[petsc-users] compile PETSc on win using clang

[Guo, Sam]

configure.log with -with-cc="win32fe cl --use clang"
________________________________
From: Satish Balay <balay at mcs.anl.gov>
Sent: Tuesday, January 24, 2023 5:15 PM
To: Guo, Sam (DI SW STS SDDEV MECH PHY FEA FW) <sam.guo at siemens.com>
Cc: Barry Smith <bsmith at petsc.dev>; petsc-users <petsc-users at mcs.anl.gov>
Subject: Re: [petsc-users] compile PETSc on win using clang

Configure Options: --configModules=PETSc.Configure --optionsModule=config.compilerOptions --with-cc="win32fe cl" --use win32fe clang --with-fc=0
 --with-debugging=0 -CFLAGS="-O2 -MD -wd4996" -CXXFLAGS="-O2 -MD -wd4996" --with-mpi=0 --with-clean=1 --force --with-scalar-type=real
 --ignore-cygwin-link -CFLAGS="-O2 -MD -wd4996" -CXXFLAGS="-O2 -MD -wd4996"

It should be --with-cc="win32fe cl --use clang"

But then - this mode is untested with configure - so there could be other issues.

Also - do you need c++? If not - use --with-cxx=0. This can avoid the error below. [for clang++ - you might need --with-cxx="win32fe cl --use clang++" - again untested - so might not work..]

Satish


On Tue, 24 Jan 2023, Guo, Sam wrote:

> 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%7Cf91c34cd02bb4cea9d4808dafe71b408%7C38ae3bcd95794fd4addab42e1495d55a%7C1%7C0%7C638102061582605791%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=DW33e3209lC4piF9wlJeQLR%2BRmAHQakczlgTUKe%2Bcuo%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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