Disable pytorch build from source for out of tree.

.github/workflows/buildAndTest.yml

@@ -33,9 +33,9 @@ jobs:
           # Exclude llvm in-tree and pytorch source
           - llvm-build: in-tree
             torch-binary: OFF
-          # Exclude llvm out-of-tree and pytorch binary
+          # Exclude llvm out-of-tree and pytorch source
           - llvm-build: out-of-tree
-            torch-binary: ON
+            torch-binary: OFF
           # Exclude macos-arm64 and llvm out-of-tree altogether
           - os-arch: macos-arm64
             llvm-build: out-of-tree

build_tools/python_deploy/build_linux_packages.sh

@@ -367,13 +367,11 @@ function build_out_of_tree() {
   local torch_version="$3"
   echo ":::: Build out-of-tree Torch from binary: $torch_from_bin with Python: $python_version ($torch_version)"
 
-  # Disabled due to link errors on undefined c10 and other core torch symbols.
-  enable_ltc="OFF"
-  # local enable_ltc="ON"
-  # if [[ "${torch_version}" == "stable" ]]
-  # then
-  #   enable_ltc="OFF"
-  # fi
+  local enable_ltc="ON"
+  if [[ "${torch_version}" == "stable" ]]
+  then
+    enable_ltc="OFF"
+  fi
 
   if [ ! -d "/main_checkout/torch-mlir/llvm-build/lib/cmake/mlir/" ]
   then

projects/jit_ir_common/csrc/jit_ir_importer/CMakeLists.txt

@@ -8,6 +8,7 @@ add_library(TorchMLIRJITIRImporter STATIC
   ivalue_importer.cpp
   torch_to_mlir_utils.cpp
   )
+message(STATUS "Linking TorchMLIRJITImporter with ${TORCH_LIBRARIES}")
 target_link_libraries(TorchMLIRJITIRImporter
   TorchMLIRAggregateCAPI
   ${TORCH_LIBRARIES}