scalapack: fix building with mpich

2021-01-10 15:08:59 +01:00 · 2021-01-10 15:08:59 +01:00 · b6a09f8887
commit b6a09f8887
parent 6dba41fbcb
1 changed files with 3 additions and 0 deletions
--- a/pkgs/development/libraries/science/math/scalapack/default.nix
+++ b/pkgs/development/libraries/science/math/scalapack/default.nix
@ -36,6 +36,9 @@ stdenv.mkDerivation rec {
    # make sure the test starts even if we have less than 4 cores
    export OMPI_MCA_rmaps_base_oversubscribe=1

+    # Fix to make mpich run in a sandbox
+    export HYDRA_IFACE=lo
+
    # Run single threaded
    export OMP_NUM_THREADS=1