From bf99cd2d3b655621f86b15e43f761ba2c169b936 Mon Sep 17 00:00:00 2001
From: Benson Ma <bensonma415@meta.com>
Date: Mon, 23 Sep 2024 11:48:28 -0700
Subject: [PATCH] [fbgemm_gpu] Remove errant RPATHs from binaries

- Remove errant RPATHs from binaries (https://github.com/pytorch/FBGEMM/issues/3098)
---
 .github/scripts/fbgemm_gpu_build.bash         |  3 +++
 .github/scripts/fbgemm_gpu_postbuild.bash     | 21 +++++++++++++++++++
 .github/scripts/utils_build.bash              |  1 +
 fbgemm_gpu/CMakeLists.txt                     |  4 ++++
 fbgemm_gpu/FbgemmGpu.cmake                    |  6 ++++++
 .../experimental/example/CMakeLists.txt       |  6 ++++++
 fbgemm_gpu/experimental/gen_ai/CMakeLists.txt |  6 ++++++
 7 files changed, 47 insertions(+)
 create mode 100644 .github/scripts/fbgemm_gpu_postbuild.bash

diff --git a/.github/scripts/fbgemm_gpu_build.bash b/.github/scripts/fbgemm_gpu_build.bash
index fd76b5669d..1a7ca88264 100644
--- a/.github/scripts/fbgemm_gpu_build.bash
+++ b/.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 ""
diff --git a/.github/scripts/fbgemm_gpu_postbuild.bash b/.github/scripts/fbgemm_gpu_postbuild.bash
new file mode 100644
index 0000000000..95f4a7daf9
--- /dev/null
+++ b/.github/scripts/fbgemm_gpu_postbuild.bash
@@ -0,0 +1,21 @@
+#!/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 "################################################################################"
+echo "[CMAKE] Running post-build script ..."
+
+# Print directory
+pwd
+
+# List all generated .SO files
+find . -name *.so
+
+# Remove errant RPATHs from the .SO
+find . -name *.so | xargs patchelf --remove-rpath
+
+echo "[CMAKE] Removed errant RPATHs"
+echo "################################################################################"
diff --git a/.github/scripts/utils_build.bash b/.github/scripts/utils_build.bash
index 1191bf34d1..60127ed053 100644
--- a/.github/scripts/utils_build.bash
+++ b/.github/scripts/utils_build.bash
@@ -297,6 +297,7 @@ install_build_tools () {
     ncurses \
     ninja \
     openblas \
+    patchelf \
     scikit-build \
     wheel) || return 1
 
diff --git a/fbgemm_gpu/CMakeLists.txt b/fbgemm_gpu/CMakeLists.txt
index d56a9ca368..10a72bbe43 100644
--- a/fbgemm_gpu/CMakeLists.txt
+++ b/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)
diff --git a/fbgemm_gpu/FbgemmGpu.cmake b/fbgemm_gpu/FbgemmGpu.cmake
index f67a6b6b24..27b4ec8843 100644
--- a/fbgemm_gpu/FbgemmGpu.cmake
+++ b/fbgemm_gpu/FbgemmGpu.cmake
@@ -725,3 +725,9 @@ install(FILES ${gen_python_source_files}
 
 install(FILES ${gen_defused_optim_py_files}
         DESTINATION fbgemm_gpu/split_embedding_optimizer_codegen)
+
+add_custom_target(fbgemm_gpu_py_clean_rpath ALL
+  WORKING_DIRECTORY ${OUTPUT_DIR}
+  COMMAND bash ${FBGEMM}/.github/scripts/fbgemm_gpu_postbuild.bash)
+
+add_dependencies(fbgemm_gpu_py_clean_rpath fbgemm_gpu_py)
diff --git a/fbgemm_gpu/experimental/example/CMakeLists.txt b/fbgemm_gpu/experimental/example/CMakeLists.txt
index ecf72d6777..490a6a617a 100644
--- a/fbgemm_gpu/experimental/example/CMakeLists.txt
+++ b/fbgemm_gpu/experimental/example/CMakeLists.txt
@@ -70,3 +70,9 @@ install(TARGETS fbgemm_gpu_experimental_example_py
 
 install(FILES ${experimental_example_python_source_files}
         DESTINATION fbgemm_gpu/experimental/example)
+
+add_custom_target(fbgemm_gpu_experimental_example_py_clean_rpath ALL
+    WORKING_DIRECTORY ${OUTPUT_DIR}
+    COMMAND bash ${FBGEMM}/.github/scripts/fbgemm_gpu_postbuild.bash)
+
+add_dependencies(fbgemm_gpu_experimental_example_py_clean_rpath fbgemm_gpu_experimental_example_py)
diff --git a/fbgemm_gpu/experimental/gen_ai/CMakeLists.txt b/fbgemm_gpu/experimental/gen_ai/CMakeLists.txt
index 7716c39c17..bd4be8b00a 100644
--- a/fbgemm_gpu/experimental/gen_ai/CMakeLists.txt
+++ b/fbgemm_gpu/experimental/gen_ai/CMakeLists.txt
@@ -154,3 +154,9 @@ install(TARGETS fbgemm_gpu_experimental_gen_ai_py
 
 install(FILES ${experimental_gen_ai_python_source_files}
         DESTINATION fbgemm_gpu/experimental/gen_ai)
+
+add_custom_target(fbgemm_gpu_experimental_gen_ai_py_clean_rpath ALL
+  WORKING_DIRECTORY ${OUTPUT_DIR}
+  COMMAND bash ${FBGEMM}/.github/scripts/fbgemm_gpu_postbuild.bash)
+
+add_dependencies(fbgemm_gpu_experimental_gen_ai_py_clean_rpath fbgemm_gpu_experimental_gen_ai_py)