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
This commit is contained in:
Sage Hane
GitHub
parent
9d0b1f0171
commit
110ee74875
438
build.zig
438
build.zig
@ -1,14 +1,434 @@
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const std = @import("std");
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const raylib = @import("src/build.zig");
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const builtin = @import("builtin");
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// This has been tested to work with zig 0.12.0
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pub fn build(b: *std.Build) !void {
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try raylib.build(b);
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/// Minimum supported version of Zig
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const min_ver = "0.12.0";
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comptime {
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const order = std.SemanticVersion.order;
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const parse = std.SemanticVersion.parse;
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if (order(builtin.zig_version, parse(min_ver) catch unreachable) == .lt)
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@compileError("Raylib requires zig version " ++ min_ver);
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}
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// expose helper functions to user's build.zig
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pub const addRaylib = raylib.addRaylib;
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pub const addRaygui = raylib.addRaygui;
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// NOTE(freakmangd): I don't like using a global here, but it prevents having to
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// get the flags a second time when adding raygui
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var raylib_flags_arr: std.ArrayListUnmanaged([]const u8) = .{};
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// expose options for compiling
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pub const RaylibOptions = raylib.Options;
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// This has been tested with zig version 0.12.0
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pub fn addRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
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const raylib_dep = b.dependencyFromBuildZig(@This(), .{
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.target = target,
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.optimize = optimize,
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.raudio = options.raudio,
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.rmodels = options.rmodels,
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.rshapes = options.rshapes,
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.rtext = options.rtext,
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.rtextures = options.rtextures,
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.platform = options.platform,
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.shared = options.shared,
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.linux_display_backend = options.linux_display_backend,
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.opengl_version = options.opengl_version,
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.config = options.config,
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});
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const raylib = raylib_dep.artifact("raylib");
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if (options.raygui) {
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const raygui_dep = b.dependency(options.raygui_dependency_name, .{});
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addRaygui(b, raylib, raygui_dep);
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}
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return raylib;
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}
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fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend) void {
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raylib.defineCMacro("PLATFORM_DESKTOP", null);
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switch (platform) {
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.glfw => raylib.defineCMacro("PLATFORM_DESKTOP_GLFW", null),
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.rgfw => raylib.defineCMacro("PLATFORM_DESKTOP_RGFW", null),
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.sdl => raylib.defineCMacro("PLATFORM_DESKTOP_SDL", null),
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else => {},
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}
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}
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/// A list of all flags from `src/config.h` that one may override
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const config_h_flags = outer: {
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// Set this value higher if compile errors happen as `src/config.h` gets larger
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@setEvalBranchQuota(1 << 20);
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const config_h = @embedFile("src/config.h");
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var flags: [std.mem.count(u8, config_h, "\n") + 1][]const u8 = undefined;
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var i = 0;
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var lines = std.mem.tokenizeScalar(u8, config_h, '\n');
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while (lines.next()) |line| {
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if (!std.mem.containsAtLeast(u8, line, 1, "SUPPORT")) continue;
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if (std.mem.startsWith(u8, line, "//")) continue;
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if (std.mem.startsWith(u8, line, "#if")) continue;
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var flag = std.mem.trimLeft(u8, line, " \t"); // Trim whitespace
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flag = flag["#define ".len - 1 ..]; // Remove #define
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flag = std.mem.trimLeft(u8, flag, " \t"); // Trim whitespace
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flag = flag[0 .. std.mem.indexOf(u8, flag, " ") orelse continue]; // Flag is only one word, so capture till space
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flag = "-D" ++ flag; // Prepend with -D
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flags[i] = flag;
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i += 1;
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}
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// Uncomment this to check what flags normally get passed
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//@compileLog(flags[0..i].*);
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break :outer flags[0..i].*;
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};
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fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile {
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raylib_flags_arr.clearRetainingCapacity();
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const shared_flags = &[_][]const u8{
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"-fPIC",
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"-DBUILD_LIBTYPE_SHARED",
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};
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try raylib_flags_arr.appendSlice(b.allocator, &[_][]const u8{
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"-std=gnu99",
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"-D_GNU_SOURCE",
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"-DGL_SILENCE_DEPRECATION=199309L",
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"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
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});
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if (options.config.len > 0) {
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// Sets a flag indiciating the use of a custom `config.h`
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try raylib_flags_arr.append(b.allocator, "-DEXTERNAL_CONFIG_FLAGS");
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// Splits a space-separated list of config flags into multiple flags
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//
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// Note: This means certain flags like `-x c++` won't be processed properly.
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// `-xc++` or similar should be used when possible
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var config_iter = std.mem.tokenizeScalar(u8, options.config, ' ');
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// Apply config flags supplied by the user
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while (config_iter.next()) |config_flag|
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try raylib_flags_arr.append(b.allocator, config_flag);
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// Apply all relevant configs from `src/config.h` *except* the user-specified ones
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//
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// Note: Currently using a suboptimal `O(m*n)` time algorithm where:
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// `m` corresponds roughly to the number of lines in `src/config.h`
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// `n` corresponds to the number of user-specified flags
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outer: for (config_h_flags) |flag| {
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// If a user already specified the flag, skip it
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while (config_iter.next()) |config_flag| {
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// For a user-specified flag to match, it must share the same prefix and have the
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// same length or be followed by an equals sign
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if (!std.mem.startsWith(u8, config_flag, flag)) continue;
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if (config_flag.len == flag.len or config_flag[flag.len] == '=') continue :outer;
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}
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// Otherwise, append default value from config.h to compile flags
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try raylib_flags_arr.append(b.allocator, flag);
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}
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}
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if (options.shared) {
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try raylib_flags_arr.appendSlice(b.allocator, shared_flags);
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}
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const raylib = if (options.shared)
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b.addSharedLibrary(.{
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.name = "raylib",
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.target = target,
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.optimize = optimize,
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})
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else
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b.addStaticLibrary(.{
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.name = "raylib",
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.target = target,
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.optimize = optimize,
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});
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raylib.linkLibC();
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// No GLFW required on PLATFORM_DRM
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if (options.platform != .drm) {
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raylib.addIncludePath(b.path("src/external/glfw/include"));
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}
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var c_source_files = try std.ArrayList([]const u8).initCapacity(b.allocator, 2);
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c_source_files.appendSliceAssumeCapacity(&.{ "src/rcore.c", "src/utils.c" });
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if (options.raudio) {
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try c_source_files.append("src/raudio.c");
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}
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if (options.rmodels) {
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try c_source_files.append("src/rmodels.c");
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}
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if (options.rshapes) {
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try c_source_files.append("src/rshapes.c");
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}
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if (options.rtext) {
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try c_source_files.append("src/rtext.c");
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}
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if (options.rtextures) {
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try c_source_files.append("src/rtextures.c");
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}
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if (options.opengl_version != .auto) {
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raylib.defineCMacro(options.opengl_version.toCMacroStr(), null);
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}
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switch (target.result.os.tag) {
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.windows => {
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try c_source_files.append("src/rglfw.c");
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raylib.linkSystemLibrary("winmm");
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raylib.linkSystemLibrary("gdi32");
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raylib.linkSystemLibrary("opengl32");
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setDesktopPlatform(raylib, options.platform);
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},
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.linux => {
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if (options.platform != .drm) {
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try c_source_files.append("src/rglfw.c");
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raylib.linkSystemLibrary("GL");
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raylib.linkSystemLibrary("rt");
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raylib.linkSystemLibrary("dl");
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raylib.linkSystemLibrary("m");
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raylib.addLibraryPath(.{ .cwd_relative = "/usr/lib" });
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raylib.addIncludePath(.{ .cwd_relative = "/usr/include" });
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if (options.linux_display_backend == .X11 or options.linux_display_backend == .Both) {
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raylib.defineCMacro("_GLFW_X11", null);
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raylib.linkSystemLibrary("X11");
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}
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if (options.linux_display_backend == .Wayland or options.linux_display_backend == .Both) {
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_ = b.findProgram(&.{"wayland-scanner"}, &.{}) catch {
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std.log.err(
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\\ `wayland-scanner` may not be installed on the system.
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\\ You can switch to X11 in your `build.zig` by changing `Options.linux_display_backend`
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, .{});
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@panic("`wayland-scanner` not found");
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};
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raylib.defineCMacro("_GLFW_WAYLAND", null);
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raylib.linkSystemLibrary("wayland-client");
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raylib.linkSystemLibrary("wayland-cursor");
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raylib.linkSystemLibrary("wayland-egl");
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raylib.linkSystemLibrary("xkbcommon");
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waylandGenerate(b, raylib, "wayland.xml", "wayland-client-protocol");
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waylandGenerate(b, raylib, "xdg-shell.xml", "xdg-shell-client-protocol");
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waylandGenerate(b, raylib, "xdg-decoration-unstable-v1.xml", "xdg-decoration-unstable-v1-client-protocol");
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waylandGenerate(b, raylib, "viewporter.xml", "viewporter-client-protocol");
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waylandGenerate(b, raylib, "relative-pointer-unstable-v1.xml", "relative-pointer-unstable-v1-client-protocol");
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waylandGenerate(b, raylib, "pointer-constraints-unstable-v1.xml", "pointer-constraints-unstable-v1-client-protocol");
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waylandGenerate(b, raylib, "fractional-scale-v1.xml", "fractional-scale-v1-client-protocol");
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waylandGenerate(b, raylib, "xdg-activation-v1.xml", "xdg-activation-v1-client-protocol");
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waylandGenerate(b, raylib, "idle-inhibit-unstable-v1.xml", "idle-inhibit-unstable-v1-client-protocol");
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}
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setDesktopPlatform(raylib, options.platform);
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} else {
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if (options.opengl_version == .auto) {
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raylib.linkSystemLibrary("GLESv2");
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raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
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}
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raylib.linkSystemLibrary("EGL");
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raylib.linkSystemLibrary("drm");
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raylib.linkSystemLibrary("gbm");
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raylib.linkSystemLibrary("pthread");
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raylib.linkSystemLibrary("rt");
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raylib.linkSystemLibrary("m");
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raylib.linkSystemLibrary("dl");
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raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" });
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raylib.defineCMacro("PLATFORM_DRM", null);
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raylib.defineCMacro("EGL_NO_X11", null);
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raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048");
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}
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},
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.freebsd, .openbsd, .netbsd, .dragonfly => {
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try c_source_files.append("rglfw.c");
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raylib.linkSystemLibrary("GL");
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raylib.linkSystemLibrary("rt");
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raylib.linkSystemLibrary("dl");
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raylib.linkSystemLibrary("m");
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raylib.linkSystemLibrary("X11");
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raylib.linkSystemLibrary("Xrandr");
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raylib.linkSystemLibrary("Xinerama");
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raylib.linkSystemLibrary("Xi");
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raylib.linkSystemLibrary("Xxf86vm");
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raylib.linkSystemLibrary("Xcursor");
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setDesktopPlatform(raylib, options.platform);
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},
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.macos => {
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// On macos rglfw.c include Objective-C files.
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try raylib_flags_arr.append(b.allocator, "-ObjC");
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raylib.root_module.addCSourceFile(.{
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.file = b.path("src/rglfw.c"),
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.flags = raylib_flags_arr.items,
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});
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_ = raylib_flags_arr.pop();
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raylib.linkFramework("Foundation");
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raylib.linkFramework("CoreServices");
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raylib.linkFramework("CoreGraphics");
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raylib.linkFramework("AppKit");
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raylib.linkFramework("IOKit");
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setDesktopPlatform(raylib, options.platform);
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},
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.emscripten => {
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raylib.defineCMacro("PLATFORM_WEB", null);
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if (options.opengl_version == .auto) {
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raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
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}
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if (b.sysroot == null) {
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@panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'");
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}
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const cache_include = b.pathJoin(&.{ b.sysroot.?, "cache", "sysroot", "include" });
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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!");
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dir.close();
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raylib.addIncludePath(.{ .cwd_relative = cache_include });
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},
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else => {
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@panic("Unsupported OS");
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},
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}
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raylib.root_module.addCSourceFiles(.{
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.files = c_source_files.items,
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.flags = raylib_flags_arr.items,
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});
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return raylib;
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}
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/// This function does not need to be called if you passed .raygui = true to addRaylib
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pub fn addRaygui(b: *std.Build, raylib: *std.Build.Step.Compile, raygui_dep: *std.Build.Dependency) void {
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if (raylib_flags_arr.items.len == 0) {
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@panic(
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\\argument 2 `raylib` in `addRaygui` must come from b.dependency("raylib", ...).artifact("raylib")
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);
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}
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var gen_step = b.addWriteFiles();
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raylib.step.dependOn(&gen_step.step);
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const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n");
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raylib.addCSourceFile(.{ .file = raygui_c_path, .flags = raylib_flags_arr.items });
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raylib.addIncludePath(raygui_dep.path("src"));
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raylib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h");
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}
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pub const Options = struct {
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raudio: bool = true,
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rmodels: bool = true,
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rshapes: bool = true,
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rtext: bool = true,
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rtextures: bool = true,
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raygui: bool = false,
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platform: PlatformBackend = .glfw,
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shared: bool = false,
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linux_display_backend: LinuxDisplayBackend = .Both,
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opengl_version: OpenglVersion = .auto,
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/// config should be a list of space-separated cflags, eg, "-DSUPPORT_CUSTOM_FRAME_CONTROL"
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config: []const u8 = &.{},
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raygui_dependency_name: []const u8 = "raygui",
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const defaults = Options{};
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fn getOptions(b: *std.Build) Options {
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return .{
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.platform = b.option(PlatformBackend, "platform", "Choose the platform backedn for desktop target") orelse defaults.platform,
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.raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio,
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.raygui = b.option(bool, "raygui", "Compile with raygui support") orelse defaults.raygui,
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.rmodels = b.option(bool, "rmodels", "Compile with models support") orelse defaults.rmodels,
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.rtext = b.option(bool, "rtext", "Compile with text support") orelse defaults.rtext,
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.rtextures = b.option(bool, "rtextures", "Compile with textures support") orelse defaults.rtextures,
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.rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes,
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.shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared,
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.linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend,
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.opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version,
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.config = b.option([]const u8, "config", "Compile with custom define macros overriding config.h") orelse &.{},
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};
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}
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};
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pub const OpenglVersion = enum {
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auto,
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gl_1_1,
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gl_2_1,
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gl_3_3,
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gl_4_3,
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gles_2,
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gles_3,
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pub fn toCMacroStr(self: @This()) []const u8 {
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switch (self) {
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.auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"),
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.gl_1_1 => return "GRAPHICS_API_OPENGL_11",
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.gl_2_1 => return "GRAPHICS_API_OPENGL_21",
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.gl_3_3 => return "GRAPHICS_API_OPENGL_33",
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.gl_4_3 => return "GRAPHICS_API_OPENGL_43",
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.gles_2 => return "GRAPHICS_API_OPENGL_ES2",
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.gles_3 => return "GRAPHICS_API_OPENGL_ES3",
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}
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}
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};
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pub const LinuxDisplayBackend = enum {
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X11,
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Wayland,
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Both,
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};
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pub const PlatformBackend = enum {
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glfw,
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rgfw,
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sdl,
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drm,
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};
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pub fn build(b: *std.Build) !void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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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);
|
||||
}
|
||||
|
||||
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";
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
455
src/build.zig
455
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);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user