build glfw

cimgui/build.zig

@@ -1,5 +1,6 @@
 const std = @import("std");
 const vkgen = @import("vulkan-zig");
+const glfw_util = @import("glfw");
 
 pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
@@ -7,6 +8,7 @@ pub fn build(b: *std.Build) !void {
 
     const imgui_dep = b.dependency("imgui", .{});
     const cimgui_dep = b.dependency("cimgui", .{});
+    const glfw_dep = b.dependency("glfw", .{});
 
     const luajit = try b.findProgram(&.{"luajit"}, &.{});
 
@@ -74,13 +76,7 @@ pub fn build(b: *std.Build) !void {
     });
     cimgui.installHeader(copy.getDirectory().path(b, "cimgui.h"), "cimgui.h");
     cimgui.installHeader(copy.getDirectory().path(b, "cimgui_impl.h"), "cimgui_impl.h");
-
-    // todo separate impls into different shared libraries for easier linkage
-    cimgui.linkSystemLibrary2("glfw3", .{
-        .needed = true,
-        .preferred_link_mode = .static,
-        .use_pkg_config = .force,
-    });
+    glfw_util.link(glfw_dep, cimgui);
 
     b.installArtifact(cimgui);