build.zig

const std = @import("std");
const mach = @import("mach");

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

    const lib_mach = b.dependency("mach", .{
        .target = target,
        .optimize = optimize,
    });
    const mach_module = lib_mach.module("mach");

    const lib_imgui = b.dependency("zig_imgui", .{
        .target = target,
        .optimize = optimize,
    });
    const imgui_module = b.addModule("zig-imgui", .{
        .root_source_file = lib_imgui.path("src/imgui.zig"),
        .imports = &.{
            .{ .name = "mach", .module = mach_module },
        },
    });

    const exe = b.addExecutable(.{
        .name = "zhadertoy",
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });
    mach.addPaths(&exe.root_module);
    mach.link(lib_mach.builder, exe);
    exe.root_module.addImport("mach", mach_module);
    exe.root_module.addImport("imgui", imgui_module);
    exe.linkLibrary(lib_imgui.artifact("imgui"));
    exe.linkSystemLibrary("shaderc");
    exe.linkSystemLibrary("curl");
    exe.linkSystemLibrary("fswatch");

    exe.linkSystemLibrary2("ImageMagick", .{});
    exe.linkSystemLibrary2("MagickWand", .{});
    exe.linkSystemLibrary2("MagickCore", .{});
    exe.linkLibC();

    // exe.linkSystemLibrary("dawn");

    // exe.linkSystemLibrary("glslang");
    // exe.linkSystemLibrary("SPIRV");
    // exe.linkSystemLibrary("shaderc");
    // exe.linkSystemLibrary("OSDependent");

    // exe.linkLibC();
    // exe.linkLibCpp();
    // exe.linkSystemLibrary("stdc++");
    // exe.linkSystemLibrary("c++");
    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);

    // By making the run step depend on the install step, it will be run from the
    // installation directory rather than directly from within the cache directory.
    // This is not necessary, however, if the application depends on other installed
    // files, this ensures they will be present and in the expected location.
    run_cmd.step.dependOn(b.getInstallStep());

    // This allows the user to pass arguments to the application in the build
    // command itself, like this: `zig build run -- arg1 arg2 etc`
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

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

    const exe_unit_tests = b.addTest(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });
    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);

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