update build script for zig 0.16.0 (#25)

Co-authored-by: Perttu Vepsäläinen <perttuvep+git@proton.me>

Author: perttuvep

build.zig

@@ -116,24 +116,22 @@ pub fn build(b: *std.Build) void {
         .root_module = b.createModule(.{
             .target = target,
             .optimize = optimize,
+            .link_libc = true,
+            .link_libcpp = target.result.abi != .msvc,
         }),
     });
     b.installArtifact(zdawn);
 
     linkSystemDeps(b, zdawn);
 
-    zdawn.linkLibC();
-    if (target.result.abi != .msvc)
-        zdawn.linkLibCpp();
+    zdawn.root_module.addIncludePath(b.path("libs/dawn/include"));
+    zdawn.root_module.addIncludePath(b.path("src"));
 
-    zdawn.addIncludePath(b.path("libs/dawn/include"));
-    zdawn.addIncludePath(b.path("src"));
-
-    zdawn.addCSourceFile(.{
+    zdawn.root_module.addCSourceFile(.{
         .file = b.path("src/dawn.cpp"),
         .flags = &.{ "-std=c++17", "-fno-sanitize=undefined" },
     });
-    zdawn.addCSourceFile(.{
+    zdawn.root_module.addCSourceFile(.{
         .file = b.path("src/dawn_proc.c"),
         .flags = &.{"-fno-sanitize=undefined"},
     });
@@ -149,8 +147,8 @@ pub fn build(b: *std.Build) void {
             .optimize = optimize,
         }),
     });
-    tests.addIncludePath(b.path("libs/dawn/include"));
-    tests.linkLibrary(zdawn);
+    tests.root_module.addIncludePath(b.path("libs/dawn/include"));
+    tests.root_module.linkLibrary(zdawn);
     linkSystemDeps(b, tests);
     addLibraryPathsTo(tests);
     b.installArtifact(tests);
@@ -162,23 +160,23 @@ pub fn linkSystemDeps(b: *std.Build, compile_step: *std.Build.Step.Compile) void
     switch (compile_step.rootModuleTarget().os.tag) {
         .windows => {
             if (b.lazyDependency("system_sdk", .{})) |system_sdk| {
-                compile_step.addLibraryPath(system_sdk.path("windows/lib/x86_64-windows-gnu"));
+                compile_step.root_module.addLibraryPath(system_sdk.path("windows/lib/x86_64-windows-gnu"));
             }
-            compile_step.linkSystemLibrary("ole32");
-            compile_step.linkSystemLibrary("dxguid");
+            compile_step.root_module.linkSystemLibrary("ole32", .{});
+            compile_step.root_module.linkSystemLibrary("dxguid", .{});
         },
         .macos => {
             if (b.lazyDependency("system_sdk", .{})) |system_sdk| {
-                compile_step.addLibraryPath(system_sdk.path("macos12/usr/lib"));
-                compile_step.addFrameworkPath(system_sdk.path("macos12/System/Library/Frameworks"));
+                compile_step.root_module.addLibraryPath(system_sdk.path("macos12/usr/lib"));
+                compile_step.root_module.addFrameworkPath(system_sdk.path("macos12/System/Library/Frameworks"));
             }
-            compile_step.linkSystemLibrary("objc");
-            compile_step.linkFramework("Metal");
-            compile_step.linkFramework("CoreGraphics");
-            compile_step.linkFramework("Foundation");
-            compile_step.linkFramework("IOKit");
-            compile_step.linkFramework("IOSurface");
-            compile_step.linkFramework("QuartzCore");
+            compile_step.root_module.linkSystemLibrary("objc", .{});
+            compile_step.root_module.linkFramework("Metal", .{});
+            compile_step.root_module.linkFramework("CoreGraphics", .{});
+            compile_step.root_module.linkFramework("Foundation", .{});
+            compile_step.root_module.linkFramework("IOKit", .{});
+            compile_step.root_module.linkFramework("IOSurface", .{});
+            compile_step.root_module.linkFramework("QuartzCore", .{});
         },
         else => {},
     }
@@ -190,34 +188,34 @@ pub fn addLibraryPathsTo(compile_step: *std.Build.Step.Compile) void {
     switch (target.os.tag) {
         .windows => {
             if (b.lazyDependency("dawn_x86_64_windows_gnu", .{})) |dawn_prebuilt| {
-                compile_step.addLibraryPath(dawn_prebuilt.path(""));
+                compile_step.root_module.addLibraryPath(dawn_prebuilt.path(""));
             }
         },
         .linux => {
             if (target.cpu.arch.isX86()) {
                 if (b.lazyDependency("dawn_x86_64_linux_gnu", .{})) |dawn_prebuilt| {
-                    compile_step.addLibraryPath(dawn_prebuilt.path(""));
+                    compile_step.root_module.addLibraryPath(dawn_prebuilt.path(""));
                 }
             } else if (target.cpu.arch.isAARCH64()) {
                 if (b.lazyDependency("dawn_aarch64_linux_gnu", .{})) |dawn_prebuilt| {
-                    compile_step.addLibraryPath(dawn_prebuilt.path(""));
+                    compile_step.root_module.addLibraryPath(dawn_prebuilt.path(""));
                 }
             }
         },
         .macos => {
             if (target.cpu.arch.isX86()) {
                 if (b.lazyDependency("dawn_x86_64_macos", .{})) |dawn_prebuilt| {
-                    compile_step.addLibraryPath(dawn_prebuilt.path(""));
+                    compile_step.root_module.addLibraryPath(dawn_prebuilt.path(""));
                 }
             } else if (target.cpu.arch.isAARCH64()) {
                 if (b.lazyDependency("dawn_aarch64_macos", .{})) |dawn_prebuilt| {
-                    compile_step.addLibraryPath(dawn_prebuilt.path(""));
+                    compile_step.root_module.addLibraryPath(dawn_prebuilt.path(""));
                 }
             }
         },
         else => {},
     }
-    compile_step.linkSystemLibrary("dawn");
+    compile_step.root_module.linkSystemLibrary("dawn", .{});
 }
 
 pub fn checkTargetSupported(target: std.Target) bool {