pkgs/by-name/li/libhwy/package.nix

   1 { lib
   2 , stdenv
   3 , cmake
   4 , ninja
   5 , gtest
   6 , fetchFromGitHub
   7 , fetchpatch
   8 }:
   9
  10 stdenv.mkDerivation rec {
  11   pname = "libhwy";
  12   version = "1.0.7";
  13
  14   src = fetchFromGitHub {
  15     owner = "google";
  16     repo = "highway";
  17     rev = version;
  18     hash = "sha256-Z+mAR9nSAbCskUvo6oK79Yd85bu0HtI2aR5THS1EozM=";
  19   };
  20
  21   patches = lib.optional stdenv.hostPlatform.isRiscV
  22     # Adds CMake option HWY_CMAKE_RVV
  23     # https://github.com/google/highway/pull/1743
  24     (fetchpatch {
  25       name = "libhwy-add-rvv-optout.patch";
  26       url = "https://github.com/google/highway/commit/5d58d233fbcec0c6a39df8186a877329147324b3.patch";
  27       hash = "sha256-ileSNYddOt1F5rooRB0fXT20WkVlnG+gP5w7qJdBuww=";
  28     });
  29
  30   hardeningDisable = lib.optionals stdenv.hostPlatform.isAarch64 [
  31     # aarch64-specific code gets:
  32     # __builtin_clear_padding not supported for variable length aggregates
  33     "trivialautovarinit"
  34   ];
  35
  36   nativeBuildInputs = [ cmake ninja ];
  37
  38   # Required for case-insensitive filesystems ("BUILD" exists)
  39   dontUseCmakeBuildDir = true;
  40
  41   cmakeFlags = let
  42     libExt = stdenv.hostPlatform.extensions.library;
  43   in [
  44     "-GNinja"
  45     "-DCMAKE_INSTALL_LIBDIR=lib"
  46     "-DCMAKE_INSTALL_INCLUDEDIR=include"
  47   ] ++ lib.optionals doCheck [
  48     "-DHWY_SYSTEM_GTEST:BOOL=ON"
  49     "-DGTEST_INCLUDE_DIR=${lib.getDev gtest}/include"
  50     "-DGTEST_LIBRARY=${lib.getLib gtest}/lib/libgtest${libExt}"
  51     "-DGTEST_MAIN_LIBRARY=${lib.getLib gtest}/lib/libgtest_main${libExt}"
  52   ] ++ lib.optionals stdenv.hostPlatform.isAarch32 [
  53     "-DHWY_CMAKE_ARM7=ON"
  54   ] ++ lib.optionals stdenv.hostPlatform.isx86_32 [
  55     # Quoting CMakelists.txt:
  56     #   This must be set on 32-bit x86 with GCC < 13.1, otherwise math_test will be
  57     #   skipped. For GCC 13.1+, you can also build with -fexcess-precision=standard.
  58     # Fixes tests:
  59     #   HwyMathTestGroup/HwyMathTest.TestAllAtanh/EMU128
  60     #   HwyMathTestGroup/HwyMathTest.TestAllLog1p/EMU128
  61     "-DHWY_CMAKE_SSE2=ON"
  62   ] ++ lib.optionals stdenv.hostPlatform.isRiscV [
  63     # Runtime dispatch is not implemented https://github.com/google/highway/issues/838
  64     # so tests (and likely normal operation) fail with SIGILL on processors without V.
  65     # Until the issue is resolved, we disable RVV completely.
  66     "-DHWY_CMAKE_RVV=OFF"
  67   ];
  68
  69   # hydra's darwin machines run into https://github.com/libjxl/libjxl/issues/408
  70   doCheck = !stdenv.hostPlatform.isDarwin;
  71
  72   meta = with lib; {
  73     description = "Performance-portable, length-agnostic SIMD with runtime dispatch";
  74     homepage = "https://github.com/google/highway";
  75     license = with licenses; [ asl20 bsd3 ];
  76     platforms = platforms.unix;
  77     maintainers = with maintainers; [ zhaofengli ];
  78   };
  79 }