vaex核心windows供应商/pybind11 11/include\pybind11 11/numpy.h(35)：错误C2065：'ssize_t'：未声明的标识符
vaex核心windows供应商/pybind11 11/include\pybind11 11/numpy.h(35)：错误C2065：'ssize_t'：未声明的标识符
提问于 2022-03-05 18:43:42
当试图从源构建包时，我有一个错误。
"C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -IC:\Users\Lenovo\AppData\Local\Temp\pip-build-env-6gtrxy7u\overlay\Lib\site-packages\numpy\core\include -Ivendor/pybind11/include -Ivendor/pybind11/include -Ivendor/string-view-lite/include -Ivendor/boost -IC:\Python\Python310\include -IC:\Python\Python310\Library\include -Ivendor\pcre\Library\include -IC:\Python\Python310\include -IC:\Python\Python310\Include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.19041.0\cppwinrt" /EHsc /Tpsrc\strings.cpp /Fobuild\temp.win-amd64-3.10\Release\src\strings.obj /EHsc
strings.cpp
vendor/pybind11/include\pybind11/numpy.h(35): error C2065: 'ssize_t': undeclared identifier
vendor/pybind11/include\pybind11/numpy.h(35): error C2338: ssize_t != Py_intptr_t
C:\Users\Lenovo\AppData\Local\Temp\pip-install-vmdjo61j\vaex-core_8c00779b22c745ba90d323d5396909c4\src\string_utils.hpp(208): warning C4244: '=': conversion from 'char32_t' to 'char', possible loss of data
vendor\pcre\Library\include\pcrecpp.h(701): warning C4251: 'pcrecpp::RE::pattern_': class 'std::basic_string<char,std::char_traits<char>,std::allocator<char>>' needs to have dll-interface to be used by clients of class 'pcrecpp::RE'
C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\include\xstring(4905): note: see declaration of 'std::basic_string<char,std::char_traits<char>,std::allocator<char>>'
src\strings.cpp(273): warning C4018: '>': signed/unsigned mismatch
src\strings.cpp(282): warning C4018: '>': signed/unsigned mismatch
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.29.30133\\bin\\HostX86\\x64\\cl.exe' failed with exit code 2
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for vaex-core
Building wheel for future (setup.py) ... done
Created wheel for future: filename=future-0.18.2-py3-none-any.whl size=491070 sha256=181e9fce6f02e9d9ededfda32bcd4f51fcb0cc556bb9245af0294c279e6bd36e
Stored in directory: c:\users\lenovo\appdata\local\pip\cache\wheels\22\73\06\557dc4f4ef68179b9d763930d6eec26b88ed7c389b19588a1c
Building wheel for aplus (setup.py) ... done
Created wheel for aplus: filename=aplus-0.11.0-py3-none-any.whl size=4410 sha256=70a7aab29eb4cd9eafb025d16acc94ffb3259763f346ec37838f05a65f591d4a
Stored in directory: c:\users\lenovo\appdata\local\pip\cache\wheels\74\ed\14\4d7bffd9475a07582e0c256b9b1ddbbc1f49c58e3150d356f4
Successfully built future aplus
Failed to build vaex-core
ERROR: Could not build wheels for vaex-core, which is required to install pyproject.toml-based projects由于这一点，我无法在windows上安装python3.10中的金库核心。
回答 1
Stack Overflow用户
回答已采纳
发布于 2022-06-10 22:15:12
这只是在Vaex构建过程中的第一个问题，因为python3.10 还不支持。
部分解是编辑.../pybind11/include/pybind11/numpy.h以提供ssize_t的定义。
在
#include statements之后，在文件顶部附近找到以下代码行：
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable: 4127) // warning C4127: Conditional expression is constant
#endif改为：
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable: 4127) // warning C4127: Conditional expression is constant
#include <BaseTsd.h>
typedef SSIZE_T ssize_t;
#endif页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/71364994
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