Revert "Delete functorch C extension entirely. (#163340)"

This reverts commit 1faf6367e396b1d0894e8735912a47ac465f469d.

Reverted https://github.com/pytorch/pytorch/pull/163340 on behalf of https://github.com/wdvr due to temporary revert to pull out #162659 ([comment](https://github.com/pytorch/pytorch/pull/163340#issuecomment-3317105243))
This commit is contained in:
PyTorch MergeBot
2025-09-22 06:20:04 +00:00
parent f0078941cf
commit ae5be038a6
12 changed files with 4883 additions and 0 deletions

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@ -1391,6 +1391,10 @@ endif()
include(cmake/Summary.cmake)
caffe2_print_configuration_summary()
if(BUILD_FUNCTORCH)
add_subdirectory(functorch)
endif()
# Parse custom debug info
if(DEFINED USE_CUSTOM_DEBINFO)
string(REPLACE ";" " " SOURCE_FILES "${USE_CUSTOM_DEBINFO}")