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Adapt build.zig to redesigned raylib build features config system (#5645)

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Wertual08
2026-03-13 20:53:11 +03:00
committed by GitHub
parent 70cb8d15e0
commit 4b9d802d4e
1 changed files with 32 additions and 75 deletions
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107
build.zig
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@@ -90,41 +90,7 @@ fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend
}
}
/// 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.containsAtLeast(u8, line, 1, "MODULE")) continue;
if (std.mem.startsWith(u8, line, "//")) continue;
if (std.mem.startsWith(u8, line, "#if")) continue;
var flag = std.mem.trimStart(u8, line, " \t"); // Trim whitespace
flag = flag["#define ".len - 1 ..]; // Remove #define
flag = std.mem.trimStart(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 {
var raylib_flags_arr: std.ArrayList([]const u8) = .empty;
defer raylib_flags_arr.deinit(b.allocator);
const raylib = b.addLibrary(.{
.name = "raylib",
.linkage = options.linkage,
@@ -135,29 +101,27 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
}),
});
try raylib_flags_arr.appendSlice(
raylib.root_module.addCMacro("_GNU_SOURCE", "");
raylib.root_module.addCMacro("GL_SILENCE_DEPRECATION", "199309L");
var raylib_flags_arr: std.ArrayList([]const u8) = .empty;
defer raylib_flags_arr.deinit(b.allocator);
try raylib_flags_arr.append(
b.allocator,
&[_][]const u8{
"-std=gnu99",
"-D_GNU_SOURCE",
"-DGL_SILENCE_DEPRECATION=199309L",
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674
},
"-std=gnu99",
);
if (options.linkage == .dynamic) {
try raylib_flags_arr.appendSlice(
try raylib_flags_arr.append(
b.allocator,
&[_][]const u8{
"-fPIC",
"-DBUILD_LIBTYPE_SHARED",
},
"-fPIC",
);
raylib.root_module.addCMacro("BUILD_LIBTYPE_SHARED", "");
}
if (options.config.len > 0) {
// Sets a flag indicating 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.
@@ -165,30 +129,9 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
var config_iter = std.mem.tokenizeScalar(u8, options.config, ' ');
// Apply config flags supplied by the user
while (config_iter.next()) |config_flag|
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
config_iter.reset();
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);
}
} else {
// Set default config if no custom config got set
try raylib_flags_arr.appendSlice(b.allocator, &config_h_flags);
}
// No GLFW required on PLATFORM_DRM
@@ -200,24 +143,38 @@ fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.
c_source_files.appendSliceAssumeCapacity(&.{"src/rcore.c"});
if (options.rshapes) {
raylib.root_module.addCMacro("SUPPORT_MODULE_RSHAPES", "1");
try c_source_files.append(b.allocator, "src/rshapes.c");
try raylib_flags_arr.append(b.allocator, "-DSUPPORT_MODULE_RSHAPES");
} else {
raylib.root_module.addCMacro("SUPPORT_MODULE_RSHAPES", "0");
}
if (options.rtextures) {
raylib.root_module.addCMacro("SUPPORT_MODULE_RTEXTURES", "1");
try c_source_files.append(b.allocator, "src/rtextures.c");
try raylib_flags_arr.append(b.allocator, "-DSUPPORT_MODULE_RTEXTURES");
} else {
raylib.root_module.addCMacro("SUPPORT_MODULE_RTEXTURES", "0");
}
if (options.rtext) {
raylib.root_module.addCMacro("SUPPORT_MODULE_RTEXT", "1");
try c_source_files.append(b.allocator, "src/rtext.c");
try raylib_flags_arr.append(b.allocator, "-DSUPPORT_MODULE_RTEXT");
} else {
raylib.root_module.addCMacro("SUPPORT_MODULE_RTEXT", "0");
}
if (options.rmodels) {
raylib.root_module.addCMacro("SUPPORT_MODULE_RMODELS", "1");
try c_source_files.append(b.allocator, "src/rmodels.c");
try raylib_flags_arr.append(b.allocator, "-DSUPPORT_MODULE_RMODELS");
} else {
raylib.root_module.addCMacro("SUPPORT_MODULE_RMODELS", "0");
}
if (options.raudio) {
raylib.root_module.addCMacro("SUPPORT_MODULE_RAUDIO", "1");
try c_source_files.append(b.allocator, "src/raudio.c");
try raylib_flags_arr.append(b.allocator, "-DSUPPORT_MODULE_RAUDIO");
} else {
raylib.root_module.addCMacro("SUPPORT_MODULE_RAUDIO", "0");
}
if (options.opengl_version != .auto) {