p4est-sc: use mpiCheckPhaseHook

pkgs/development/libraries/science/math/p4est-sc/default.nix

···
-{ lib, stdenv, fetchFromGitHub
+{ lib, stdenv, fetchFromGitHub, mpiCheckPhaseHook
 , autoreconfHook, pkg-config
 , p4est-sc-debugEnable ? true, p4est-sc-mpiSupport ? true
 , mpi, openssh, zlib
···
   enableParallelBuilding = true;
   makeFlags = [ "V=0" ];
 
-  preCheck = ''
-    export OMPI_MCA_rmaps_base_oversubscribe=1
-    export HYDRA_IFACE=lo
-  '';
+  nativeCheckInputs = lib.optionals mpiSupport [
+    mpiCheckPhaseHook
+    openssh
+  ];
 
   # disallow Darwin checks due to prototype incompatibility of qsort_r
   # to be fixed in a future version of the source code

pkgs/development/libraries/science/math/p4est/default.nix

···
     ++ lib.optional withMetis "--with-metis"
   ;
 
-  inherit (p4est-sc) makeFlags dontDisableStatic enableParallelBuilding preCheck doCheck;
+  inherit (p4est-sc) makeFlags dontDisableStatic enableParallelBuilding doCheck;
 
   meta = {
     branch = "prev3-develop";