Upgraded to latest zig version (0.12.0-dev.2036+fc79b22a9) but wasm i…

…s now broken. One thing of note is lib.stack_protector in build.zig is not available anymore.

build.zig

@@ -1,13 +1,17 @@
 const std = @import("std");
 
-pub fn setup_wasm(b: *std.build, optimize: std.builtin.Mode) void {
-    const lib = b.addSharedLibrary(.{
+pub fn setup_wasm(b: *std.Build, optimize: std.builtin.Mode) void {
+    const lib = b.addExecutable(.{
         .name = "zpz6128",
         .version = .{ .major = 1, .minor = 0, .patch = 0 },
         .optimize = optimize,
-        .target = .{ .cpu_arch = .wasm32, .os_tag = .freestanding },
+        .target = b.resolveTargetQuery(.{
+          .cpu_arch = .wasm32,
+          .os_tag = .freestanding,
+        }),
         .root_source_file = .{ .path = "src/zpz-wasm.zig" },
     });
+    lib.entry = .disabled;
     lib.addIncludePath(.{ .path = "./chips/" });
     lib.addCSourceFiles(.{ .files = &.{"src/chips-impl.c"} });
     // We need the libc because of the use of #include <string> memset in `chips`
@@ -21,7 +25,7 @@ pub fn setup_wasm(b: *std.build, optimize: std.builtin.Mode) void {
     // lib.export_symbol_names = &[_][]const u8{ "add" };
     lib.rdynamic = true;
     // So we don't need to define like __stack_chk_guard and __stack_chk_fail
-    lib.stack_protector = false;
+    // lib.stack_protector = false;
 
     const wasm_step = b.step("wasm", "Compile the wasm library");
     wasm_step.dependOn(&b.addInstallArtifact(lib, .{}).step);

src/sdl-adapter.zig

@@ -134,7 +134,7 @@ pub const SDLAdapter = struct {
   }
 
   pub fn display(adapter: *IOAdapter, pixel_buffer: [*]c_uint, width: usize, height: usize) anyerror!void {
-    var self = @fieldParentPtr(SDLAdapter, "interface", adapter);
+    const self = @fieldParentPtr(SDLAdapter, "interface", adapter);
 
     try prepareScene(self, pixel_buffer, width, height);
     try renderScene(self);
@@ -148,7 +148,7 @@ pub const SDLAdapter = struct {
   }
 
   fn prepareScene(self: *Self, pixel_buffer: [*]c_uint, width: usize, height: usize) anyerror!void {
-    var texture = self.texture;
+    const texture = self.texture;
 
     var buffer: [*c]u32 = undefined;
     var pitch: i32 = undefined;

web/zpz6128.wasm

@@ -1 +1 @@
-../zig-out/lib/zpz6128.wasm
+../zig-out/bin/zpz6128.wasm