Fix API paths for Windows

Signed-off-by: Michał Górny <[email protected]>

Author: mgorny

recipe/patches/0008-point-include-paths-to-Conda-prefix-include-dir.patch

@@ -1,27 +1,30 @@
-From 67fcb9333c5bccf13cabb3462cd56dd4c7ef7e18 Mon Sep 17 00:00:00 2001
+From 89eedf14f72f2baa2fa8b1766a3b3682f454538d Mon Sep 17 00:00:00 2001
 From: "H. Vetinari" <[email protected]>
 Date: Thu, 23 Jan 2025 22:58:14 +1100
 Subject: [PATCH 08/15] point include paths to Conda prefix include dir
 
 Updated to use `sys.prefix` per
 https://github.com/conda-forge/pytorch-cpu-feedstock/issues/424.
 ---
- torch/utils/cpp_extension.py | 4 ++++
- 1 file changed, 4 insertions(+)
+ torch/utils/cpp_extension.py | 5 +++++
+ 1 file changed, 5 insertions(+)
 
 diff --git a/torch/utils/cpp_extension.py b/torch/utils/cpp_extension.py
-index 7fa5237994e..7d271c101f8 100644
+index 7fa5237994e..99fbd38e81a 100644
 --- a/torch/utils/cpp_extension.py
 +++ b/torch/utils/cpp_extension.py
-@@ -1495,7 +1495,11 @@ def include_paths(device_type: str = "cpu") -> list[str]:
+@@ -1495,9 +1495,14 @@ def include_paths(device_type: str = "cpu") -> list[str]:
          A list of include path strings.
      """
      lib_include = os.path.join(_TORCH_PATH, 'include')
 +    # Account for conda prefix.
 +    conda_pieces = [sys.prefix] + IS_WINDOWS * ["Library"] + ["include"]
-+    conda_include = os.path.join(*conda_pieces)
++    conda_include = os.path.join(*pieces)
      paths = [
 +        conda_include,
          lib_include,
          # Remove this once torch/torch.h is officially no longer supported for C++ extensions.
++        os.path.join(conda_include, 'torch', 'csrc', 'api', 'include'),
          os.path.join(lib_include, 'torch', 'csrc', 'api', 'include'),
+     ]
+     if device_type == "cuda" and IS_HIP_EXTENSION: