[fbgemm_gpu] Remove errant RPATHs from binaries

- Remove errant RPATHs from binaries (pytorch#3098)

.github/scripts/fbgemm_gpu_build.bash

@@ -416,6 +416,9 @@ __print_library_infos () {
 
     echo "[CHECK] Listing out external shared libraries linked:"
     print_exec ldd "${library}"
+
+    echo "[CHECK] Displaying ELF information:"
+    print_exec readelf -d "${library}"
     echo "################################################################################"
     echo ""
     echo ""

.github/scripts/fbgemm_gpu_postbuild.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+echo "[CMAKE] Running post-build script ..."
+
+echo $(pwd)
+echo $(ls -la)
+find . -name *.so | xargs patchelf --remove-rpath

.github/scripts/utils_build.bash

@@ -297,6 +297,7 @@ install_build_tools () {
     ncurses \
     ninja \
     openblas \
+    patchelf \
     scikit-build \
     wheel) || return 1
 

fbgemm_gpu/CMakeLists.txt

@@ -112,3 +112,7 @@ if(NOT FBGEMM_CPU_ONLY AND NOT USE_ROCM)
   #
   add_subdirectory(experimental/gen_ai)
 endif()
+
+
+install(CODE "execute_process(COMMAND ../.github/scripts/fbgemm_gpu_postbuild.sh)")
+# ; patchelf --remove-rpath *.so)

fbgemm_gpu/FbgemmGpu.cmake

@@ -725,3 +725,10 @@ install(FILES ${gen_python_source_files}
 
 install(FILES ${gen_defused_optim_py_files}
         DESTINATION fbgemm_gpu/split_embedding_optimizer_codegen)
+
+
+add_custom_target(clean_rpath ALL
+  WORKING_DIRECTORY ${OUTPUT_DIR}/bin
+  COMMAND sh ../.github/scripts/fbgemm_gpu_postbuild.sh)
+
+  add_dependencies(fbgemm_gpu_py clean_rpath)