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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Installing Slycot with pip on Windows (Microsoft C++ toolset Build Tools + Intel Fortran + oneMKL) failed build wheels","articleBody":"I tried to install Slycot on Windows 10, Python 3.12.0 and follow the instructions on the README. I managed to go some steps further than #191, with a configuration of the build environment using:\r\n\r\n- C compiler - Microsoft C++ toolset Build Tools MSVC 19.39.33523.0 cl\r\n- FORTRAN compiler - IntelLLVM 2024.1.0 with MSVC-like command-line, bascially the Intel(R) Fortran Compiler ifx\r\n- BLAS/LAPACK - Intel oneAPI Math Kernel Library\r\n- Numpy 1.26.4\r\n- Scikit-build 0.17.6\r\n\r\nBut I also encounter a roadblock, I think the origin is at the start of Post-processing\r\n`slycot/src/_wrapper.pyf:_wrapper:unknown_interface:ab08nd analyzevars: could not parse dimension for variable 'max(n,m)+1'\r\n`\r\nThat I think leads to\r\n\r\n```\r\n Generating possibly empty wrappers\"\r\n          Maybe empty \"_wrapper-f2pywrappers.f\"\r\n              Constructing wrapper function \"ab08nd\"...\r\n      getarrdims:warning: assumed shape array, using 0 instead of '*'\r\n      getarrdims:warning: assumed shape array, using 0 instead of '*'\r\n      getarrdims:warning: assumed shape array, using 0 instead of '*'\r\n      getarrdims:warning: assumed shape array, using 0 instead of '*'\r\n```\r\n\r\n\r\nWith the error\r\n```\r\n[1259/1260] Linking Fortran shared module slycot\\_wrapper.cp312-win_amd64.pyd\r\n      FAILED: slycot/_wrapper.cp312-win_amd64.pyd\r\n      C:\\WINDOWS\\system32\\cmd.exe /C \"cd . \u0026\u0026 C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-build-env-kvwyujzv\\overlay\\Lib\\site-packages\\cmake\\data\\bin\\cmake.exe -E vs_link_dll --intdir=slycot\\CMakeFiles\\_wrapper.dir --rc=C:\\PROGRA~2\\WI3CF2~1\\10\\bin\\100226~1.0\\x86\\rc.exe --mt=C:\\PROGRA~2\\WI3CF2~1\\10\\bin\\100226~1.0\\x86\\mt.exe --manifests  -- C:\\PROGRA~2\\Intel\\oneAPI\\compiler\\latest\\bin\\ifx.exe /nologo @CMakeFiles\\_wrapper.rsp  -LD /machine:x64 /INCREMENTAL:NO /EXPORT:PyInit__wrapper -link /out:slycot\\_wrapper.cp312-win_amd64.pyd /implib:slycot\\_wrapper.lib /pdb:slycot\\_wrapper.pdb /version:0.0 \u0026\u0026 cd .\"\r\n      LINK: command \"C:\\PROGRA~2\\Intel\\oneAPI\\compiler\\latest\\bin\\ifx.exe /nologo @CMakeFiles\\_wrapper.rsp -LD /machine:x64 /INCREMENTAL:NO /EXPORT:PyInit__wrapper -link /out:slycot\\_wrapper.cp312-win_amd64.pyd /implib:slycot\\_wrapper.lib /pdb:slycot\\_wrapper.pdb /version:0.0 /MANIFEST:EMBED,ID=2\" failed (exit code 1120) with the following output:\r\n      ifx: command line warning #10006: ignoring unknown option '/machine:x64'\r\n      ifx: command line warning #10006: ignoring unknown option '/EXPORT:PyInit__wrapper'\r\n         Creating library slycot\\_wrapper.lib and object slycot\\_wrapper.exp\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab01nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab04md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab05md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab05nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab07nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab08nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab08nz_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab09ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab09ax_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab09bd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab09md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab09nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol f2pywrapab13bd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab13dd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab13md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab13ed_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ab13fd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ag08bd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mc01td_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb02ed_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb03rd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb03vd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb03vy_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb03wd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb05md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol mb05nd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb01bd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb02md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb02od_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb02mt_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb03md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb03od_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb04md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb04qd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10dd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10fd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10hd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10jd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sb10yd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sg03ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sg02ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol sg03bd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tb01id_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tb03ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tb04ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tb05ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tc01od_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tc04ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol td04ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tf01md_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tf01rd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tb01pd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tg01ad_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol tg01fd_\r\n      _wrappermodule.c.obj : error LNK2001: unresolved external symbol ftruefalse_\r\n      _wrappermodule.c.obj : error LNK2019: unresolved external symbol ab13bd_ referenced in function PyInit__wrapper\r\n\r\n      slycot\\_wrapper.cp312-win_amd64.pyd : fatal error LNK1120: 57 unresolved externals\r\n\r\n      ninja: build stopped: subcommand failed.\r\n      Traceback (most recent call last):\r\n        File \"C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-build-env-kvwyujzv\\overlay\\Lib\\site-packages\\skbuild\\setuptools_wrap.py\", line 674, in setup\r\n          cmkr.make(make_args, install_target=cmake_install_target, env=env)\r\n        File \"C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-build-env-kvwyujzv\\overlay\\Lib\\site-packages\\skbuild\\cmaker.py\", line 697, in make\r\n          self.make_impl(clargs=clargs, config=config, source_dir=source_dir, install_target=install_target, env=env)\r\n        File \"C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-build-env-kvwyujzv\\overlay\\Lib\\site-packages\\skbuild\\cmaker.py\", line 742, in make_impl\r\n          raise SKBuildError(msg)\r\n\r\n      An error occurred while building with CMake.\r\n        Command:\r\n          'C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-build-env-kvwyujzv\\overlay\\Lib\\site-packages\\cmake\\data\\bin/cmake.exe' --build . --target install --config Release --\r\n        Install target:\r\n          install\r\n        Source directory:\r\n          C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-install-rqqmzrzv\\slycot_0e9c969270b347ee8377b15d2e5ae52c\r\n        Working directory:\r\n          C:\\Users\\A1063610\\AppData\\Local\\Temp\\pip-install-rqqmzrzv\\slycot_0e9c969270b347ee8377b15d2e5ae52c\\_skbuild\\win-amd64-3.12\\cmake-build\r\n      Please check the install target is valid and see CMake's output for more information.\r\n\r\n      [end of output]\r\n\r\n  note: This error originates from a subprocess, and is likely not a problem with pip.\r\n  ERROR: Failed building wheel for slycot\r\nFailed to build slycot\r\nERROR: Could not build wheels for slycot, which is required to install pyproject.toml-based projects\r\n```\r\n\r\nCould this be the issue of some of the tools/compilers/libs I used?\r\n\r\nThe full output is too long to add it, but if interested I could provide it.\r\n\r\n","author":{"url":"https://github.com/jaivgar","@type":"Person","name":"jaivgar"},"datePublished":"2024-04-19T12:44:56.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/235/Slycot/issues/235"}