[petsc-users] out of date warning when petscmpiexec.

[Syvshc]

I'm a beginner with petsc, and I'm reading PETSc for Partial Differential Equations. 

There is the newest release version (3.18.2) of PETSc's gitlab repo on my device, and openmpi in my system (/usr/sbin/). 


Here is the repo and what I tried to compiling. p4pdes/e.c at master · bueler/p4pdes (github.com)


After "make e", I got an excutable file "e". "./e" or "mpiexec -n 4 ./e" can perfectly run. 


However when I use "petscmpiexec -n 4 ./e", I got some warnings:


Warning: ************** The PETSc libraries are out of date
Warning: ************** The executable ./e is out of date


What should I do to fix the warning?


Also this is the first time that I send to a mail-list, if there are some mistakes I made, please tell me. 


Kind regards,


Syvshc
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