From 14a64339205527a422ae311bd760e47835d8324d Mon Sep 17 00:00:00 2001
From: powderluv <powderluv@users.noreply.github.com>
Date: Wed, 31 Aug 2022 16:09:16 -0700
Subject: [PATCH] Use pre-compiled headers for PyTorch Source builds (#1327)

This should speed up source builds and ccache. May cause issues on macOS (https://github.com/pytorch/pytorch/issues/80018)
---
 build_tools/build_libtorch.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build_tools/build_libtorch.sh b/build_tools/build_libtorch.sh
index 73cf1b44264d..bc3ec12bb4b1 100755
--- a/build_tools/build_libtorch.sh
+++ b/build_tools/build_libtorch.sh
@@ -99,6 +99,7 @@ build_pytorch() {
   USE_PYTORCH_QNNPACK=ON \
   USE_QNNPACK=OFF \
   USE_XNNPACK=OFF \
+  USE_PRECOMPILED_HEADERS=1 \
   ${PYTHON_BIN} setup.py  bdist_wheel -d "$WHEELHOUSE"
 }