Move pkgs overlay to overlay.nix

2023-08-25 18:12:00 +02:00
parent f5d6bf627b
commit cb3a7b19f7
2 changed files with 4 additions and 1 deletions
--- a/pkgs/overlay.nix
+++ b/pkgs/overlay.nix
@@ -0,0 +1,28 @@
+final: prev:
+{
+  bsc = prev.bsc.extend (bscFinal: bscPrev: {
+    # Set MPICH as default
+    mpi = bscFinal.mpich;
+
+    # Configure the network for MPICH
+    mpich = with final; prev.mpich.overrideAttrs (old: {
+      buildInput = old.buildInputs ++ [
+        libfabric
+        pmix
+      ];
+      configureFlags = [
+        "--enable-shared"
+        "--enable-sharedlib"
+        "--with-pm=no"
+        "--with-device=ch4:ofi"
+        "--with-pmi=pmix"
+        "--with-pmix=${final.pmix}"
+        "--with-libfabric=${final.libfabric}"
+        "--enable-g=log"
+      ] ++ lib.optionals (lib.versionAtLeast gfortran.version "10") [
+        "FFLAGS=-fallow-argument-mismatch" # https://github.com/pmodels/mpich/issues/4300
+        "FCFLAGS=-fallow-argument-mismatch"
+      ];
+    });
+  });
+}