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Keep default CMAKE_PREFIX_PATH in test_aot_inductor_package (#161907)

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`CMAKE_PREFIX_PATH` is a list of paths used to find dependencies. The test overwrites that with a single path causing dependencies such as protobuf or Abseil not being found.

Instead prepend the path to the existing value.

This fixes a test failure:
> pytorch-v2.7.1/test/inductor/test_aot_inductor_package.py", line 242, in test_compile_after_package
>    self.assertTrue(so_path.exists())
> AssertionError: False is not true

Caused by:
```
/software/binutils/2.42-GCCcore-13.3.0/bin/ld: cannot find -labsl::utility: No such file or directory
/software/binutils/2.42-GCCcore-13.3.0/bin/ld: cannot find -labsl::variant: No such file or directory
collect2: error: ld returned 1 exit status
```

Pull Request resolved: https://github.com/pytorch/pytorch/pull/161907
Approved by: https://github.com/Skylion007
This commit is contained in:
Alexander Grund
2025-09-04 16:27:57 +00:00
committed by PyTorch MergeBot
parent 3a20a20e70
commit cc5bdd1240
1 changed files with 8 additions and 2 deletions
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10
test/inductor/test_aot_inductor_package.py
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@ -147,7 +147,10 @@ class TestAOTInductorPackage(TestCase):
def cmake_compile_and_run(self, base_dir):
custom_env = os.environ.copy()
custom_env["CMAKE_PREFIX_PATH"] = str(Path(torch.__file__).parent)
custom_env["CMAKE_PREFIX_PATH"] = ":".join(
[str(Path(torch.__file__).parent)]
+ os.environ.get("CMAKE_PREFIX_PATH", "").split(":")
)
build_path = Path(base_dir) / "build"
build_path.mkdir()
subprocess.run(
@ -194,7 +197,10 @@ class TestAOTInductorPackage(TestCase):
self.assertTrue(not build_path.exists())
build_path.mkdir()
custom_env = os.environ.copy()
custom_env["CMAKE_PREFIX_PATH"] = str(Path(torch.__file__).parent)
custom_env["CMAKE_PREFIX_PATH"] = ":".join(
[str(Path(torch.__file__).parent)]
+ os.environ.get("CMAKE_PREFIX_PATH", "").split(":")
)
subprocess.run(
["cmake", ".."],
cwd=build_path,