From c223d205c5d0c1cca8d03e3e885e736e241fd804 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Bon=C3=A9?= <aleix.boneribo@bsc.es>
Date: Mon, 14 Apr 2025 10:43:07 +0200
Subject: [PATCH] tasycl: init at 2.1.0

---
 overlay.nix             |   2 +
 pkgs/tasycl/default.nix | 103 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 105 insertions(+)
 create mode 100644 pkgs/tasycl/default.nix

diff --git a/overlay.nix b/overlay.nix
index 73cd830..8166025 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -47,6 +47,8 @@ let
     stdenvClangOmpss2NodesOmpv = final.stdenv.override { cc = final.clangOmpss2NodesOmpv; allowedRequisites = null; };
     tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
     tampi = callPackage ./pkgs/tampi/default.nix { };
+    tasycl = callPackage ./pkgs/tasycl/default.nix { };
+    tasycl-acpp = callPackage ./pkgs/tasycl/default.nix { useIntel = false; };
     wxparaver = callPackage ./pkgs/paraver/default.nix { };
   };
 
diff --git a/pkgs/tasycl/default.nix b/pkgs/tasycl/default.nix
new file mode 100644
index 0000000..7dec7a3
--- /dev/null
+++ b/pkgs/tasycl/default.nix
@@ -0,0 +1,103 @@
+{ stdenv
+, lib
+, withCFlags
+, intelPackages
+, fetchFromGitHub
+, automake
+, autoconf
+, libtool
+, gnumake
+, autoreconfHook
+, boost
+, opensycl ? null
+, adaptivecpp ? null
+, useIntel ? true
+
+, useGit ? false
+, gitUrl ? "git@gitlab-internal.bsc.es:task-awareness/tasycl/tasycl.git"
+, gitBranch ? "main"
+, gitCommit ? "78f98dcf60a66e0eaa3b4ebcf55be076bec64825"
+}:
+
+assert (useIntel || opensycl != null || adaptivecpp != null);
+
+let
+  # opensycl has migrated to adaptivecpp
+  acpp-flags =
+    if adaptivecpp == null then
+      [ "-L${opensycl}/lib" "-lhipSYCL-rt" "-I${opensycl}/include" ]
+    else
+      [ "-L${adaptivecpp}/lib" "-lacpp-rt" "-I${adaptivecpp}/include" ]
+  ;
+
+  variant = if useIntel then "intel" else "acpp";
+
+  syclStdenv =
+    if useIntel then
+      # If we don't set optimization level, separateDebugInfo sets ggdb and
+      # intel disables all optimizations
+      withCFlags ["-O3"] intelPackages.stdenv
+    else
+      withCFlags acpp-flags stdenv
+  ;
+
+  release = rec {
+    version = "2.1.0";
+    src = fetchFromGitHub {
+      owner = "bsc-pm";
+      repo = "tasycl";
+      rev = version;
+      hash = "sha256-0kXnb0lHeQNHR27GTLbJ8xbiICLU8k2+FqEnnFSrzzo=";
+    };
+  };
+
+  git = rec {
+    version = src.shortRev;
+    src = builtins.fetchGit {
+      url = gitUrl;
+      ref = gitBranch;
+      rev = gitCommit;
+    };
+  };
+
+  source = if (useGit) then git else release;
+
+  isOldRelease = (!useGit && (builtins.compareVersions source.version "2.0.0" <= 0));
+
+in
+
+assert !isOldRelease || useIntel; # old releases only work with intel
+
+syclStdenv.mkDerivation {
+  pname = "tasycl";
+  inherit (source) src version;
+
+  enableParallelBuilding = true;
+  separateDebugInfo = true;
+
+  nativeBuildInputs = [
+    autoreconfHook
+    automake
+    autoconf
+    libtool
+    gnumake
+  ];
+
+  buildInputs = [
+    boost
+  ];
+
+  # only needed for release versions prior or equal to 2.0.0
+  configureFlags = lib.optionals isOldRelease [ "--with-sycl-include=${intelPackages.icx.cc}/include/sycl" ];
+
+  # add symlinks so we can explicitly link with tasycl-intel / tasycl-acpp
+  postInstall = ''
+    pushd $out/lib
+    for i in libtasycl* ; do
+      ln -s "$i" "''\${i/tasycl/tasycl-${variant}}"
+    done
+    popd
+  '';
+
+  hardeningDisable = [ "all" ];
+}