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Add WASM support for Zig build (#2901)

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* Add WASM support for Zig build

* Improve Web example building

* Remove emscript example building with Zig again

* Readd windows emscripten variables
This commit is contained in:
Nikolas
2023-02-01 11:09:03 +01:00
committed by GitHub
parent c94c666d04
commit 89171a2608
4 changed files with 55 additions and 21 deletions
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27
src/build.zig
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@@ -3,7 +3,6 @@ const std = @import("std");
pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.LibExeObjStep {
const raylib_flags = &[_][]const u8{
"-std=gnu99",
"-DPLATFORM_DESKTOP",
"-D_GNU_SOURCE",
"-DGL_SILENCE_DEPRECATION=199309L",
"-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/1891
@@ -25,13 +24,15 @@ pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.
srcdir ++ "/utils.c",
}, raylib_flags);
switch (raylib.target.toTarget().os.tag) {
switch (target.getOsTag()) {
.windows => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
raylib.linkSystemLibrary("winmm");
raylib.linkSystemLibrary("gdi32");
raylib.linkSystemLibrary("opengl32");
raylib.addIncludePath("external/glfw/deps/mingw");
raylib.defineCMacro("PLATFORM_DESKTOP", null);
},
.linux => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
@@ -40,6 +41,8 @@ pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.
raylib.linkSystemLibrary("dl");
raylib.linkSystemLibrary("m");
raylib.linkSystemLibrary("X11");
raylib.defineCMacro("PLATFORM_DESKTOP", null);
},
.freebsd, .openbsd, .netbsd, .dragonfly => {
raylib.addCSourceFiles(&.{srcdir ++ "/rglfw.c"}, raylib_flags);
@@ -53,6 +56,8 @@ pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.
raylib.linkSystemLibrary("Xi");
raylib.linkSystemLibrary("Xxf86vm");
raylib.linkSystemLibrary("Xcursor");
raylib.defineCMacro("PLATFORM_DESKTOP", null);
},
.macos => {
// On macos rglfw.c include Objective-C files.
@@ -68,6 +73,24 @@ pub fn addRaylib(b: *std.build.Builder, target: std.zig.CrossTarget) *std.build.
raylib.linkFramework("CoreGraphics");
raylib.linkFramework("AppKit");
raylib.linkFramework("IOKit");
raylib.defineCMacro("PLATFORM_DESKTOP", null);
},
.emscripten => {
raylib.defineCMacro("PLATFORM_WEB", null);
raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null);
if (b.sysroot == null) {
@panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'");
}
const cache_include = std.fs.path.join(b.allocator, &.{ b.sysroot.?, "cache", "sysroot", "include" }) catch @panic("Out of memory");
defer b.allocator.free(cache_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(cache_include);
},
else => {
@panic("Unsupported OS");