安装 gluoncv 错误：无法为使用 PEP 517 且无法直接安装的 scipy 构建轮子答案

【问题标题】：While installing gluoncv ERROR: Could not build wheels for scipy which use PEP 517 and cannot be installed directly安装 gluoncv 错误：无法为使用 PEP 517 且无法直接安装的 scipy 构建轮子
【发布时间】：2021-06-22 04:38:06
【问题描述】：

我正在尝试安装 gluoncv，但每次都会发生这种情况。 成功构建 ConfigSpace autograd scikit-learn scipy 构建失败。错误：无法为使用 PEP 517 且无法直接安装的 scipy 构建轮子

 Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]                                                                                                    
  stat.h:8:31:                                                                                                                                                         
                                                                                                                                                                       
  Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
  stat.h:8:35:
  
  Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
  stat.h:8:39:
  
  Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/smout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/zmout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/ivout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/icnteq.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/icopy.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/SRC/ssgets.f
  stat.h:8:27:
  
  Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
  stat.h:8:31:
  
  Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
  stat.h:8:35:
  
  Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
  stat.h:8:39:
  
  Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/cvout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/dmout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/svout.f
  gfortran:f77: scipy/sparse/linalg/eigen/arpack/ARPACK/UTIL/zvout.f
  gfortran:f77: /tmp/pip-install-o_n11_7k/scipy_7cdb917d5aa44c05baea31bcea7311d5/scipy/_build_utils/src/wrap_g77_abi_f.f
  error: Command "/usr/bin/gfortran -Wall -g -ffixed-form -fno-second-underscore -fPIC -O3 -funroll-loops -Iscipy/sparse/linalg/eigen/arpack/ARPACK/SRC -I/tmp/pip-build-env-0hr1_z41/overlay/lib/python3.9/site-packages/numpy/core/include -c -c scipy/sparse/linalg/eigen/arpack/ARPACK/SRC/cnaup2.f -o build/temp.linux-x86_64-3.9/scipy/sparse/linalg/eigen/arpack/ARPACK/SRC/cnaup2.o" failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for scipy
Successfully built ConfigSpace autograd scikit-learn
Failed to build scipy
ERROR: Could not build wheels for scipy which use PEP 517 and cannot be installed directly

【问题讨论】：

标签： python scipy pip

【解决方案1】：

我在 MacOs 上安装 gluoncv 时遇到了非常相似的错误，但错误发生在 ConfigSpace：“无法为使用 PEP 517 且无法直接安装的 ConfigSpace 构建轮子”

如果您收到上述错误并且部分错误日志显示“不支持的架构”，或者您还遇到了许多类似这样的错误：

unknown type name '__int32_t'; did you mean '__int128_t'

我通过将 Python 升级到版本 3.8.6 来修复它（我在版本 3.8.2 中遇到了问题）。

【讨论】：

其实我的python版本是3.9.2。
我知道有时这是不可能的，但您是否尝试过降级？至少只是看看它是否有效并验证它是 gluoncv-python 版本问题。