only change rpath in Release mode

python/setup.py.in

@@ -159,6 +159,8 @@ if '${WITH_MKL}' == 'ON':
     shutil.copy('${MKLML_LIB}', libs_path)
     shutil.copy('${MKLML_IOMP_LIB}', libs_path)
     package_data['paddle.libs']+=['libmklml_intel.so','libiomp5.so']
+if '${CMAKE_BUILD_TYPE}' == 'Release':
+    # only change rpath in Release mode.
     if '${WITH_MKLDNN}' == 'ON':
         # TODO(typhoonzero): use install_name_tool to patch mkl libs once
         # we can support mkl on mac.
@@ -179,6 +181,8 @@ package_dir['paddle.libs']=libs_path
 # The reason is that libwarpctc.so, libiomp5.so etc are in paddle.libs, and
 # core.so is in paddle.fluid, thus paddle/fluid/../libs will pointer to above libraries.
 # This operation will fix https://github.com/PaddlePaddle/Paddle/issues/3213
+if '${CMAKE_BUILD_TYPE}' == 'Release':
+    # only change rpath in Release mode, since in Debug mode, core.so is too large to be changed.
     if "@APPLE@" == "1":
         command = "install_name_tool -id \"@loader_path/../libs/\" ${PADDLE_BINARY_DIR}/python/paddle/fluid/core.so"
     else: