build.zig

const std = @import("std");

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

    const lib = b.addStaticLibrary(.{
        .name = "gpiod",
        .target = target,
        .optimize = optimize,
    });
    lib.linkLibC();

    lib.root_module.addCMacro("GPIOD_VERSION_STR", "\"2.2\"");

    const upstream = b.dependency("upstream", .{});
    lib.addIncludePath(upstream.path("include"));
    lib.addIncludePath(upstream.path("lib"));
    lib.addCSourceFiles(.{
        .root = upstream.path("lib"),
        .files = &.{
            "chip.c",
            "chip-info.c",
            "edge-event.c",
            "info-event.c",
            "internal.c",
            "line-config.c",
            "line-info.c",
            "line-request.c",
            "line-settings.c",
            "misc.c",
            "request-config.c",
        },
        .flags = &.{
            "-std=gnu89",
        },
    });

    lib.installHeader(upstream.path("include/gpiod.h"), "gpiod.h");

    b.installArtifact(lib);
}