pyrox.dev
lol
1{ lib
2, stdenv
3, cmake
4, ninja
5, gtest
6, fetchFromGitHub
7}:
8
9stdenv.mkDerivation rec {
10 pname = "libhwy";
11 version = "1.0.7";
12
13 src = fetchFromGitHub {
14 owner = "google";
15 repo = "highway";
16 rev = version;
17 hash = "sha256-Z+mAR9nSAbCskUvo6oK79Yd85bu0HtI2aR5THS1EozM=";
18 };
19
20 nativeBuildInputs = [ cmake ninja ];
21
22 # Required for case-insensitive filesystems ("BUILD" exists)
23 dontUseCmakeBuildDir = true;
24
25 cmakeFlags = let
26 libExt = stdenv.hostPlatform.extensions.library;
27 in [
28 "-GNinja"
29 "-DCMAKE_INSTALL_LIBDIR=lib"
30 "-DCMAKE_INSTALL_INCLUDEDIR=include"
31 ] ++ lib.optionals doCheck [
32 "-DHWY_SYSTEM_GTEST:BOOL=ON"
33 "-DGTEST_INCLUDE_DIR=${lib.getDev gtest}/include"
34 "-DGTEST_LIBRARY=${lib.getLib gtest}/lib/libgtest${libExt}"
35 "-DGTEST_MAIN_LIBRARY=${lib.getLib gtest}/lib/libgtest_main${libExt}"
36 ] ++ lib.optionals stdenv.hostPlatform.isAarch32 [
37 "-DHWY_CMAKE_ARM7=ON"
38 ] ++ lib.optionals stdenv.hostPlatform.isx86_32 [
39 # Quoting CMakelists.txt:
40 # This must be set on 32-bit x86 with GCC < 13.1, otherwise math_test will be
41 # skipped. For GCC 13.1+, you can also build with -fexcess-precision=standard.
42 # Fixes tests:
43 # HwyMathTestGroup/HwyMathTest.TestAllAtanh/EMU128
44 # HwyMathTestGroup/HwyMathTest.TestAllLog1p/EMU128
45 "-DHWY_CMAKE_SSE2=ON"
46 ];
47
48 # hydra's darwin machines run into https://github.com/libjxl/libjxl/issues/408
49 doCheck = !stdenv.hostPlatform.isDarwin;
50
51 meta = with lib; {
52 description = "Performance-portable, length-agnostic SIMD with runtime dispatch";
53 homepage = "https://github.com/google/highway";
54 license = with licenses; [ asl20 bsd3 ];
55 platforms = platforms.unix;
56 maintainers = with maintainers; [ zhaofengli ];
57 };
58}