add warning if p4est/t8code are not usable

trixi-framework · Nov 20, 2023 · 1b02a77 · 1b02a77
1 parent 7a465a3
commit 1b02a77
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diff --git a/src/auxiliary/p4est.jl b/src/auxiliary/p4est.jl
@@ -22,6 +22,9 @@ function init_p4est()
 
         # Initialize `p4est` with log level ERROR to prevent a lot of output in AMR simulations
         p4est_init(C_NULL, SC_LP_ERROR)
+    else
+        @warn "Preferences for P4est.jl are not set correctly. Until fixed, using `P4estMesh` will result in a crash. " *
+              "See also https://trixi-framework.github.io/Trixi.jl/stable/parallelization/#parallel_system_MPI"
     end
 
     return nothing

diff --git a/src/auxiliary/t8code.jl b/src/auxiliary/t8code.jl
@@ -38,6 +38,9 @@ function init_t8code()
             @warn "T8code.jl: sc_finalize will be called during shutdown of Trixi.jl."
             MPI.add_finalize_hook!(T8code.Libt8.sc_finalize)
         end
+    else
+        @warn "Preferences for T8code.jl are not set correctly. Until fixed, using `T8codeMesh` will result in a crash. " *
+              "See also https://trixi-framework.github.io/Trixi.jl/stable/parallelization/#parallel_system_MPI"
     end
 
     return nothing