Simplify build.zig to not require user to specify raylib path (#2383)

We can figure out the source file location based on the location of the
build.zig file. No need to require the library user to specify where
raylib is stored.
This commit is contained in:
Komari Spaghetti 2022-03-11 19:04:24 +01:00 committed by GitHub
parent cda1324e87
commit 8065504aba
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@ -1,89 +1,81 @@
const std = @import("std");
pub fn Pkg(srcdir: []const u8) type {
return struct {
pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.LibExeObjStep {
// Standard release options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
const mode = b.standardReleaseOptions();
pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.LibExeObjStep {
// Standard release options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
const mode = b.standardReleaseOptions();
const raylib_flags = &[_][]const u8{
"-std=gnu99",
"-DPLATFORM_DESKTOP",
"-DGL_SILENCE_DEPRECATION=199309L",
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/1891
};
const raylib = b.addStaticLibrary("raylib", srcdir ++ "/raylib.h");
raylib.setTarget(target);
raylib.setBuildMode(mode);
raylib.linkLibC();
raylib.addIncludeDir(srcdir ++ "/external/glfw/include");
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);
switch (raylib.target.toTarget().os.tag) {
.windows => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
raylib.linkSystemLibrary("winmm");
raylib.linkSystemLibrary("gdi32");
raylib.linkSystemLibrary("opengl32");
raylib.addIncludeDir("external/glfw/deps/mingw");
},
.linux => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
raylib.linkSystemLibrary("GL");
raylib.linkSystemLibrary("rt");
raylib.linkSystemLibrary("dl");
raylib.linkSystemLibrary("m");
raylib.linkSystemLibrary("X11");
},
.freebsd, .openbsd, .netbsd, .dragonfly => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
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");
},
.macos => {
// On macos rglfw.c include Objective-C files.
const raylib_flags_extra_macos = &[_][]const u8{
"-ObjC",
};
raylib.addCSourceFiles(
&.{srcdir ++ "/rglfw.c"},
raylib_flags ++ raylib_flags_extra_macos,
);
raylib.linkFramework("Foundation");
},
else => {
@panic("Unsupported OS");
},
}
raylib.setOutputDir("./");
raylib.install();
return raylib;
}
const raylib_flags = &[_][]const u8{
"-std=gnu99",
"-DPLATFORM_DESKTOP",
"-DGL_SILENCE_DEPRECATION=199309L",
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/1891
};
}
const lib = Pkg(".");
const raylib = b.addStaticLibrary("raylib", srcdir ++ "/raylib.h");
raylib.setTarget(target);
raylib.setBuildMode(mode);
raylib.linkLibC();
raylib.addIncludeDir(srcdir ++ "/external/glfw/include");
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);
switch (raylib.target.toTarget().os.tag) {
.windows => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
raylib.linkSystemLibrary("winmm");
raylib.linkSystemLibrary("gdi32");
raylib.linkSystemLibrary("opengl32");
raylib.addIncludeDir("external/glfw/deps/mingw");
},
.linux => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
raylib.linkSystemLibrary("GL");
raylib.linkSystemLibrary("rt");
raylib.linkSystemLibrary("dl");
raylib.linkSystemLibrary("m");
raylib.linkSystemLibrary("X11");
},
.freebsd, .openbsd, .netbsd, .dragonfly => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
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");
},
.macos => {
// On macos rglfw.c include Objective-C files.
const raylib_flags_extra_macos = &[_][]const u8{
"-ObjC",
};
raylib.addCSourceFiles(
&.{srcdir ++ "/rglfw.c"},
raylib_flags ++ raylib_flags_extra_macos,
);
raylib.linkFramework("Foundation");
},
else => {
@panic("Unsupported OS");
},
}
return raylib;
}
pub fn build(b: *std.build.Builder) void {
// Standard target options allows the person running `zig build` to choose
@ -92,5 +84,13 @@ pub fn build(b: *std.build.Builder) void {
// for restricting supported target set are available.
const target = b.standardTargetOptions(.{});
_ = lib.addRaylib(b, target);
const lib = addRaylib(b, target);
lib.setOutputDir(srcdir);
lib.install();
}
const srcdir = getSrcDir();
fn getSrcDir() []const u8 {
return std.fs.path.dirname(@src().file) orelse ".";
}