在MSYS2中使用BLAS，LAPACK和ARPACK [英] Using BLAS, LAPACK, and ARPACK with MSYS2

问题描述

我正在通过64位工具链使用MSYS2在Windows 10 64位上工作.在MSYS2终端中，用pacman -Ss，

搜索以下软件包后，我发现并安装了以下软件包

mingw64/mingw-w64-x86_64-openblas 0.2.20-2
mingw64/mingw-w64-x86_64-lapack 3.6.1-1
mingw64/mingw-w64-x86_64-arpack 3.5.0-1

我从英特尔MKL库示例中获取了一个示例fortran源文件；我将dgelsx.f文件复制到了msys主目录中的文件夹中.我用

C:/msys64/home/k_chu/lapacktext/dgelsx.exe: error while loading shared libraries: ?: cannot open shared object file: No such file or directory

编译(在mingw64终端中)

gfortran dgelsx.f -o dgelsx -llapack -lblas

它编译时没有任何抱怨，但是当我尝试运行它时，我得到了错误

C:/msys64/home/k_chu/lapacktext/dgelsx.exe: error while loading shared libraries: ?: cannot open shared object file: No such file or directory

为什么会这样?在开始工作之前，我还没有尝试过处理arpack示例.另外，如果我能完成所有这些工作，是否可以将Microsoft Visual Studio中的arpack库与Intel ifort编译器一起使用?我尝试将/msys64/mingw64/bin中的.dll文件复制到我的MSV项目文件夹中，但是没有运气，与/msys64/mingw64/lib中的.a和.dll.a文件相同.

解决方案

请使用依赖项遍历( http://www. (.dependwalkerker.com )来定位.dll，程序无法在路径中找到该.dll.或使用-static-libgcc或-static-libstdc++进行编译，以避免在运行时产生依赖关系.

I am working on Windows 10 64-bit using MSYS2 with the 64-bit toolchain. In the MSYS2 terminal I found and installed the following packages after searching for them with pacman -Ss,

mingw64/mingw-w64-x86_64-openblas 0.2.20-2
mingw64/mingw-w64-x86_64-lapack 3.6.1-1
mingw64/mingw-w64-x86_64-arpack 3.5.0-1

I took an example fortran source file from the Intel MKL library examples; I copied the dgelsx.f file to a folder in my msys home directory. I compile (in the mingw64 terminal) with

gfortran dgelsx.f -o dgelsx -llapack -lblas

it compiles without any complaint, but when I attempt to run it, I get the error

C:/msys64/home/k_chu/lapacktext/dgelsx.exe: error while loading shared libraries: ?: cannot open shared object file: No such file or directory

Why is this happening? I haven't attempted to deal with an arpack example yet until I get this working. Also if I do get all of this working, will it be possible to use the arpack libraries in Microsoft Visual Studio with the Intel ifort compiler? I tried copying the .dll files in /msys64/mingw64/bin into my MSV project folder but no luck, same with the .a and .dll.a files in the /msys64/mingw64/lib.

解决方案

Please use dependency walker (http://www.dependencywalker.com) to locate the .dll, which the program cannot find on the path. Or compile with -static-libgcc or -static-libstdc++ to avoid dependencies at runtime.

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