Merge pull request cupy#8930 from chainer-ci/bp-8927-v13-fix-cache-ke…

…y-calc [backport] Use relative path of header files to generate cache key
chainer-ci · Feb 7, 2025 · 83f3ccc · 83f3ccc
2 parents 9b167f0 + 9f3e34f
commit 83f3ccc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/install/cupy_builder/_context.py b/install/cupy_builder/_context.py
@@ -66,7 +66,8 @@ def __init__(
         hasher = hashlib.sha1(usedforsecurity=False)
         for include_file in include_files:
             with open(include_file, 'rb') as f:
-                hasher.update(include_file.encode())
+                relpath = os.path.relpath(include_file, source_root)
+                hasher.update(relpath.encode())
                 hasher.update(f.read())
                 hasher.update(b'\x00')
         cache_key = hasher.hexdigest()