Add custom mcxx version

bsc/mcxx/rarias.nix

@@ -0,0 +1,58 @@
+{ stdenv
+, fetchgit
+, autoreconfHook
+, nanos6
+, gperf
+, python
+, gfortran
+, pkg-config
+, sqlite
+, flex
+, bison
+, gcc
+}:
+
+stdenv.mkDerivation rec {
+  name = "mcxx-rarias";
+  #version attribute ignored when using fetchgit:
+  #version = "2.2.0-70a299cf";
+
+  #src = /home/Computational/rarias/mcxx;
+  src = builtins.fetchGit {
+    url = "ssh://git@bscpm02.bsc.es/rarias/mcxx";
+    rev = "44129a6ac05b8f78b06e9e2eff71438b5ca4d29f";
+  };
+
+  enableParallelBuilding = true;
+
+  buildInputs = [
+    autoreconfHook
+    nanos6
+    gperf
+    python
+    gfortran
+    pkg-config
+    sqlite.dev
+    bison
+    flex
+    gcc
+  ];
+
+  patches = [ ./intel.patch ];
+
+  preConfigure = ''
+    export ICC=icc
+    export ICPC=icpc
+    export IFORT=ifort
+  '';
+
+  configureFlags = [
+    "--enable-ompss-2"
+    "--with-nanos6=${nanos6}"
+  ];
+
+  # Regenerate ia32 builtins to add the ones for gcc9
+  #preBuild = ''
+  #  make generate_builtins_ia32 GXX_X86_BUILTINS=${gcc}/bin/g++
+  #'';
+}