pkg/highway

pkg/highway/build.zig

@@ -0,0 +1,110 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) !void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const upstream = b.dependency("highway", .{});
+
+    const module = b.addModule("highway", .{
+        .root_source_file = .{ .path = "main.zig" },
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const lib = b.addStaticLibrary(.{
+        .name = "highway",
+        .target = target,
+        .optimize = optimize,
+    });
+    lib.linkLibCpp();
+    lib.addIncludePath(upstream.path(""));
+    module.addIncludePath(upstream.path(""));
+
+    if (target.result.isDarwin()) {
+        const apple_sdk = @import("apple_sdk");
+        try apple_sdk.addPaths(b, &lib.root_module);
+        try apple_sdk.addPaths(b, module);
+    }
+
+    var flags = std.ArrayList([]const u8).init(b.allocator);
+    defer flags.deinit();
+    try flags.appendSlice(&.{
+        // Avoid changing binaries based on the current time and date.
+        "-Wno-builtin-macro-redefined",
+        "-D__DATE__=\"redacted\"",
+        "-D__TIMESTAMP__=\"redacted\"",
+        "-D__TIME__=\"redacted\"",
+
+        // Optimizations
+        "-fmerge-all-constants",
+
+        // Warnings
+        "-Wall",
+        "-Wextra",
+
+        // These are not included in Wall nor Wextra:
+        "-Wconversion",
+        "-Wsign-conversion",
+        "-Wvla",
+        "-Wnon-virtual-dtor",
+
+        "-Wfloat-overflow-conversion",
+        "-Wfloat-zero-conversion",
+        "-Wfor-loop-analysis",
+        "-Wgnu-redeclared-enum",
+        "-Winfinite-recursion",
+        "-Wself-assign",
+        "-Wstring-conversion",
+        "-Wtautological-overlap-compare",
+        "-Wthread-safety-analysis",
+        "-Wundefined-func-template",
+
+        "-fno-cxx-exceptions",
+        "-fno-slp-vectorize",
+        "-fno-vectorize",
+    });
+    if (target.result.os.tag != .windows) {
+        try flags.appendSlice(&.{
+            "-fmath-errno",
+            "-fno-exceptions",
+        });
+    }
+
+    lib.addCSourceFiles(.{
+        .dependency = upstream,
+        .flags = flags.items,
+        .files = &.{
+            "hwy/aligned_allocator.cc",
+            "hwy/nanobenchmark.cc",
+            "hwy/per_target.cc",
+            "hwy/print.cc",
+            "hwy/targets.cc",
+            "hwy/timer.cc",
+        },
+    });
+    lib.installHeadersDirectoryOptions(.{
+        .source_dir = upstream.path("hwy"),
+        .install_dir = .header,
+        .install_subdir = "hwy",
+        .include_extensions = &.{".h"},
+    });
+
+    b.installArtifact(lib);
+
+    {
+        const test_exe = b.addTest(.{
+            .name = "test",
+            .root_source_file = .{ .path = "main.zig" },
+            .target = target,
+            .optimize = optimize,
+        });
+        test_exe.linkLibrary(lib);
+
+        var it = module.import_table.iterator();
+        while (it.next()) |entry| test_exe.root_module.addImport(entry.key_ptr.*, entry.value_ptr.*);
+        const tests_run = b.addRunArtifact(test_exe);
+        const test_step = b.step("test", "Run tests");
+        test_step.dependOn(&tests_run.step);
+    }
+}

pkg/highway/build.zig.zon

@@ -0,0 +1,13 @@
+.{
+    .name = "highway",
+    .version = "1.0.7",
+    .paths = .{""},
+    .dependencies = .{
+        .highway = .{
+            .url = "https://github.com/google/highway/archive/refs/tags/1.0.7.tar.gz",
+            .hash = "122060ea43a9403ad53b4a33e19416c0e9949fb3e175035791bd2b7462091079d5a2",
+        },
+
+        .apple_sdk = .{ .path = "../apple-sdk" },
+    },
+}