[petsc-users] PETSc Windows Installation

[Satish Balay]

With cygwin-openmpi the examples ran fine - you can ignore the extra message that causes grief with diff. But you should be able to use it.

--download-mpich doesn't work on windows anymore.

Satish

On Fri, 28 Oct 2022, Mohammad Ali Yaqteen wrote:

> Dear Sir,
> 
> During the Installation of PETSc in windows, I installed Cygwin and the required libraries as mentioned on your website:
> [cid:image002.png at 01D8EAF4.F4004D90]
> However, when I install PETSc using the configure commands present on the petsc website:
> 
> ./configure --with-cc=gcc --with-cxx=0 --with-fc=0 --download-f2cblaslapack --download-mpich
> 
> it gives me the following error:
> 
> [cid:image003.png at 01D8EAF5.7A5C0E10]
> 
> I already installed OpenMPI using Cygwin installer but it still asks me to. When I configure without "-download-mpich" and run "make check" command, it gives me the following errors:
> 
> [cid:image001.png at 01D8EAF1.6E65C190]
> 
> Could you kindly look into this and help me with this? Your prompt response will highly be appreciated.
> 
> Thank you!
> Mohammad Ali
> Researcher, Sejong University
>