[petsc-users] compile PETSc on win using clang

[Guo, Sam]

Attached please find configure.log.

error messgae:
C:\home\xian\dev\star\petsc\src\sys\objects\device\INTERF~1\device.cxx(486): error C2065: 'PETSC_DEVICE_CASE': undeclared identifier

________________________________
From: Satish Balay <balay at mcs.anl.gov>
Sent: Tuesday, January 24, 2023 2:00 PM
To: Barry Smith <bsmith at petsc.dev>
Cc: Guo, Sam (DI SW STS SDDEV MECH PHY FEA FW) <sam.guo at siemens.com>; petsc-users at mcs.anl.gov <petsc-users at mcs.anl.gov>
Subject: Re: [petsc-users] compile PETSc on win using clang

https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.wikihow.com%2FInstall-Clang-on-Windows&data=05%7C01%7Csam.guo%40siemens.com%7Ca6e1607f7e23403f9b4008dafe56627d%7C38ae3bcd95794fd4addab42e1495d55a%7C1%7C0%7C638101944252560682%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=BOy9RDMGw11IlwRthzcB5Il3YUIgVVrukbzOMFdV8MI%3D&reserved=0

Is the clang you have from visual studio - as described above?

We don't have experience with using this variant of clang.

If its compatible with 'cl' - and supports the same command interface as 'cl' then the following might work [assuming clang.exe is the compiler binary installed - and available in PATH]:

'--with-cc=win32fe cl --use clang'

Satish


On Tue, 24 Jan 2023, Barry Smith wrote:

>
>    Are you using clang as a replacement for the
>
>    *  "Unix-like" Cygwin GNU compilers compilers or
>
>    *  MinGW GNU compilers that are compatible with the Microsoft compilers?
>
>   If the former, follow the instructions for using the Cygwin GNU compilers, if the latter follow the directions for the MinGW compilers.
>
>   Send the configure.log and make.log if things go wrong and we'll help you out.
>
>   Barry
>
>
>
>
> > On Jan 24, 2023, at 4:01 PM, Guo, Sam <sam.guo at siemens.com> wrote:
> >
> > Hi PETSc dev team,
> >    I try to compile PETSc on win using clang. I am wondering if you could give me some hint. (I’ve already made intel compiler work on win using win32fe icl).
> >
> > Thanks,
> > Sam Guo
>
>
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