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add build.zig options for individual modules #3254

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Aug 20, 2023
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add build.zig options for individual modules #3254

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58 changes: 45 additions & 13 deletions src/build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,6 @@ pub fn addRaylib(b: *std.Build, target: std.zig.CrossTarget, optimize: std.built
"-std=gnu99",
"-D_GNU_SOURCE",
"-DGL_SILENCE_DEPRECATION=199309L",
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/1891
};

const raylib = b.addStaticLibrary(.{
Expand All @@ -22,15 +21,38 @@ pub fn addRaylib(b: *std.Build, target: std.zig.CrossTarget, optimize: std.built
}

raylib.addCSourceFiles(&.{
srcdir ++ "/raudio.c",
srcdir ++ "/rcore.c",
srcdir ++ "/rmodels.c",
srcdir ++ "/rshapes.c",
srcdir ++ "/rtext.c",
srcdir ++ "/rtextures.c",
srcdir ++ "/utils.c",
}, raylib_flags);

if (options.raudio) {
raylib.addCSourceFiles(&.{
srcdir ++ "/raudio.c",
}, raylib_flags);
}
if (options.rmodels) {
raylib.addCSourceFiles(&.{
srcdir ++ "/rmodels.c",
}, &[_][]const u8{
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/1891
} ++ raylib_flags);
}
if (options.rshapes) {
raylib.addCSourceFiles(&.{
srcdir ++ "/rshapes.c",
}, raylib_flags);
}
if (options.rtext) {
raylib.addCSourceFiles(&.{
srcdir ++ "/rtext.c",
}, raylib_flags);
}
if (options.rtextures) {
raylib.addCSourceFiles(&.{
srcdir ++ "/rtextures.c",
}, raylib_flags);
}

var gen_step = std.build.Step.WriteFile.create(b);
raylib.step.dependOn(&gen_step.step);

Expand Down Expand Up @@ -137,6 +159,11 @@ pub fn addRaylib(b: *std.Build, target: std.zig.CrossTarget, optimize: std.built
}

pub const Options = struct {
raudio: bool = true,
rmodels: bool = true,
rshapes: bool = true,
rtext: bool = true,
rtextures: bool = true,
raygui: bool = false,
platform_drm: bool = false,
};
Expand All @@ -152,19 +179,24 @@ pub fn build(b: *std.Build) void {
// set a preferred release mode, allowing the user to decide how to optimize.
const optimize = b.standardOptimizeOption(.{});

const raygui = b.option(bool, "raygui", "Compile with raygui support");
const platform_drm = b.option(bool, "platform_drm", "Compile raylib in native mode (no X11)");
const defaults = Options{};
const options = Options{
.platform_drm = b.option(bool, "platform_drm", "Compile raylib in native mode (no X11)") orelse defaults.platform_drm,
.raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio,
.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,
.raygui = b.option(bool, "raygui", "Compile with raygui support") orelse defaults.raygui,
};

const lib = addRaylib(b, target, optimize, .{
.raygui = raygui orelse false,
.platform_drm = platform_drm orelse false,
});
const lib = addRaylib(b, target, optimize, options);

lib.installHeader("src/raylib.h", "raylib.h");
lib.installHeader("src/raymath.h", "raymath.h");
lib.installHeader("src/rlgl.h", "rlgl.h");

if (raygui orelse false) {
if (options.raygui) {
lib.installHeader("../raygui/src/raygui.h", "raygui.h");
}

Expand Down