wgtmac commented on PR #1582:
URL: https://github.com/apache/orc/pull/1582#issuecomment-1679852657
> Hi, @wgtmac and @guiyanakuang . May I ask how to reproduce this bug in
Docker testing?
```
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33aaabd42..ff0143d9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,9 +108,9 @@ endif()
# We require a C++17 compliant compiler
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if (NOT MSVC)
- set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -fno-omit-frame-pointer")
- set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG
-fno-omit-frame-pointer")
- set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
+ set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -fno-omit-frame-pointer -fsigned-char")
+ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG
-fno-omit-frame-pointer -fsigned-char")
+ set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG -fsigned-char")
endif ()
message(STATUS "compiler ${CMAKE_CXX_COMPILER_ID} version
${CMAKE_CXX_COMPILER_VERSION}")
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
(END)
```
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