From 653ccc8356c3e10c96d8057276ef45a9097e36c6 Mon Sep 17 00:00:00 2001
From: Mergen Nachin <mnachin@meta.com>
Date: Thu, 12 Dec 2024 15:28:40 -0500
Subject: [PATCH] Be able to compile in offline mode

---
 .gitignore        |  1 +
 CMakeLists.txt    | 11 +++++++++++
 build/Utils.cmake |  2 +-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 176edf9300b..c68945615ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 .hypothesis
 buck-out/
+buck2-bin/
 cmake-out*
 .DS_Store
 cmake-android-out/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 46fec4cf0c1..9d79b49e6e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -257,6 +257,17 @@ if(EXECUTORCH_BUILD_KERNELS_CUSTOM)
   set(EXECUTORCH_BUILD_KERNELS_OPTIMIZED ON)
 endif()
 
+if(NOT DEFINED FXDIV_SOURCE_DIR)
+  set(ORIGINAL_CMAKE_POSITION_INDEPENDENT_CODE_FLAG
+    ${CMAKE_POSITION_INDEPENDENT_CODE}
+  )
+  set(FXDIV_SOURCE_DIR "backends/xnnpack/third-party/FXdiv")
+  add_subdirectory("${FXDIV_SOURCE_DIR}")
+  set(CMAKE_POSITION_INDEPENDENT_CODE
+      ${ORIGINAL_CMAKE_POSITION_INDEPENDENT_CODE_FLAG}
+  )
+endif()
+
 if(EXECUTORCH_BUILD_CPUINFO)
   # --- cpuinfo
   set(ORIGINAL_CMAKE_POSITION_INDEPENDENT_CODE_FLAG
diff --git a/build/Utils.cmake b/build/Utils.cmake
index 246bd68c837..1a9966d7099 100644
--- a/build/Utils.cmake
+++ b/build/Utils.cmake
@@ -235,7 +235,7 @@ function(resolve_buck2)
 
   set(resolve_buck2_command
       ${PYTHON_EXECUTABLE} ${executorch_root}/build/resolve_buck.py
-      --cache_dir=${CMAKE_CURRENT_BINARY_DIR}/buck2-bin
+      --cache_dir=buck2-bin
   )
 
   if(NOT ${BUCK2} STREQUAL "")