[petsc-users] compiling PETSc using c++ compiler

[Satish Balay]

Can you send the complete logs for this build [configure.log, make.log]?

Satish

On Tue, 6 Oct 2020, Sam Guo wrote:

> Dear PETSc dev team,
>   When I compile PETSc using
> --with-cc=gcc --with-cxx=g++ --with-clanguage=cxx,
> I got following error:
> ../../../petsc/src/sys/objects/pinit.c: In function ‘PetscInitialize’:
> ../../../petsc/src/sys/objects/pinit.c:913:21: error: expected declaration
> specifiers or ‘...’ before numeric constant
>   913 |     PetscComplex ic(0.0,1.0);
>       |                     ^~~
> ../../../petsc/src/sys/objects/pinit.c:913:25: error: expected declaration
> specifiers or ‘...’ before numeric constant
>   913 |     PetscComplex ic(0.0,1.0);
>       |                         ^~~
> ../../../petsc/src/sys/objects/pinit.c:914:15: error: ‘ic’ undeclared
> (first use in this function)
>   914 |     PETSC_i = ic;
>       |               ^~
> ../../../petsc/src/sys/objects/pinit.c:914:15: note: each undeclared
> identifier is reported only once for each function it appears in
> 
>  Thanks,
> Sam
>