_arch` (#42244)

The CUDA target should be specified at build time, otherwise
by default `autodock-gpu` will be built for compute capabilities
52, 60, 61, 70, which may cause errors on unsopported cards.
---
 var/spack/repos/builtin/packages/autodock-gpu/package.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/var/spack/repos/builtin/packages/autodock-gpu/package.py b/var/spack/repos/builtin/packages/autodock-gpu/package.py
index a3e5a4c329..e687cfd4ce 100644
--- a/var/spack/repos/builtin/packages/autodock-gpu/package.py
+++ b/var/spack/repos/builtin/packages/autodock-gpu/package.py
@@ -6,7 +6,7 @@
 from spack.package import *
 
 
-class AutodockGpu(MakefilePackage):
+class AutodockGpu(MakefilePackage, CudaPackage):
     """AutoDock-GPU: AutoDock for GPUs and other accelerators.
     OpenCL and Cuda accelerated version of AutoDock 4.2.6. It
     leverages its embarrasingly parallelizable LGA by processing
@@ -30,14 +30,19 @@ class AutodockGpu(MakefilePackage):
         multi=False,
     )
     variant("overlap", default=False, description="Overlap CPU and GPU operations")
+    variant("cuda", default=True, description="Build with CUDA")
 
     depends_on("cuda")
 
+    conflicts("~cuda")  # the cuda variant is mandatory
+    conflicts("+cuda", when="cuda_arch=none")
+
     @property
     def build_targets(self):
         spec = self.spec
         return [
             "DEVICE={0}".format(spec.variants["device"].value.upper()),
+            "TARGETS={0}".format(" ".join(spec.variants["cuda_arch"].value)),
             "GPU_INCLUDE_PATH={0}".format(spec["cuda"].prefix.include),
             "GPU_LIBRARY_PATH={0}".format(spec["cuda"].libs.directories[0]),
             "OVERLAP={0}".format("ON" if "+overlap" in spec else "OFF"),
-- 
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