build.zig

const std = @import("std");
const zon = @import("build.zig.zon");

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

    const options = b.addOptions();
    options.addOption([]const u8, "name", @tagName(zon.name));
    options.addOption([]const u8, "version", zon.version);

    const libnvml = b.dependency("nvml", .{});
    const t_nvml = b.addTranslateC(.{
        .root_source_file = libnvml.path("include/nvml.h"),
        .target = target,
        .optimize = optimize,
    });
    const nvml_mod = t_nvml.createModule();

    const exe = b.addExecutable(.{
        .name = "nvuv",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
            .imports = &.{
                .{ .name = "nvml", .module = nvml_mod },
            },
            .link_libc = true,
        }),
    });

    // static linking to nvml
    exe.root_module.addObjectFile(libnvml.path("lib/stubs/libnvidia-ml.a"));

    exe.root_module.addOptions("buildmeta", options);

    const clap = b.dependency("clap", .{
        .target = target,
        .optimize = optimize,
    });
    exe.root_module.addImport("clap", clap.module("clap"));

    const toml = b.dependency("toml", .{
        .target = target,
        .optimize = optimize,
    });
    exe.root_module.addImport("toml", toml.module("toml"));

    b.installArtifact(exe);

    const run_step = b.step("run", "Run the app");

    const run_cmd = b.addRunArtifact(exe);
    run_step.dependOn(&run_cmd.step);

    run_cmd.step.dependOn(b.getInstallStep());

    run_cmd.addPassthruArgs();

    const exe_tests = b.addTest(.{
        .root_module = exe.root_module,
    });

    const run_exe_tests = b.addRunArtifact(exe_tests);

    const test_step = b.step("test", "Run tests");
    test_step.dependOn(&run_exe_tests.step);
}