build.zig: Merge `src/build.zig` to `build.zig` (#4393)

* build.zig: Move `src/build.zig` to `build.zig`

* build.zig: Remove uses of `@src`

* build.zig: Update entry point

build.zig

@@ -1,14 +1,434 @@
 const std = @import("std");
-const raylib = @import("src/build.zig");
+const builtin = @import("builtin");
+
+/// Minimum supported version of Zig
+const min_ver = "0.12.0";
+
+comptime {
+    const order = std.SemanticVersion.order;
+    const parse = std.SemanticVersion.parse;
+    if (order(builtin.zig_version, parse(min_ver) catch unreachable) == .lt)
+        @compileError("Raylib requires zig version " ++ min_ver);
+}
+
+// NOTE(freakmangd): I don't like using a global here, but it prevents having to
+// get the flags a second time when adding raygui
+var raylib_flags_arr: std.ArrayListUnmanaged([]const u8) = .{};
+
+// This has been tested with zig version 0.12.0
+pub fn addRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
+    const raylib_dep = b.dependencyFromBuildZig(@This(), .{
+        .target = target,
+        .optimize = optimize,
+        .raudio = options.raudio,
+        .rmodels = options.rmodels,
+        .rshapes = options.rshapes,
+        .rtext = options.rtext,
+        .rtextures = options.rtextures,
+        .platform = options.platform,
+        .shared = options.shared,
+        .linux_display_backend = options.linux_display_backend,
+        .opengl_version = options.opengl_version,
+        .config = options.config,
+    });
+    const raylib = raylib_dep.artifact("raylib");
+
+    if (options.raygui) {
+        const raygui_dep = b.dependency(options.raygui_dependency_name, .{});
+        addRaygui(b, raylib, raygui_dep);
+    }
+
+    return raylib;
+}
+
+fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend) void {
+    raylib.defineCMacro("PLATFORM_DESKTOP", null);
+
+    switch (platform) {
+        .glfw => raylib.defineCMacro("PLATFORM_DESKTOP_GLFW", null),
+        .rgfw => raylib.defineCMacro("PLATFORM_DESKTOP_RGFW", null),
+        .sdl => raylib.defineCMacro("PLATFORM_DESKTOP_SDL", null),
+        else => {},
+    }
+}
+
+/// A list of all flags from `src/config.h` that one may override
+const config_h_flags = outer: {
+    // Set this value higher if compile errors happen as `src/config.h` gets larger
+    @setEvalBranchQuota(1 << 20);
+
+    const config_h = @embedFile("src/config.h");
+    var flags: [std.mem.count(u8, config_h, "\n") + 1][]const u8 = undefined;
+
+    var i = 0;
+    var lines = std.mem.tokenizeScalar(u8, config_h, '\n');
+    while (lines.next()) |line| {
+        if (!std.mem.containsAtLeast(u8, line, 1, "SUPPORT")) continue;
+        if (std.mem.startsWith(u8, line, "//")) continue;
+        if (std.mem.startsWith(u8, line, "#if")) continue;
+
+        var flag = std.mem.trimLeft(u8, line, " \t"); // Trim whitespace
+        flag = flag["#define ".len - 1 ..]; // Remove #define
+        flag = std.mem.trimLeft(u8, flag, " \t"); // Trim whitespace
+        flag = flag[0 .. std.mem.indexOf(u8, flag, " ") orelse continue]; // Flag is only one word, so capture till space
+        flag = "-D" ++ flag; // Prepend with -D
+
+        flags[i] = flag;
+        i += 1;
+    }
+
+    // Uncomment this to check what flags normally get passed
+    //@compileLog(flags[0..i].*);
+    break :outer flags[0..i].*;
+};
+
+fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
+    raylib_flags_arr.clearRetainingCapacity();
+
+    const shared_flags = &[_][]const u8{
+        "-fPIC",
+        "-DBUILD_LIBTYPE_SHARED",
+    };
+    try raylib_flags_arr.appendSlice(b.allocator, &[_][]const u8{
+        "-std=gnu99",
+        "-D_GNU_SOURCE",
+        "-DGL_SILENCE_DEPRECATION=199309L",
+        "-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
+    });
+    if (options.config.len > 0) {
+        // Sets a flag indiciating the use of a custom `config.h`
+        try raylib_flags_arr.append(b.allocator, "-DEXTERNAL_CONFIG_FLAGS");
+
+        // Splits a space-separated list of config flags into multiple flags
+        //
+        // Note: This means certain flags like `-x c++` won't be processed properly.
+        // `-xc++` or similar should be used when possible
+        var config_iter = std.mem.tokenizeScalar(u8, options.config, ' ');
+
+        // Apply config flags supplied by the user
+        while (config_iter.next()) |config_flag|
+            try raylib_flags_arr.append(b.allocator, config_flag);
+
+        // Apply all relevant configs from `src/config.h` *except* the user-specified ones
+        //
+        // Note: Currently using a suboptimal `O(m*n)` time algorithm where:
+        // `m` corresponds roughly to the number of lines in `src/config.h`
+        // `n` corresponds to the number of user-specified flags
+        outer: for (config_h_flags) |flag| {
+            // If a user already specified the flag, skip it
+            while (config_iter.next()) |config_flag| {
+                // For a user-specified flag to match, it must share the same prefix and have the
+                // same length or be followed by an equals sign
+                if (!std.mem.startsWith(u8, config_flag, flag)) continue;
+                if (config_flag.len == flag.len or config_flag[flag.len] == '=') continue :outer;
+            }
+
+            // Otherwise, append default value from config.h to compile flags
+            try raylib_flags_arr.append(b.allocator, flag);
+        }
+    }
+
+    if (options.shared) {
+        try raylib_flags_arr.appendSlice(b.allocator, shared_flags);
+    }
+
+    const raylib = if (options.shared)
+        b.addSharedLibrary(.{
+            .name = "raylib",
+            .target = target,
+            .optimize = optimize,
+        })
+    else
+        b.addStaticLibrary(.{
+            .name = "raylib",
+            .target = target,
+            .optimize = optimize,
+        });
+    raylib.linkLibC();
+
+    // No GLFW required on PLATFORM_DRM
+    if (options.platform != .drm) {
+        raylib.addIncludePath(b.path("src/external/glfw/include"));
+    }
+
+    var c_source_files = try std.ArrayList([]const u8).initCapacity(b.allocator, 2);
+    c_source_files.appendSliceAssumeCapacity(&.{ "src/rcore.c", "src/utils.c" });
+
+    if (options.raudio) {
+        try c_source_files.append("src/raudio.c");
+    }
+    if (options.rmodels) {
+        try c_source_files.append("src/rmodels.c");
+    }
+    if (options.rshapes) {
+        try c_source_files.append("src/rshapes.c");
+    }
+    if (options.rtext) {
+        try c_source_files.append("src/rtext.c");
+    }
+    if (options.rtextures) {
+        try c_source_files.append("src/rtextures.c");
+    }
+
+    if (options.opengl_version != .auto) {
+        raylib.defineCMacro(options.opengl_version.toCMacroStr(), null);
+    }
+
+    switch (target.result.os.tag) {
+        .windows => {
+            try c_source_files.append("src/rglfw.c");
+            raylib.linkSystemLibrary("winmm");
+            raylib.linkSystemLibrary("gdi32");
+            raylib.linkSystemLibrary("opengl32");
+
+            setDesktopPlatform(raylib, options.platform);
+        },
+        .linux => {
+            if (options.platform != .drm) {
+                try c_source_files.append("src/rglfw.c");
+                raylib.linkSystemLibrary("GL");
+                raylib.linkSystemLibrary("rt");
+                raylib.linkSystemLibrary("dl");
+                raylib.linkSystemLibrary("m");
+
+                raylib.addLibraryPath(.{ .cwd_relative = "/usr/lib" });
+                raylib.addIncludePath(.{ .cwd_relative = "/usr/include" });
+                if (options.linux_display_backend == .X11 or options.linux_display_backend == .Both) {
+                    raylib.defineCMacro("_GLFW_X11", null);
+                    raylib.linkSystemLibrary("X11");
+                }
+
+                if (options.linux_display_backend == .Wayland or options.linux_display_backend == .Both) {
+                    _ = b.findProgram(&.{"wayland-scanner"}, &.{}) catch {
+                        std.log.err(
+                            \\ `wayland-scanner` may not be installed on the system.
+                            \\ You can switch to X11 in your `build.zig` by changing `Options.linux_display_backend`
+                        , .{});
+                        @panic("`wayland-scanner` not found");
+                    };
+                    raylib.defineCMacro("_GLFW_WAYLAND", null);
+                    raylib.linkSystemLibrary("wayland-client");
+                    raylib.linkSystemLibrary("wayland-cursor");
+                    raylib.linkSystemLibrary("wayland-egl");
+                    raylib.linkSystemLibrary("xkbcommon");
+                    waylandGenerate(b, raylib, "wayland.xml", "wayland-client-protocol");
+                    waylandGenerate(b, raylib, "xdg-shell.xml", "xdg-shell-client-protocol");
+                    waylandGenerate(b, raylib, "xdg-decoration-unstable-v1.xml", "xdg-decoration-unstable-v1-client-protocol");
+                    waylandGenerate(b, raylib, "viewporter.xml", "viewporter-client-protocol");
+                    waylandGenerate(b, raylib, "relative-pointer-unstable-v1.xml", "relative-pointer-unstable-v1-client-protocol");
+                    waylandGenerate(b, raylib, "pointer-constraints-unstable-v1.xml", "pointer-constraints-unstable-v1-client-protocol");
+                    waylandGenerate(b, raylib, "fractional-scale-v1.xml", "fractional-scale-v1-client-protocol");
+                    waylandGenerate(b, raylib, "xdg-activation-v1.xml", "xdg-activation-v1-client-protocol");
+                    waylandGenerate(b, raylib, "idle-inhibit-unstable-v1.xml", "idle-inhibit-unstable-v1-client-protocol");
+                }
+                setDesktopPlatform(raylib, options.platform);
+            } else {
+                if (options.opengl_version == .auto) {
+                    raylib.linkSystemLibrary("GLESv2");
+                    raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
+                }
+
+                raylib.linkSystemLibrary("EGL");
+                raylib.linkSystemLibrary("drm");
+                raylib.linkSystemLibrary("gbm");
+                raylib.linkSystemLibrary("pthread");
+                raylib.linkSystemLibrary("rt");
+                raylib.linkSystemLibrary("m");
+                raylib.linkSystemLibrary("dl");
+                raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" });
+
+                raylib.defineCMacro("PLATFORM_DRM", null);
+                raylib.defineCMacro("EGL_NO_X11", null);
+                raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048");
+            }
+        },
+        .freebsd, .openbsd, .netbsd, .dragonfly => {
+            try c_source_files.append("rglfw.c");
+            raylib.linkSystemLibrary("GL");
+            raylib.linkSystemLibrary("rt");
+            raylib.linkSystemLibrary("dl");
+            raylib.linkSystemLibrary("m");
+            raylib.linkSystemLibrary("X11");
+            raylib.linkSystemLibrary("Xrandr");
+            raylib.linkSystemLibrary("Xinerama");
+            raylib.linkSystemLibrary("Xi");
+            raylib.linkSystemLibrary("Xxf86vm");
+            raylib.linkSystemLibrary("Xcursor");
+
+            setDesktopPlatform(raylib, options.platform);
+        },
+        .macos => {
+            // On macos rglfw.c include Objective-C files.
+            try raylib_flags_arr.append(b.allocator, "-ObjC");
+            raylib.root_module.addCSourceFile(.{
+                .file = b.path("src/rglfw.c"),
+                .flags = raylib_flags_arr.items,
+            });
+            _ = raylib_flags_arr.pop();
+            raylib.linkFramework("Foundation");
+            raylib.linkFramework("CoreServices");
+            raylib.linkFramework("CoreGraphics");
+            raylib.linkFramework("AppKit");
+            raylib.linkFramework("IOKit");
+
+            setDesktopPlatform(raylib, options.platform);
+        },
+        .emscripten => {
+            raylib.defineCMacro("PLATFORM_WEB", null);
+            if (options.opengl_version == .auto) {
+                raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
+            }
+
+            if (b.sysroot == null) {
+                @panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'");
+            }
+
+            const cache_include = b.pathJoin(&.{ b.sysroot.?, "cache", "sysroot", "include" });
+
+            var dir = std.fs.openDirAbsolute(cache_include, std.fs.Dir.OpenDirOptions{ .access_sub_paths = true, .no_follow = true }) catch @panic("No emscripten cache. Generate it!");
+            dir.close();
+            raylib.addIncludePath(.{ .cwd_relative = cache_include });
+        },
+        else => {
+            @panic("Unsupported OS");
+        },
+    }
+
+    raylib.root_module.addCSourceFiles(.{
+        .files = c_source_files.items,
+        .flags = raylib_flags_arr.items,
+    });
+
+    return raylib;
+}
+
+/// This function does not need to be called if you passed .raygui = true to addRaylib
+pub fn addRaygui(b: *std.Build, raylib: *std.Build.Step.Compile, raygui_dep: *std.Build.Dependency) void {
+    if (raylib_flags_arr.items.len == 0) {
+        @panic(
+            \\argument 2 `raylib` in `addRaygui` must come from b.dependency("raylib", ...).artifact("raylib")
+        );
+    }
+
+    var gen_step = b.addWriteFiles();
+    raylib.step.dependOn(&gen_step.step);
+
+    const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n");
+    raylib.addCSourceFile(.{ .file = raygui_c_path, .flags = raylib_flags_arr.items });
+    raylib.addIncludePath(raygui_dep.path("src"));
+
+    raylib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h");
+}
+
+pub const Options = struct {
+    raudio: bool = true,
+    rmodels: bool = true,
+    rshapes: bool = true,
+    rtext: bool = true,
+    rtextures: bool = true,
+    raygui: bool = false,
+    platform: PlatformBackend = .glfw,
+    shared: bool = false,
+    linux_display_backend: LinuxDisplayBackend = .Both,
+    opengl_version: OpenglVersion = .auto,
+    /// config should be a list of space-separated cflags, eg, "-DSUPPORT_CUSTOM_FRAME_CONTROL"
+    config: []const u8 = &.{},
+
+    raygui_dependency_name: []const u8 = "raygui",
+
+    const defaults = Options{};
+
+    fn getOptions(b: *std.Build) Options {
+        return .{
+            .platform = b.option(PlatformBackend, "platform", "Choose the platform backedn for desktop target") orelse defaults.platform,
+            .raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio,
+            .raygui = b.option(bool, "raygui", "Compile with raygui support") orelse defaults.raygui,
+            .rmodels = b.option(bool, "rmodels", "Compile with models support") orelse defaults.rmodels,
+            .rtext = b.option(bool, "rtext", "Compile with text support") orelse defaults.rtext,
+            .rtextures = b.option(bool, "rtextures", "Compile with textures support") orelse defaults.rtextures,
+            .rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes,
+            .shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared,
+            .linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend,
+            .opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version,
+            .config = b.option([]const u8, "config", "Compile with custom define macros overriding config.h") orelse &.{},
+        };
+    }
+};
+
+pub const OpenglVersion = enum {
+    auto,
+    gl_1_1,
+    gl_2_1,
+    gl_3_3,
+    gl_4_3,
+    gles_2,
+    gles_3,
+
+    pub fn toCMacroStr(self: @This()) []const u8 {
+        switch (self) {
+            .auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"),
+            .gl_1_1 => return "GRAPHICS_API_OPENGL_11",
+            .gl_2_1 => return "GRAPHICS_API_OPENGL_21",
+            .gl_3_3 => return "GRAPHICS_API_OPENGL_33",
+            .gl_4_3 => return "GRAPHICS_API_OPENGL_43",
+            .gles_2 => return "GRAPHICS_API_OPENGL_ES2",
+            .gles_3 => return "GRAPHICS_API_OPENGL_ES3",
+        }
+    }
+};
+
+pub const LinuxDisplayBackend = enum {
+    X11,
+    Wayland,
+    Both,
+};
+
+pub const PlatformBackend = enum {
+    glfw,
+    rgfw,
+    sdl,
+    drm,
+};
 
-// This has been tested to work with zig 0.12.0
 pub fn build(b: *std.Build) !void {
-    try raylib.build(b);
+    // Standard target options allows the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+    // Standard optimization options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
+    // set a preferred release mode, allowing the user to decide how to optimize.
+    const optimize = b.standardOptimizeOption(.{});
+
+    const lib = try compileRaylib(b, target, optimize, Options.getOptions(b));
+
+    lib.installHeader(b.path("src/raylib.h"), "raylib.h");
+    lib.installHeader(b.path("src/raymath.h"), "raymath.h");
+    lib.installHeader(b.path("src/rlgl.h"), "rlgl.h");
+
+    b.installArtifact(lib);
 }
 
-// expose helper functions to user's build.zig
-pub const addRaylib = raylib.addRaylib;
-pub const addRaygui = raylib.addRaygui;
+fn waylandGenerate(
+    b: *std.Build,
+    raylib: *std.Build.Step.Compile,
+    comptime protocol: []const u8,
+    comptime basename: []const u8,
+) void {
+    const waylandDir = "src/external/glfw/deps/wayland";
+    const protocolDir = b.pathJoin(&.{ waylandDir, protocol });
+    const clientHeader = basename ++ ".h";
+    const privateCode = basename ++ "-code.h";
 
-// expose options for compiling
-pub const RaylibOptions = raylib.Options;
+    const client_step = b.addSystemCommand(&.{ "wayland-scanner", "client-header" });
+    client_step.addFileArg(b.path(protocolDir));
+    raylib.addIncludePath(client_step.addOutputFileArg(clientHeader).dirname());
+
+    const private_step = b.addSystemCommand(&.{ "wayland-scanner", "private-code" });
+    private_step.addFileArg(b.path(protocolDir));
+    raylib.addIncludePath(private_step.addOutputFileArg(privateCode).dirname());
+
+    raylib.step.dependOn(&client_step.step);
+    raylib.step.dependOn(&private_step.step);
+}

src/build.zig

@@ -1,455 +0,0 @@
-const std = @import("std");
-const builtin = @import("builtin");
-
-/// Minimum supported version of Zig
-const min_ver = "0.12.0";
-
-comptime {
-    const order = std.SemanticVersion.order;
-    const parse = std.SemanticVersion.parse;
-    if (order(builtin.zig_version, parse(min_ver) catch unreachable) == .lt)
-        @compileError("Raylib requires zig version " ++ min_ver);
-}
-
-// NOTE(freakmangd): I don't like using a global here, but it prevents having to
-// get the flags a second time when adding raygui
-var raylib_flags_arr: std.ArrayListUnmanaged([]const u8) = .{};
-
-/// we're not inside the actual build script recognized by the
-/// zig build system; use this type where one would otherwise
-/// use `@This()` when inside the actual entrypoint file.
-const BuildScript = @import("../build.zig");
-
-// This has been tested with zig version 0.12.0
-pub fn addRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
-    const raylib_dep = b.dependencyFromBuildZig(BuildScript, .{
-        .target = target,
-        .optimize = optimize,
-        .raudio = options.raudio,
-        .rmodels = options.rmodels,
-        .rshapes = options.rshapes,
-        .rtext = options.rtext,
-        .rtextures = options.rtextures,
-        .platform = options.platform,
-        .shared = options.shared,
-        .linux_display_backend = options.linux_display_backend,
-        .opengl_version = options.opengl_version,
-        .config = options.config,
-    });
-    const raylib = raylib_dep.artifact("raylib");
-
-    if (options.raygui) {
-        const raygui_dep = b.dependency(options.raygui_dependency_name, .{});
-        addRaygui(b, raylib, raygui_dep);
-    }
-
-    return raylib;
-}
-
-fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend) void {
-    raylib.defineCMacro("PLATFORM_DESKTOP", null);
-
-    switch (platform) {
-        .glfw => raylib.defineCMacro("PLATFORM_DESKTOP_GLFW", null),
-        .rgfw => raylib.defineCMacro("PLATFORM_DESKTOP_RGFW", null),
-        .sdl => raylib.defineCMacro("PLATFORM_DESKTOP_SDL", null),
-        else => {},
-    }
-}
-
-/// TODO: Once the minimum supported version is bumped to 0.14.0, it can be simplified again:
-/// https://github.com/raysan5/raylib/pull/4375#issuecomment-2408998315
-/// https://github.com/raysan5/raylib/blob/9b9c72eb0dc705cde194b053a366a40396acfb67/src/build.zig#L54-L56
-fn srcDir(b: *std.Build) []const u8 {
-    comptime {
-        const order = std.SemanticVersion.order;
-        const parse = std.SemanticVersion.parse;
-        if (order(parse(min_ver) catch unreachable, parse("0.14.0") catch unreachable) != .lt)
-            @compileError("Please take a look at this function again");
-    }
-
-    const src_file = std.fs.path.relative(b.allocator, ".", @src().file) catch @panic("OOM");
-    return std.fs.path.dirname(src_file) orelse ".";
-}
-
-/// A list of all flags from `src/config.h` that one may override
-const config_h_flags = outer: {
-    // Set this value higher if compile errors happen as `src/config.h` gets larger
-    @setEvalBranchQuota(1 << 20);
-
-    const config_h = @embedFile("config.h");
-    var flags: [std.mem.count(u8, config_h, "\n") + 1][]const u8 = undefined;
-
-    var i = 0;
-    var lines = std.mem.tokenizeScalar(u8, config_h, '\n');
-    while (lines.next()) |line| {
-        if (!std.mem.containsAtLeast(u8, line, 1, "SUPPORT")) continue;
-        if (std.mem.startsWith(u8, line, "//")) continue;
-        if (std.mem.startsWith(u8, line, "#if")) continue;
-
-        var flag = std.mem.trimLeft(u8, line, " \t"); // Trim whitespace
-        flag = flag["#define ".len - 1 ..]; // Remove #define
-        flag = std.mem.trimLeft(u8, flag, " \t"); // Trim whitespace
-        flag = flag[0 .. std.mem.indexOf(u8, flag, " ") orelse continue]; // Flag is only one word, so capture till space
-        flag = "-D" ++ flag; // Prepend with -D
-
-        flags[i] = flag;
-        i += 1;
-    }
-
-    // Uncomment this to check what flags normally get passed
-    //@compileLog(flags[0..i].*);
-    break :outer flags[0..i].*;
-};
-
-fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
-    raylib_flags_arr.clearRetainingCapacity();
-
-    const shared_flags = &[_][]const u8{
-        "-fPIC",
-        "-DBUILD_LIBTYPE_SHARED",
-    };
-    try raylib_flags_arr.appendSlice(b.allocator, &[_][]const u8{
-        "-std=gnu99",
-        "-D_GNU_SOURCE",
-        "-DGL_SILENCE_DEPRECATION=199309L",
-        "-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
-    });
-    if (options.config.len > 0) {
-        // Sets a flag indiciating the use of a custom `config.h`
-        try raylib_flags_arr.append(b.allocator, "-DEXTERNAL_CONFIG_FLAGS");
-
-        // Splits a space-separated list of config flags into multiple flags
-        //
-        // Note: This means certain flags like `-x c++` won't be processed properly.
-        // `-xc++` or similar should be used when possible
-        var config_iter = std.mem.tokenizeScalar(u8, options.config, ' ');
-
-        // Apply config flags supplied by the user
-        while (config_iter.next()) |config_flag|
-            try raylib_flags_arr.append(b.allocator, config_flag);
-
-        // Apply all relevant configs from `src/config.h` *except* the user-specified ones
-        //
-        // Note: Currently using a suboptimal `O(m*n)` time algorithm where:
-        // `m` corresponds roughly to the number of lines in `src/config.h`
-        // `n` corresponds to the number of user-specified flags
-        outer: for (config_h_flags) |flag| {
-            // If a user already specified the flag, skip it
-            while (config_iter.next()) |config_flag| {
-                // For a user-specified flag to match, it must share the same prefix and have the
-                // same length or be followed by an equals sign
-                if (!std.mem.startsWith(u8, config_flag, flag)) continue;
-                if (config_flag.len == flag.len or config_flag[flag.len] == '=') continue :outer;
-            }
-
-            // Otherwise, append default value from config.h to compile flags
-            try raylib_flags_arr.append(b.allocator, flag);
-        }
-    }
-
-    if (options.shared) {
-        try raylib_flags_arr.appendSlice(b.allocator, shared_flags);
-    }
-
-    const raylib = if (options.shared)
-        b.addSharedLibrary(.{
-            .name = "raylib",
-            .target = target,
-            .optimize = optimize,
-        })
-    else
-        b.addStaticLibrary(.{
-            .name = "raylib",
-            .target = target,
-            .optimize = optimize,
-        });
-    raylib.linkLibC();
-
-    // No GLFW required on PLATFORM_DRM
-    if (options.platform != .drm) {
-        raylib.addIncludePath(b.path(b.pathJoin(&.{ srcDir(b), "external/glfw/include" })));
-    }
-
-    var c_source_files = try std.ArrayList([]const u8).initCapacity(b.allocator, 2);
-    c_source_files.appendSliceAssumeCapacity(&.{ "rcore.c", "utils.c" });
-
-    if (options.raudio) {
-        try c_source_files.append("raudio.c");
-    }
-    if (options.rmodels) {
-        try c_source_files.append("rmodels.c");
-    }
-    if (options.rshapes) {
-        try c_source_files.append("rshapes.c");
-    }
-    if (options.rtext) {
-        try c_source_files.append("rtext.c");
-    }
-    if (options.rtextures) {
-        try c_source_files.append("rtextures.c");
-    }
-
-    if (options.opengl_version != .auto) {
-        raylib.defineCMacro(options.opengl_version.toCMacroStr(), null);
-    }
-
-    switch (target.result.os.tag) {
-        .windows => {
-            try c_source_files.append("rglfw.c");
-            raylib.linkSystemLibrary("winmm");
-            raylib.linkSystemLibrary("gdi32");
-            raylib.linkSystemLibrary("opengl32");
-
-            setDesktopPlatform(raylib, options.platform);
-        },
-        .linux => {
-            if (options.platform != .drm) {
-                try c_source_files.append("rglfw.c");
-                raylib.linkSystemLibrary("GL");
-                raylib.linkSystemLibrary("rt");
-                raylib.linkSystemLibrary("dl");
-                raylib.linkSystemLibrary("m");
-
-                raylib.addLibraryPath(.{ .cwd_relative = "/usr/lib" });
-                raylib.addIncludePath(.{ .cwd_relative = "/usr/include" });
-                if (options.linux_display_backend == .X11 or options.linux_display_backend == .Both) {
-                    raylib.defineCMacro("_GLFW_X11", null);
-                    raylib.linkSystemLibrary("X11");
-                }
-
-                if (options.linux_display_backend == .Wayland or options.linux_display_backend == .Both) {
-                    _ = b.findProgram(&.{"wayland-scanner"}, &.{}) catch {
-                        std.log.err(
-                            \\ `wayland-scanner` may not be installed on the system.
-                            \\ You can switch to X11 in your `build.zig` by changing `Options.linux_display_backend`
-                        , .{});
-                        @panic("`wayland-scanner` not found");
-                    };
-                    raylib.defineCMacro("_GLFW_WAYLAND", null);
-                    raylib.linkSystemLibrary("wayland-client");
-                    raylib.linkSystemLibrary("wayland-cursor");
-                    raylib.linkSystemLibrary("wayland-egl");
-                    raylib.linkSystemLibrary("xkbcommon");
-                    waylandGenerate(b, raylib, "wayland.xml", "wayland-client-protocol");
-                    waylandGenerate(b, raylib, "xdg-shell.xml", "xdg-shell-client-protocol");
-                    waylandGenerate(b, raylib, "xdg-decoration-unstable-v1.xml", "xdg-decoration-unstable-v1-client-protocol");
-                    waylandGenerate(b, raylib, "viewporter.xml", "viewporter-client-protocol");
-                    waylandGenerate(b, raylib, "relative-pointer-unstable-v1.xml", "relative-pointer-unstable-v1-client-protocol");
-                    waylandGenerate(b, raylib, "pointer-constraints-unstable-v1.xml", "pointer-constraints-unstable-v1-client-protocol");
-                    waylandGenerate(b, raylib, "fractional-scale-v1.xml", "fractional-scale-v1-client-protocol");
-                    waylandGenerate(b, raylib, "xdg-activation-v1.xml", "xdg-activation-v1-client-protocol");
-                    waylandGenerate(b, raylib, "idle-inhibit-unstable-v1.xml", "idle-inhibit-unstable-v1-client-protocol");
-                }
-                setDesktopPlatform(raylib, options.platform);
-            } else {
-                if (options.opengl_version == .auto) {
-                    raylib.linkSystemLibrary("GLESv2");
-                    raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
-                }
-
-                raylib.linkSystemLibrary("EGL");
-                raylib.linkSystemLibrary("drm");
-                raylib.linkSystemLibrary("gbm");
-                raylib.linkSystemLibrary("pthread");
-                raylib.linkSystemLibrary("rt");
-                raylib.linkSystemLibrary("m");
-                raylib.linkSystemLibrary("dl");
-                raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" });
-
-                raylib.defineCMacro("PLATFORM_DRM", null);
-                raylib.defineCMacro("EGL_NO_X11", null);
-                raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048");
-            }
-        },
-        .freebsd, .openbsd, .netbsd, .dragonfly => {
-            try c_source_files.append("rglfw.c");
-            raylib.linkSystemLibrary("GL");
-            raylib.linkSystemLibrary("rt");
-            raylib.linkSystemLibrary("dl");
-            raylib.linkSystemLibrary("m");
-            raylib.linkSystemLibrary("X11");
-            raylib.linkSystemLibrary("Xrandr");
-            raylib.linkSystemLibrary("Xinerama");
-            raylib.linkSystemLibrary("Xi");
-            raylib.linkSystemLibrary("Xxf86vm");
-            raylib.linkSystemLibrary("Xcursor");
-
-            setDesktopPlatform(raylib, options.platform);
-        },
-        .macos => {
-            // On macos rglfw.c include Objective-C files.
-            try raylib_flags_arr.append(b.allocator, "-ObjC");
-            raylib.root_module.addCSourceFile(.{
-                .file = b.path(b.pathJoin(&.{ srcDir(b), "rglfw.c" })),
-                .flags = raylib_flags_arr.items,
-            });
-            _ = raylib_flags_arr.pop();
-            raylib.linkFramework("Foundation");
-            raylib.linkFramework("CoreServices");
-            raylib.linkFramework("CoreGraphics");
-            raylib.linkFramework("AppKit");
-            raylib.linkFramework("IOKit");
-
-            setDesktopPlatform(raylib, options.platform);
-        },
-        .emscripten => {
-            raylib.defineCMacro("PLATFORM_WEB", null);
-            if (options.opengl_version == .auto) {
-                raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
-            }
-
-            if (b.sysroot == null) {
-                @panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'");
-            }
-
-            const cache_include = b.pathJoin(&.{ b.sysroot.?, "cache", "sysroot", "include" });
-
-            var dir = std.fs.openDirAbsolute(cache_include, std.fs.Dir.OpenDirOptions{ .access_sub_paths = true, .no_follow = true }) catch @panic("No emscripten cache. Generate it!");
-            dir.close();
-            raylib.addIncludePath(.{ .cwd_relative = cache_include });
-        },
-        else => {
-            @panic("Unsupported OS");
-        },
-    }
-
-    raylib.root_module.addCSourceFiles(.{
-        .root = b.path(srcDir(b)),
-        .files = c_source_files.items,
-        .flags = raylib_flags_arr.items,
-    });
-
-    return raylib;
-}
-
-/// This function does not need to be called if you passed .raygui = true to addRaylib
-pub fn addRaygui(b: *std.Build, raylib: *std.Build.Step.Compile, raygui_dep: *std.Build.Dependency) void {
-    if (raylib_flags_arr.items.len == 0) {
-        @panic(
-            \\argument 2 `raylib` in `addRaygui` must come from b.dependency("raylib", ...).artifact("raylib")
-        );
-    }
-
-    var gen_step = b.addWriteFiles();
-    raylib.step.dependOn(&gen_step.step);
-
-    const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n");
-    raylib.addCSourceFile(.{ .file = raygui_c_path, .flags = raylib_flags_arr.items });
-    raylib.addIncludePath(raygui_dep.path("src"));
-
-    raylib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h");
-}
-
-pub const Options = struct {
-    raudio: bool = true,
-    rmodels: bool = true,
-    rshapes: bool = true,
-    rtext: bool = true,
-    rtextures: bool = true,
-    raygui: bool = false,
-    platform: PlatformBackend = .glfw,
-    shared: bool = false,
-    linux_display_backend: LinuxDisplayBackend = .Both,
-    opengl_version: OpenglVersion = .auto,
-    /// config should be a list of space-separated cflags, eg, "-DSUPPORT_CUSTOM_FRAME_CONTROL"
-    config: []const u8 = &.{},
-
-    raygui_dependency_name: []const u8 = "raygui",
-
-    const defaults = Options{};
-
-    fn getOptions(b: *std.Build) Options {
-        return .{
-            .platform = b.option(PlatformBackend, "platform", "Choose the platform backedn for desktop target") orelse defaults.platform,
-            .raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio,
-            .raygui = b.option(bool, "raygui", "Compile with raygui support") orelse defaults.raygui,
-            .rmodels = b.option(bool, "rmodels", "Compile with models support") orelse defaults.rmodels,
-            .rtext = b.option(bool, "rtext", "Compile with text support") orelse defaults.rtext,
-            .rtextures = b.option(bool, "rtextures", "Compile with textures support") orelse defaults.rtextures,
-            .rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes,
-            .shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared,
-            .linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend,
-            .opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version,
-            .config = b.option([]const u8, "config", "Compile with custom define macros overriding config.h") orelse &.{},
-        };
-    }
-};
-
-pub const OpenglVersion = enum {
-    auto,
-    gl_1_1,
-    gl_2_1,
-    gl_3_3,
-    gl_4_3,
-    gles_2,
-    gles_3,
-
-    pub fn toCMacroStr(self: @This()) []const u8 {
-        switch (self) {
-            .auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"),
-            .gl_1_1 => return "GRAPHICS_API_OPENGL_11",
-            .gl_2_1 => return "GRAPHICS_API_OPENGL_21",
-            .gl_3_3 => return "GRAPHICS_API_OPENGL_33",
-            .gl_4_3 => return "GRAPHICS_API_OPENGL_43",
-            .gles_2 => return "GRAPHICS_API_OPENGL_ES2",
-            .gles_3 => return "GRAPHICS_API_OPENGL_ES3",
-        }
-    }
-};
-
-pub const LinuxDisplayBackend = enum {
-    X11,
-    Wayland,
-    Both,
-};
-
-pub const PlatformBackend = enum {
-    glfw,
-    rgfw,
-    sdl,
-    drm,
-};
-
-pub fn build(b: *std.Build) !void {
-    // Standard target options allows the person running `zig build` to choose
-    // what target to build for. Here we do not override the defaults, which
-    // means any target is allowed, and the default is native. Other options
-    // for restricting supported target set are available.
-    const target = b.standardTargetOptions(.{});
-    // Standard optimization options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
-    // set a preferred release mode, allowing the user to decide how to optimize.
-    const optimize = b.standardOptimizeOption(.{});
-
-    const lib = try compileRaylib(b, target, optimize, Options.getOptions(b));
-
-    lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "raylib.h" })), "raylib.h");
-    lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "raymath.h" })), "raymath.h");
-    lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "rlgl.h" })), "rlgl.h");
-
-    b.installArtifact(lib);
-}
-
-fn waylandGenerate(
-    b: *std.Build,
-    raylib: *std.Build.Step.Compile,
-    comptime protocol: []const u8,
-    comptime basename: []const u8,
-) void {
-    const waylandDir = b.pathJoin(&.{ srcDir(b), "external/glfw/deps/wayland" });
-    const protocolDir = b.pathJoin(&.{ waylandDir, protocol });
-    const clientHeader = basename ++ ".h";
-    const privateCode = basename ++ "-code.h";
-
-    const client_step = b.addSystemCommand(&.{ "wayland-scanner", "client-header" });
-    client_step.addFileArg(b.path(protocolDir));
-    raylib.addIncludePath(client_step.addOutputFileArg(clientHeader).dirname());
-
-    const private_step = b.addSystemCommand(&.{ "wayland-scanner", "private-code" });
-    private_step.addFileArg(b.path(protocolDir));
-    raylib.addIncludePath(private_step.addOutputFileArg(privateCode).dirname());
-
-    raylib.step.dependOn(&client_step.step);
-    raylib.step.dependOn(&private_step.step);
-}