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scivision / mumps

MUMPS via CMake
http://mumps-solver.org
MIT License
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Missing variable is: CMAKE_Fortran_PREPROCESS_SOURCE #77

Closed gouff closed 8 months ago

gouff commented 8 months ago

PS C:\repo\mumps-5.6.2.2> cmake -G Ninja -B build -- The C compiler identification is Clang 18.1.0 -- The Fortran compiler identification is unknown Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2024.0.2 Build 20231213 Copyright (C) 1985-2023 Intel Corporation. All rights reserved.

-- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: C:/llvm-mingw-20240306-ucrt-x86_64/bin/cc.exe - skipped -- Detecting C compile features -- Detecting C compile features - done -- Check for working Fortran compiler: C:/Program Files (x86)/Intel/oneAPI/2024.0/bin/ifx.exe CMake Error: Error required internal CMake variable not set, cmake may not be built correctly. Missing variable is: CMAKE_Fortran_PREPROCESS_SOURCE CMake Error at C:/cmake-3.25.3-windows-x86_64/share/cmake-3.29/Modules/CMakeTestFortranCompiler.cmake:49 (try_compile): Failed to generate test project build system. Call Stack (most recent call first): CMakeLists.txt:16 (project)

-- Configuring incomplete, errors occurred!

scivision commented 8 months ago

you need to use the Intel oneAPI Command Prompt from the Start => Programs => Intel oneAPI menu, otherwise the Intel oneAPI compiler isn't detected properly as you're experiencing. In general MUMPS works with oneAPI including on Windows.