build: add cimgui to build

build.zig

@@ -621,6 +621,7 @@ fn addDeps(
     };
 
     // Dependencies
+    const cimgui_dep = b.dependency("cimgui", .{ .target = step.target, .optimize = step.optimize });
     const js_dep = b.dependency("zig_js", .{ .target = step.target, .optimize = step.optimize });
     const libxev_dep = b.dependency("libxev", .{ .target = step.target, .optimize = step.optimize });
     const objc_dep = b.dependency("zig_objc", .{ .target = step.target, .optimize = step.optimize });
@@ -724,6 +725,11 @@ fn addDeps(
         try static_libs.append(macos_dep.artifact("macos").getEmittedBin());
     }
 
+    // cimgui
+    step.addModule("cimgui", cimgui_dep.module("cimgui"));
+    step.linkLibrary(cimgui_dep.artifact("cimgui"));
+    try static_libs.append(cimgui_dep.artifact("cimgui").getEmittedBin());
+
     // Tracy
     step.addModule("tracy", tracy_dep.module("tracy"));
     if (tracy) {

build.zig.zon

@@ -27,6 +27,7 @@
         },
 
         // C libs
+        .cimgui = .{ .path = "./pkg/cimgui" },
         .fontconfig = .{ .path = "./pkg/fontconfig" },
         .freetype = .{ .path = "./pkg/freetype" },
         .harfbuzz = .{ .path = "./pkg/harfbuzz" },

pkg/cimgui/build.zig

@@ -5,7 +5,7 @@ pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
-    _ = b.addModule("imgui", .{ .source_file = .{ .path = "main.zig" } });
+    _ = b.addModule("cimgui", .{ .source_file = .{ .path = "main.zig" } });
 
     const imgui = b.dependency("imgui", .{});
     const lib = b.addStaticLibrary(.{

pkg/cimgui/c.zig

@@ -0,0 +1,3 @@
+pub usingnamespace @cImport({
+    @cInclude("cimgui.h");
+});

pkg/cimgui/main.zig

@@ -1 +1,3 @@
+pub const c = @import("c.zig");
+
 test {}