From f5f336db085971f460bf9d81094f5ae662c3377d Mon Sep 17 00:00:00 2001
From: Gheorghe-Teodor Bercea <gt.bercea@gmail.com>
Date: Mon, 4 May 2020 08:37:58 -0400
Subject: [PATCH] Fix running backend tests triggered by preloading cruntime
 dynamic library (#104)

* Reorganize main function.

* Follow review comments.

* Emit constants are globals in Krnl and LLVM dialects.

* Fix preloading of runtime shared library for backend tests.

* Update library name.

* Only add libstdc++ library if it exists.
---
 test/backend/CMakeLists.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/test/backend/CMakeLists.txt b/test/backend/CMakeLists.txt
index 4e4c3ce..b980b7f 100644
--- a/test/backend/CMakeLists.txt
+++ b/test/backend/CMakeLists.txt
@@ -2,8 +2,17 @@ configure_file(test.py test.py COPYONLY)
 configure_file(test_config.py.in test_config.py)
 
 find_package(PythonInterp 3 REQUIRED)
+
+set(LD_PRELOADS $<TARGET_FILE:cruntime>)
+
+get_filename_component(CXX_BIN_DIR ${CMAKE_CXX_COMPILER} PATH)
+set(LIBSTDCXX_LIB "${CXX_BIN_DIR}/../lib64/libstdc++.so")
+if(EXISTS ${LIBSTDCXX_LIB})
+  set(LD_PRELOADS ${LIBSTDCXX_LIB}:${LD_PRELOADS})
+endif()
+
 add_custom_target(check-onnx-backend
-        COMMAND LD_PRELOAD=$<TARGET_FILE:cruntime> ${PYTHON_EXECUTABLE}
+        COMMAND LD_PRELOAD=${LD_PRELOADS} ${PYTHON_EXECUTABLE}
         ${CMAKE_CURRENT_BINARY_DIR}/test.py)
 
 add_dependencies(check-onnx-backend onnx-mlir)