Cross-referencing
https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/issues/1254__;!!G_uCfscf7eWS!dXHKUheZr_zi40ctF3flLGD0N_qAfFixD8DHUmzFJXKbIKjQ1jFS1-kfRf_GGXnljrjgjIyvcP-9POvAjSl8zA$
Thanks,
Pierre
> On 21 Aug 2024, at 8:15 PM, meator <meator....@gmail.com> wrote:
>
> Hello. I have skimmed through PETSc's documentation to see whether PETSc has
> any special policy for including header files, but I didn't find anything, so
> I assume that standard C rules apply.
>
> The problematic header file is <petscerror.h>. The following code doesn't
> compile:
>
> #include <petscerror.h>
>
> int main() { return 0; }
>
> It fails because <petscerror.h> expects `MPI_Comm` to be defined, but it is
> (I assume) lacking appropriate includes which would define it. This is
> unfortunate, because many linters targeting C/C++ sort header files
> alphabetically. Since "petsc" is the common prefix for most PETSc header
> files, `petscerror.h` was put first in my header list because it begins with
> an "e".
>
> I'm using PETSc version 3.21.3.
>
> Thanks in advance
> <OpenPGP_0x1A14CB3464CBE5BF.asc>
