Wes McKinney created ARROW-5616:
-----------------------------------
Summary: [C++] gcc 7.x build failure due to -Wwrite-strings
Key: ARROW-5616
URL: https://issues.apache.org/jira/browse/ARROW-5616
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Wes McKinney
Assignee: Wes McKinney
Fix For: 0.14.0
See example failure
{code}
FAILED: src/arrow/python/CMakeFiles/arrow_python_objlib.dir/extension_type.cc.o
/opt/conda/bin/x86_64-conda_cos6-linux-gnu-c++ -DARROW_EXTRA_ERROR_CONTEXT
-DARROW_JEMALLOC -DARROW_JEMALLOC_INCLUDE_DIR="" -DARROW_PYTHON_EXPORTING
-DARROW_USE_GLOG -DARROW_USE_SIMD -DARROW_WITH_BROTLI -DARROW_WITH_LZ4
-DARROW_WITH_SNAPPY -DARROW_WITH_ZLIB -DARROW_WITH_ZSTD -Isrc -I../src -isystem
/opt/conda/include -isystem jemalloc_ep-prefix/src -isystem
../thirdparty/hadoop/include -isystem
/opt/conda/lib/python2.7/site-packages/numpy/core/include -isystem
/opt/conda/include/python2.7 -Wno-noexcept-type -fvisibility-inlines-hidden
-std=c++17 -fmessage-length=0 -march=nocona -mtune=haswell -ftree-vectorize
-fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe
-fdiagnostics-color=always -ggdb -O0 -Wall -Wno-conversion
-Wno-sign-conversion -Wno-unused-variable -Werror -msse4.2 -g -fPIC
-std=gnu++11 -MD -MT
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/extension_type.cc.o -MF
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/extension_type.cc.o.d -o
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/extension_type.cc.o -c
../src/arrow/python/extension_type.cc
../src/arrow/python/extension_type.cc: In function 'arrow::Status
arrow::py::{anonymous}::SerializeExtInstance(PyObject*, std::__cxx11::string*)':
../src/arrow/python/extension_type.cc:36:85: error: ISO C++ forbids converting
a string constant to 'char*' [-Werror=write-strings]
OwnedRef res(PyObject_CallMethod(type_instance, "__arrow_ext_serialize__",
nullptr));
^
../src/arrow/python/extension_type.cc: In function 'PyObject*
arrow::py::{anonymous}::DeserializeExtInstance(PyObject*,
std::shared_ptr<arrow::DataType>, const string&)':
../src/arrow/python/extension_type.cc:65:63: error: ISO C++ forbids converting
a string constant to 'char*' [-Werror=write-strings]
storage_ref.obj(), data_ref.obj());
^
../src/arrow/python/extension_type.cc:65:63: error: ISO C++ forbids converting
a string constant to 'char*' [-Werror=write-strings]
cc1plus: all warnings being treated as errors
{code}
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