From 7a80d1ca98c4d4da82ae635a0310510ba1bb4bb1 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Thu, 5 Nov 2020 19:52:37 +0100
Subject: [PATCH] heat: Use clang by default

---
 garlic/apps/heat/default.nix | 39 +++++++++++++++++++++++++-----------
 overlay.nix                  | 18 +++++++++++++----
 2 files changed, 41 insertions(+), 16 deletions(-)

diff --git a/garlic/apps/heat/default.nix b/garlic/apps/heat/default.nix
index c249b41..8fcf324 100644
--- a/garlic/apps/heat/default.nix
+++ b/garlic/apps/heat/default.nix
@@ -1,32 +1,47 @@
 {
   stdenv
-, nanos6
 , mpi
 , tampi
-, mcxx
-, icc
+, clangOmpss2
+, bsx ? 1024
+, bsy ? 1024
 }:
 
 stdenv.mkDerivation rec {
   name = "heat";
+  extension = if (bsx == bsy)
+    then "${toString bsx}bs.exe"
+    else "${toString bsx}x${toString bsy}bs.exe";
 
-  src = builtins.fetchGit {
-    url = "ssh://git@bscpm02.bsc.es/benchmarks/ompss-2/heat-conflict-kevin.git";
-    #rev = "25fde23e5ad5f5e2e58418ed269bc2b44642aa17";
-    ref = "master";
-  };
+  variant = "heat_ompss";
+  target = "${variant}.${extension}";
+
+  makeFlags = [
+    "BSX=${toString bsx}"
+    "BSY=${toString bsy}"
+    target
+  ];
+
+  src = ~/heat;
+  #src = builtins.fetchGit {
+  #  url = "ssh://git@bscpm02.bsc.es/garlic/apps/heat.git";
+  #  ref = "garlic";
+  #};
 
   buildInputs = [
-    nanos6
     mpi
-    icc
+    clangOmpss2
     tampi
-    mcxx
   ];
 
+  programPath = "/bin/${target}";
+
   installPhase = ''
     mkdir -p $out/bin
-    cp heat_* $out/bin/
+    cp ${target} $out/bin/
+
+    mkdir -p $out/etc
+    cp heat.conf $out/etc/
   '';
 
 }
diff --git a/overlay.nix b/overlay.nix
index b95766c..6e97e96 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -238,10 +238,20 @@ let
 
         };
 
-#        heat = callPackage ./garlic/apps/heat {
-#          stdenv = pkgs.gcc7Stdenv;
-#          mpi = intel-mpi;
-#          tampi = tampi;
+        heat = callPackage ./garlic/apps/heat/default.nix { };
+#        heat = callPackage ./garlic/apps/heat/default.nix {
+#          # FIXME: The heat program must be able to compile with gcc9 and newer
+#          stdenv = self.gcc7Stdenv;
+#          #mpi = intel-mpi;
+#          #tampi = tampi;
+#
+#          # FIXME: Nanos6 fails to load if we are not using a compatible stdc++
+#          # version, so we use the same provided by gcc7
+#          mcxx = self.bsc.mcxx.override {
+#            nanos6 = self.bsc.nanos6.override {
+#              stdenv = self.gcc7Stdenv;
+#            };
+#          };
 #        };
 #  
 #        lulesh = callPackage ./garlic/apps/lulesh {