In FreeFem-sources/idp/, after applying successively the 2 patches, and modifying line 251 of macro_ddm.idp as for(int debugI = 0; debugI < 2*intersection[0].n; ++debugI) mpiWaitAny(rq);, the output for stokes-2d-PETSc.edp is now:
-- FreeFem++ v4.9 (Fri Jun 18 14:45:02 CEST 2021 - git v4.9)
Load: lg_fem lg_mesh lg_mesh3 eigenvalue parallelempi
load: init metis (v 5 )
The Identifier intersection does not exist
Error line number 207, in file ../../idp/macro_ddm.idp, before token intersection
current line = 207 mpirank 0 / 4
Compile error :
line number :207, intersection
current line = 207 mpirank 2 / 4
error Compile error :
line number :207, intersection
code = 1 mpirank: 0
current line = 207 mpirank 1 / 4
current line = 207 mpirank 3 / 4