1 files changed, 47 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/libhwy/default.nix b/nixpkgs/pkgs/development/libraries/libhwy/default.nix
new file mode 100644
index 000000000000..7656e063822d
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/libhwy/default.nix
@@ -0,0 +1,47 @@
+{ lib, stdenv, cmake, ninja, gtest, fetchpatch, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "libhwy";
+  version = "0.15.0";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "highway";
+    rev = version;
+    sha256 = "sha256-v2HyyHtBydr7QiI83DW1yRv2kWjUOGxFT6mmdrN9XPo=";
+  };
+
+  patches = [
+    # Remove on next release
+    # https://github.com/google/highway/issues/460
+    (fetchpatch {
+      name = "hwy-add-missing-includes.patch";
+      url = "https://github.com/google/highway/commit/8ccab40c2f931aca6004d175eec342cc60f6baec.patch";
+      sha256 = "sha256-wlp5gIvK2+OlKtsZwxq/pXTbESkUtimHXaYDjcBzmQ0=";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ninja ];
+
+  checkInputs = [ gtest ];
+
+  # Required for case-insensitive filesystems ("BUILD" exists)
+  dontUseCmakeBuildDir = true;
+
+  cmakeFlags = [
+    "-GNinja"
+    "-DCMAKE_INSTALL_LIBDIR=lib"
+    "-DCMAKE_INSTALL_INCLUDEDIR=include"
+  ] ++ lib.optional doCheck "-DHWY_SYSTEM_GTEST:BOOL=ON";
+
+  # hydra's darwin machines run into https://github.com/libjxl/libjxl/issues/408
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
+  meta = with lib; {
+    description = "Performance-portable, length-agnostic SIMD with runtime dispatch";
+    homepage = "https://github.com/google/highway";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ zhaofengli ];
+  };
+}