use default rpath setting to align with ipex (#103)

Author: mingxiaoh

CMakeLists.txt

@@ -6,14 +6,6 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=cpp")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat-security")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector")
-# Since 2016 Debian start using RUNPATH instead of normally RPATH, which gave the annoy effect that
-# allow LD_LIBRARY_PATH to override dynamic linking path. Depends on intention of linking priority,
-# change below for best outcome: disable, using RPATH, enable, using RUNPATH
-if (ENABLE_LINKER_RUNPATH)
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--enable-new-dtags")
-else()
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--disable-new-dtags")
-endif()
 
 set(LINUX TRUE)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

setup.py

@@ -102,16 +102,11 @@ def build_cmake(self, extension: CMakeExtension):
 
         if _check_env_flag('DEBUG'):
             build_type = 'Debug'
-        run_path = 'OFF'
-        if _check_env_flag('RUNPATH'):
-            run_path = 'ON'
 
         build_options = {
             'CMAKE_BUILD_TYPE': build_type,
             # The value cannot be easily obtained in CMakeLists.txt.
             'CMAKE_PREFIX_PATH': torch.utils.cmake_prefix_path,
-            # Enable the RPATH of the oneCCL and torchCCL
-            'ENABLE_LINKER_RUNPATH': run_path,
             # skip the example and test code in oneCCL
             'BUILD_EXAMPLES': 'OFF',
             'BUILD_CONFIG': 'OFF',