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hip: hints for find_package llvm/clang (#47788)

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LLVM can be a transitive link dependency of hip through gl's dependency mesa, which uses it for software rendering.

In this case make sure llvm-amdgpu is found with find_package(LLVM) and
find_package(Clang) by setting LLVM_ROOT and Clang_ROOT.

That makes the patch of find_package's HINTS redundant, so remove that.
It did not work anyways, because CMAKE_PREFIX_PATH has higher precedence
than HINTS.
This commit is contained in:
Harmen Stoppels 2024-11-28 10:23:09 +01:00 committed by GitHub
parent ecbf9fcacf
commit 04c76fab63
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1 changed files with 6 additions and 7 deletions
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13
var/spack/repos/builtin/packages/hip/package.py
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@ -531,12 +531,6 @@ def patch(self):
"clr/hipamd/hip-config-amd.cmake",
string=True,
)
filter_file(
'"${ROCM_PATH}/llvm"',
self.spec["llvm-amdgpu"].prefix,
"clr/hipamd/src/hiprtc/CMakeLists.txt",
string=True,
)
perl = self.spec["perl"].command
if self.spec.satisfies("@:5.5"):
@ -561,7 +555,12 @@ def patch(self):
filter_file(" -lnuma", f" -L{numactl} -lnuma", "hipBin_amd.h")
def cmake_args(self):
args = []
args = [
# find_package(Clang) and find_package(LLVM) in clr/hipamd/src/hiprtc/CMakeLists.txt
# should find llvm-amdgpu
self.define("LLVM_ROOT", self.spec["llvm-amdgpu"].prefix),
self.define("Clang_ROOT", self.spec["llvm-amdgpu"].prefix),
]
if self.spec.satisfies("+rocm"):
args.append(self.define("HSA_PATH", self.spec["hsa-rocr-dev"].prefix))
args.append(self.define("HIP_COMPILER", "clang"))