Wes McKinney created ARROW-2655:
-----------------------------------
Summary: [C++] Compilation failure with gcc 7.3.0
Key: ARROW-2655
URL: https://issues.apache.org/jira/browse/ARROW-2655
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Wes McKinney
Fix For: 0.10.0
Experienced this error building on Ubuntu 18.04 LTS / gcc 7.3.0
{code}
/usr/bin/ccache /usr/bin/g++ -DARROW_EXTRA_ERROR_CONTEXT
-DARROW_NO_DEPRECATED_API -isystem /home/wesm/cpp-toolchain/include -isystem
gbenchmark_ep/src/gbenchmark_ep-install/include -isystem
../thirdparty/hadoop/include -isystem orc_ep-install/include -Isrc -I../src
-isystem
/home/wesm/miniconda/envs/arrow-dev/lib/python3.6/site-packages/numpy/core/include
-isystem /home/wesm/miniconda/envs/arrow-dev/include/python3.6m
-D_GLIBCXX_USE_CXX11_ABI=0 -ggdb -O0 -Wall -Wconversion -Wno-sign-conversion
-Wno-unknown-warning-option -Werror -std=c++11 -msse3 -Werror -g -fPIC
-std=gnu++11 -MD -MT
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/arrow_to_pandas.cc.o -MF
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/arrow_to_pandas.cc.o.d -o
src/arrow/python/CMakeFiles/arrow_python_objlib.dir/arrow_to_pandas.cc.o -c
../src/arrow/python/arrow_to_pandas.cc
In file included from ../src/arrow/compute/kernel.h:28:0,
from ../src/arrow/compute/api.h:22,
from ../src/arrow/python/arrow_to_pandas.cc:46:
../src/arrow/util/variant.h:588:67: error: conversion to ‘unsigned int’ from
‘long unsigned int’ may alter its value [-Werror=conversion]
static const std::size_t data_size =
detail::static_max<sizeof(Types)...>::value;
^
../src/arrow/util/variant.h:589:79: error: conversion to ‘unsigned int’ from
‘long unsigned int’ may alter its value [-Werror=conversion]
static const std::size_t data_align =
detail::static_max<alignof(Types)...>::value;
^
cc1plus: error: unrecognized command line option ‘-Wno-unknown-warning-option’
[-Werror]
cc1plus: all warnings being treated as errors
{code}
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