ghostty/pkg/zlib/build.zig

const std = @import("std");

pub fn build(b: *std.Build) !void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const upstream = b.dependency("zlib", .{});

    const lib = b.addStaticLibrary(.{
        .name = "z",
        .target = target,
        .optimize = optimize,
    });
    lib.linkLibC();
    lib.addIncludePath(upstream.path(""));
    lib.installHeadersDirectoryOptions(.{
        .source_dir = upstream.path(""),
        .install_dir = .header,
        .install_subdir = "",
        .include_extensions = &.{".h"},
    });

    var flags = std.ArrayList([]const u8).init(b.allocator);
    defer flags.deinit();
    try flags.appendSlice(&.{
        "-DHAVE_SYS_TYPES_H",
        "-DHAVE_STDINT_H",
        "-DHAVE_STDDEF_H",
        "-DZ_HAVE_UNISTD_H",
    });
    for (srcs) |src| {
        lib.addCSourceFile(.{
            .file = upstream.path(src),
            .flags = flags.items,
        });
    }

    b.installArtifact(lib);
}

const srcs: []const []const u8 = &.{
    "adler32.c",
    "compress.c",
    "crc32.c",
    "deflate.c",
    "gzclose.c",
    "gzlib.c",
    "gzread.c",
    "gzwrite.c",
    "inflate.c",
    "infback.c",
    "inftrees.c",
    "inffast.c",
    "trees.c",
    "uncompr.c",
    "zutil.c",
};