Fixing the Lua artifact not being found when building fresh

Author: Interrupt

build.zig

@@ -29,6 +29,7 @@ pub fn build(b: *std.Build) !void {
     const dep_ziglua = b.dependency("ziglua", .{
         .target = target,
         .optimize = optimize,
+        .lang = .lua54,
         .can_use_jmp = !target.result.isWasm(),
     });
 
@@ -56,11 +57,6 @@ pub fn build(b: *std.Build) !void {
     const cimgui_root = dep_cimgui.namedWriteFiles("cimgui").getDirectory();
     dep_sokol.artifact("sokol_clib").addIncludePath(cimgui_root);
 
-    // C libraries need to depend on the sokol library to make sure the Emscripten SDK is setup first
-    // when doing web builds
-    dep_cimgui.artifact("cimgui_clib").step.dependOn(&dep_sokol.artifact("sokol_clib").step);
-    dep_ziglua.artifact("lua").step.dependOn(&dep_sokol.artifact("sokol_clib").step);
-
     const sokol_item = .{ .module = dep_sokol.module("sokol"), .name = "sokol" };
     const ziglua_item = .{ .module = dep_ziglua.module("ziglua"), .name = "ziglua" };
     const zmesh_item = .{ .module = dep_zmesh.module("root"), .name = "zmesh" };
@@ -102,6 +98,11 @@ pub fn build(b: *std.Build) !void {
     }
 
     for (build_collection.link_libraries) |lib| {
+        if (target.result.isWasm()) {
+            // ensure these libs all depend on the emcc C lib
+            lib.step.dependOn(&dep_sokol.artifact("sokol_clib").step);
+        }
+
         delve_mod.linkLibrary(lib);
     }
 

build.zig.zon

@@ -14,6 +14,11 @@
             .url = "git+https://github.com/interrupt/ziglua#3d7532ec73202bddfbeba1933d43fe427ca6d80d",
             .hash = "12207a933b3cca4e301c711acbdb045a50c1d90f9525ab6544e409427b9672a6821f",
         },
+        // needed because Lua is a lazy dependency inside of ziglua
+        .lua54 = .{
+            .url = "https://www.lua.org/ftp/lua-5.4.6.tar.gz",
+            .hash = "1220f93ada1fa077ab096bf88a5b159ad421dbf6a478edec78ddb186d0c21d3476d9",
+        },
         .sokol = .{
             .url = "git+https://github.com/floooh/sokol-zig.git#d3e21f76498213d6d58179065756f5f2ed9b90cf",
             .hash = "122052a192829b377c637ce242ee8c9121e03d8cd10c889758dc6fb176368de7d67b",