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guix/gnu/packages/patches/python-pytorch-runpath.patch

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Libraries (such as 'libtorch_cpu.so') and executables (such as 'torch_shm_manager')
get installed, quite surprisingly, to 'lib/python3.8/site-packages/{bin,lib}'.
Make sure RUNPATH matches that.
diff --git a/caffe2/CMakeLists.txt b/caffe2/CMakeLists.txt
index 74836372..c8eb69d1 100644
--- a/caffe2/CMakeLists.txt
+++ b/caffe2/CMakeLists.txt
@@ -1910,7 +1910,7 @@ if(BUILD_PYTHON)
if(${BUILDING_WITH_TORCH_LIBS})
# site-packages/caffe2/python/caffe2_pybind11_state
# site-packages/torch/lib
- set(caffe2_pybind11_rpath "${_rpath_portable_origin}/../../torch/lib")
+ set(caffe2_pybind11_rpath $ORIGIN/../../torch/lib)
endif(${BUILDING_WITH_TORCH_LIBS})
# Must also include `CMAKE_SHARED_LINKER_FLAGS` in linker flags for
diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index acc95842..8f8fb7d7 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -4,7 +4,7 @@ if(APPLE)
set(CMAKE_MACOSX_RPATH ON)
set(_rpath_portable_origin "@loader_path")
else()
- set(_rpath_portable_origin $ORIGIN)
+ set(_rpath_portable_origin $ORIGIN/../lib)
endif(APPLE)
# Use separate rpaths during build and install phases
set(CMAKE_SKIP_BUILD_RPATH FALSE)
diff --git a/functorch/CMakeLists.txt b/functorch/CMakeLists.txt
index f2f32745..db21b656 100644
--- a/functorch/CMakeLists.txt
+++ b/functorch/CMakeLists.txt
@@ -21,7 +21,7 @@ target_link_libraries(${PROJECT_NAME} PRIVATE pybind::pybind11)
set_target_properties(${PROJECT_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY
${CMAKE_BINARY_DIR}/functorch)
-set_target_properties(${PROJECT_NAME} PROPERTIES INSTALL_RPATH "${_rpath_portable_origin}/../torch/lib")
+set_target_properties(${PROJECT_NAME} PROPERTIES INSTALL_RPATH "$ORIGIN/../torch/lib")
# Copy-pasted prefix/suffix logic for Python extensions from
# https://github.com/pytorch/pytorch/blob/33bb8ae350611760139457b85842b1d7edf9aa11/caffe2/CMakeLists.txt#L1975