[petsc-users] compile PETSc on win using clang

[Barry Smith]

  Please do as Satish previously suggested

~/petsc/lib/petsc/bin/win32fe/win32fe cl --use clang --verbose sizeof.c


  Also do 

clang sizeof.c

and send the output of both. Where sizeof.c is 

#include <stdio.h>
int main(int argc,char **args)
{
   printf("%d\n",(int)sizeof(int));
   return 0;
}

I may have typos in my sample code so please fix those.

Barry


> On Jan 24, 2023, at 6:22 PM, Guo, Sam <sam.guo at siemens.com> 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 <mailto:balay at mcs.anl.gov>>
> Sent: Tuesday, January 24, 2023 2:00 PM
> To: Barry Smith <bsmith at petsc.dev <mailto:bsmith at petsc.dev>>
> Cc: Guo, Sam (DI SW STS SDDEV MECH PHY FEA FW) <sam.guo at siemens.com <mailto:sam.guo at siemens.com>>; petsc-users at mcs.anl.gov <mailto:petsc-users at mcs.anl.gov> <petsc-users at mcs.anl.gov <mailto: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 <mailto: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
> > 
> > 
> <configure.log>

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