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Scipyのビルドでコケた件(Ubuntu, Python3.10)

Last updated at Posted at 2022-11-04

1. 概要

 MKLをリンクしたScipyを使用するためビルドしようとしたら以下のエラーが出たが、openblas-devをインストールしたらビルドに成功した。

../../scipy/meson.build:131:0: ERROR: Dependency "OpenBLAS" not found, tried pkgconfig and cmake

2. 実行環境

  • Ubuntu 22.04.1 LTS on WSL2
  • Python 3.10.6

3. 内容

 MKLをリンクしたNumpy、Scipyを使用するために、いつも両パッケージをビルドしてインストールしている(参考NumPy/SciPy で Intel MKL を利用する (2019年11月版))。最近Ubuntuのバージョンを20.04から22.04へとアップグレードしたのに伴って、Pythonのバージョンが3.8から3.10に変更された。そこでパッケージをインストールし直していたのだが、Scipyのビルドでエラーが発生したため、その対処法を書き残しておく。

3.1 実行コマンド・エラー出力

(venv310) user@host:~$ pip install scipy
Collecting scipy
  Using cached scipy-1.9.3.tar.gz (42.1 MB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  error: subprocess-exited-with-error
  
  × Getting requirements to build wheel did not run successfully.
  │ exit code: 1
  ╰─> [67 lines of output]
      The Meson build system
      Version: 0.63.3
      Source dir: /tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05
      Build dir: /tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-ujapjd7b/build
      Build type: native build
      Project name: SciPy
      Project version: 1.9.3
      C compiler for the host machine: cc (gcc 11.3.0 "cc (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0")
      C linker for the host machine: cc ld.bfd 2.38
      C++ compiler for the host machine: c++ (gcc 11.3.0 "c++ (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0")
      C++ linker for the host machine: c++ ld.bfd 2.38
      Host machine cpu family: x86_64
      Host machine cpu: x86_64
      Compiler for C supports arguments -Wno-unused-but-set-variable: YES
      Compiler for C supports arguments -Wno-unused-but-set-variable: YES (cached)
      Compiler for C supports arguments -Wno-unused-function: YES
      Compiler for C supports arguments -Wno-conversion: YES
      Compiler for C supports arguments -Wno-misleading-indentation: YES
      Compiler for C supports arguments -Wno-incompatible-pointer-types: YES
      Library m found: YES
      Fortran compiler for the host machine: gfortran (gcc 11.3.0 "GNU Fortran (Ubuntu 11.3.0-1ubuntu1~22.04) 11.3.0")
      Fortran linker for the host machine: gfortran ld.bfd 2.38
      Compiler for Fortran supports arguments -Wno-conversion: YES
      Program cython found: YES (/tmp/pip-build-env-jwrxnkd1/overlay/bin/cython)
      Program pythran found: YES (/tmp/pip-build-env-jwrxnkd1/overlay/bin/pythran)
      Program cp found: YES (/usr/bin/cp)
      Program python found: YES (/home/user/.virtualenvs/venv310/bin/python3)
      Found pkg-config: /usr/bin/pkg-config (0.29.2)
      Run-time dependency threads found: YES
      Library npymath found: YES
      Library npyrandom found: YES
      Found CMake: /usr/bin/cmake (3.22.1)
      Run-time dependency openblas found: NO (tried pkgconfig and cmake)
      Run-time dependency openblas found: NO (tried pkgconfig and cmake)
      
      ../../scipy/meson.build:131:0: ERROR: Dependency "OpenBLAS" not found, tried pkgconfig and cmake
      
      A full log can be found at /tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-ujapjd7b/build/meson-logs/meson-log.txt
      + meson setup --native-file=/tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-native-file.ini -Ddebug=false -Doptimization=2 --prefix=/usr /tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05 /tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-ujapjd7b/build
      Traceback (most recent call last):
        File "/home/user/.virtualenvs/venv310/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 351, in <module>
          main()
        File "/home/user/.virtualenvs/venv310/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 333, in main
          json_out['return_val'] = hook(**hook_input['kwargs'])
        File "/home/user/.virtualenvs/venv310/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 118, in get_requires_for_build_wheel
          return hook(config_settings)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 969, in get_requires_for_build_wheel
          with _project(config_settings) as project:
        File "/usr/lib/python3.10/contextlib.py", line 135, in __enter__
          return next(self.gen)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 948, in _project
          with Project.with_temp_working_dir(
        File "/usr/lib/python3.10/contextlib.py", line 135, in __enter__
          return next(self.gen)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 777, in with_temp_working_dir
          yield cls(source_dir, tmpdir, build_dir)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 682, in __init__
          self._configure(reconfigure=bool(build_dir) and not native_file_mismatch)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 713, in _configure
          self._meson(
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 696, in _meson
          return self._proc('meson', *args)
        File "/tmp/pip-build-env-jwrxnkd1/overlay/lib/python3.10/site-packages/mesonpy/__init__.py", line 691, in _proc
          subprocess.check_call(list(args))
        File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command '['meson', 'setup', '--native-file=/tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-native-file.ini', '-Ddebug=false', '-Doptimization=2', '--prefix=/usr', '/tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05', '/tmp/pip-install-zvhwhcu_/scipy_5691822260404182a10d4f24cb2ebe05/.mesonpy-ujapjd7b/build']' returned non-zero exit status 1.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

× Getting requirements to build wheel did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.

3.2 解決策

libopenblas-devをインストールする。

user@host:~$ sudo apt install libopenblas-dev

下記ページによるとビルドする際に使うのがnumpy.distutilsからMesonに変更されて、依存関係を探すのがパスのハードコートからpkg-config経由に変わったかららしい。

4. 参考文献

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