<div dir="ltr">on Perlmutter with nvhpc:<div><br></div><div>              Defined make macro "CPP" to "cc --use cpp32"<br>Preprocessing source:<br>#include "confdefs.h"<br>#include "conffix.h"<br>#include <stdlib.h><br><br>Executing: cc --use cpp32  -I/tmp/petsc-jV9U1b/config.setCompilers  /tmp/petsc-jV9U1b/config.setCompilers/conftest.c<br>Possible ERROR while running preprocessor: exit code 1<br>stderr:<br>nvc-Error-Unknown switch: --use<br>Source:<br></div></div>