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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
pull/4408/head
Sage Hane 1 year ago
committed by GitHub
parent
9d0b1f0171
commit
110ee74875
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2 changed files with 428 additions and 463 deletions
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  1. +428
    -8
      build.zig
  2. +0
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      src/build.zig

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build.zig View File

@ -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);
}

+ 0
- 455
src/build.zig View File

@ -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);
}

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