From f15055ccdbc7b4bab1fd2bd9d324b1940bc87573 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Bon=C3=A9?= <aleix.boneribo@bsc.es>
Date: Fri, 11 Apr 2025 15:03:15 +0200
Subject: [PATCH] Add SYCL test compilation

---
 overlay.nix                   |  1 +
 test/compilers/hello-sycl.nix | 55 +++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 test/compilers/hello-sycl.nix

diff --git a/overlay.nix b/overlay.nix
index 1b892ae..e1b7805 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -70,6 +70,7 @@ let
     #sigsegv = callPackage ./test/reproducers/sigsegv.nix { };
     hello-c = callPackage ./test/compilers/hello-c.nix { };
     hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
+    hello-sycl = callPackage ./test/compilers/hello-sycl.nix { };
     lto = callPackage ./test/compilers/lto.nix { };
     asan = callPackage ./test/compilers/asan.nix { };
     intel2023-icx-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv; };
diff --git a/test/compilers/hello-sycl.nix b/test/compilers/hello-sycl.nix
new file mode 100644
index 0000000..01cffb8
--- /dev/null
+++ b/test/compilers/hello-sycl.nix
@@ -0,0 +1,55 @@
+{ intelPackages,  writeText, strace }:
+
+let
+  stdenv = intelPackages.stdenv;
+  hello_sycl = writeText "hello.cpp" ''
+    #include <sycl/sycl.hpp>
+
+    class hello_world;
+
+    int main(int argc, char** argv) try {
+        auto device_selector = sycl::default_selector_v;
+
+        sycl::queue queue(device_selector);
+
+        std::cout << "Running on: "
+                  << queue.get_device().get_info<sycl::info::device::name>()
+                  << std::endl;
+
+        queue.submit([&] (sycl::handler& cgh) {
+            auto os = sycl::stream{128, 128, cgh};
+            cgh.single_task<hello_world>([=]() {
+                os << "Hello World! (on device)\n";
+            });
+        });
+
+        return 0;
+    } catch (sycl::exception &e) {
+        std::cout << "SYCL exception: " << e.what() << std::endl;
+        return 0; // we excpect to fail since no devices should be available;
+    }
+  '';
+in
+
+stdenv.mkDerivation {
+  version = "0.0.1";
+  name = "hello-sycl";
+  buildInputs = [ stdenv strace ];
+  src = hello_sycl;
+  dontUnpack = true;
+  dontConfigure = true;
+  NIX_DEBUG = 0;
+  buildPhase = ''
+    cp $src hello.cpp
+    set -x
+    echo CXX=$CXX
+    command -v $CXX
+    $CXX -fsycl hello.cpp -o hello
+    ./hello
+    set +x
+  '';
+
+  installPhase = ''
+    touch $out
+  '';
+}