zgui emscripten support

zig-gamedev · Feb 18, 2024 · fdfa3ae · fdfa3ae
1 parent c5659c3
commit fdfa3ae
Showing 1 changed file with 23 additions and 15 deletions.
diff --git a/libs/zgui/build.zig b/libs/zgui/build.zig
@@ -84,10 +84,11 @@ pub fn package(
  zgui_c_cpp.addIncludePath(.{ .path = thisDir() ++ "/libs" });
  zgui_c_cpp.addIncludePath(.{ .path = thisDir() ++ "/libs/imgui" });
 
- const abi = target.result.abi;
- zgui_c_cpp.linkLibC();
- if (abi != .msvc)
- zgui_c_cpp.linkLibCpp();
+ if (target.result.os.tag != .emscripten) {
+ zgui_c_cpp.linkLibC();
+ if (target.result.abi != .msvc)
+ zgui_c_cpp.linkLibCpp();
+ }
 
  const cflags = &.{"-fno-sanitize=undefined"};
 
@@ -125,17 +126,19 @@ pub fn package(
 
  switch (args.options.backend) {
  .glfw_wgpu => {
- const zglfw = b.dependency("zglfw", .{});
- const zgpu = b.dependency("zgpu", .{});
- zgui_c_cpp.addIncludePath(.{ .path = zglfw.path("libs/glfw/include").getPath(b) });
- zgui_c_cpp.addIncludePath(.{ .path = zgpu.path("libs/dawn/include").getPath(b) });
- zgui_c_cpp.addCSourceFiles(.{
- .files = &.{
- thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp",
- thisDir() ++ "/libs/imgui/backends/imgui_impl_wgpu.cpp",
- },
- .flags = cflags,
- });
+ if (target.result.os.tag != .emscripten) {
+ const zglfw = b.dependency("zglfw", .{});
+ const zgpu = b.dependency("zgpu", .{});
+ zgui_c_cpp.addIncludePath(.{ .path = zglfw.path("libs/glfw/include").getPath(b) });
+ zgui_c_cpp.addIncludePath(.{ .path = zgpu.path("libs/dawn/include").getPath(b) });
+ zgui_c_cpp.addCSourceFiles(.{
+ .files = &.{
+ thisDir() ++ "/libs/imgui/backends/imgui_impl_glfw.cpp",
+ thisDir() ++ "/libs/imgui/backends/imgui_impl_wgpu.cpp",
+ },
+ .flags = cflags,
+ });
+ }
  },
  .glfw_opengl3 => {
  const zglfw = b.dependency("zglfw", .{});
@@ -162,6 +165,11 @@ pub fn package(
  .no_backend => {},
  }
 
+ if (target.result.os.tag == .emscripten) {
+ zgui_c_cpp.defineCMacro("__EMSCRIPTEN__", null);
+ zgui_c_cpp.addSystemIncludePath(.{ .path = b.pathJoin(&.{ b.sysroot.?, "include" }) });
+ }
+
  return .{
  .options = args.options,
  .zgui = zgui,