Upgrade to Zig 0.15.1

build.zig

@@ -4,22 +4,14 @@ pub fn build(b: *std.Build) void {
     const optimize = b.standardOptimizeOption(.{});
     const target = b.standardTargetOptions(.{});
     const opt_use_shared = b.option(bool, "shared", "Make shared (default: false)") orelse false;
-    _ = b.addModule("root", .{
-        .root_source_file = b.path("src/zflecs.zig"),
-    });
 
-    const flecs = if (opt_use_shared) b.addSharedLibrary(.{
-        .name = "flecs",
-        .target = target,
-        .optimize = optimize,
-    }) else b.addStaticLibrary(.{
-        .name = "flecs",
+    const module = b.addModule("root", .{
+        .root_source_file = b.path("src/zflecs.zig"),
         .target = target,
         .optimize = optimize,
     });
-    flecs.linkLibC();
-    flecs.addIncludePath(b.path("libs/flecs"));
-    flecs.addCSourceFile(.{
+    module.addIncludePath(b.path("libs/flecs"));
+    module.addCSourceFile(.{
         .file = b.path("libs/flecs/flecs.c"),
         .flags = &.{
             "-fno-sanitize=undefined",
@@ -29,24 +21,32 @@ pub fn build(b: *std.Build) void {
             if (opt_use_shared) "-DFLECS_SHARED" else "",
         },
     });
-    b.installArtifact(flecs);
+
+    const lib = b.addLibrary(.{
+        .name = "flecs",
+        .linkage = if (opt_use_shared) .dynamic else .static,
+        .root_module = module,
+    });
+    lib.linkLibC();
+    b.installArtifact(lib);
 
     if (target.result.os.tag == .windows) {
-        flecs.linkSystemLibrary("ws2_32");
+        lib.linkSystemLibrary("ws2_32");
     }
     const test_step = b.step("test", "Run zflecs tests");
 
     const tests = b.addTest(.{
         .name = "zflecs-tests",
-        .root_source_file = b.path("src/tests.zig"),
-        .target = target,
-        .optimize = optimize,
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/tests.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
     });
-    tests.linkLibC();
     tests.addIncludePath(b.path("libs/flecs"));
+    tests.linkLibrary(lib);
+    tests.linkLibC();
     b.installArtifact(tests);
 
-    tests.linkLibrary(flecs);
-
     test_step.dependOn(&b.addRunArtifact(tests).step);
 }

build.zig.zon

@@ -2,7 +2,7 @@
     .name = .zflecs,
     .fingerprint = 0xb539547bca77f3d4,
     .version = "0.2.0-dev",
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.15.1",
     .paths = .{
         "build.zig",
         "build.zig.zon",

src/tests.zig

@@ -285,7 +285,7 @@ test "zflecs.basic" {
 const Eats = struct {};
 const Apples = struct {};
 
-fn move(it: *ecs.iter_t) callconv(.C) void {
+fn move(it: *ecs.iter_t) callconv(.c) void {
     const p = ecs.field(it, Position, 0).?;
     const v = ecs.field(it, Velocity, 1).?;
 
@@ -477,27 +477,20 @@ test "zflecs.struct-dtor-hook" {
     defer _ = ecs.fini(world);
 
     const Chat = struct {
-        messages: std.ArrayList([]const u8),
-
-        pub fn init(allocator: std.mem.Allocator) @This() {
-            return @This(){
-                .messages = std.ArrayList([]const u8).init(allocator),
-            };
-        }
-
-        pub fn dtor(self: @This()) void {
-            self.messages.deinit();
+        messages: std.ArrayList([]const u8) = .{},
+        pub fn dtor(self: *@This()) void {
+            self.messages.deinit(std.testing.allocator);
         }
     };
 
     ecs.COMPONENT(world, Chat);
     {
         var system_desc = ecs.system_desc_t{};
         system_desc.callback = struct {
-            pub fn chatSystem(it: *ecs.iter_t) callconv(.C) void {
+            pub fn chatSystem(it: *ecs.iter_t) callconv(.c) void {
                 const chat_components = ecs.field(it, Chat, 0).?;
                 for (0..it.count()) |i| {
-                    chat_components[i].messages.append("some words hi") catch @panic("whomp");
+                    chat_components[i].messages.append(std.testing.allocator, "some words hi") catch @panic("whomp");
                 }
             }
         }.chatSystem;
@@ -506,7 +499,7 @@ test "zflecs.struct-dtor-hook" {
     }
 
     const chat_entity = ecs.new_entity(world, "Chat entity");
-    _ = ecs.set(world, chat_entity, Chat, Chat.init(std.testing.allocator));
+    _ = ecs.set(world, chat_entity, Chat, Chat{});
 
     _ = ecs.progress(world, 0);
 
@@ -517,7 +510,7 @@ test "zflecs.struct-dtor-hook" {
     // commented out since the cleanup is never called to free the ArrayList
     // memory.
 }
-fn module(world: *ecs.world_t) callconv(.C) void {
+fn module(world: *ecs.world_t) callconv(.c) void {
     var desc = ecs.component_desc_t{ .entity = 0, .type = .{ .size = 0, .alignment = 0 } };
     _ = ecs.module_init(world, "SimpleModule", &desc);