chore: upgrade to Zig 0.16.0

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Install Zig
         uses: mlugg/setup-zig@v2
         with:
-          version: "0.14.1" # Set the required Zig version
+          version: "0.16.0" # Set the required Zig version
 
       - name: Build and Test
         run: |

.gitignore

@@ -1,3 +1,4 @@
 hashtree/
 zig-out/
-.zig-cache/
+.zig-cache/
+zig-pkg/

build.zig

@@ -16,19 +16,19 @@ pub fn build(b: *std.Build) void {
         }),
     });
 
-    const assembly_flags_default = &.{ "-g", "-fpic" };
-    var assembly_flags = std.ArrayList([]const u8).init(b.allocator);
-    assembly_flags.appendSlice(assembly_flags_default) catch unreachable;
+    const assembly_flags_default: []const []const u8 = &.{ "-g", "-fpic" };
+    var assembly_flags = std.ArrayListUnmanaged([]const u8).empty;
+    assembly_flags.appendSlice(b.allocator, assembly_flags_default) catch unreachable;
 
     if (!target.result.cpu.arch.isAARCH64()) {
-        assembly_flags.append("-fno-integrated-as") catch unreachable;
+        assembly_flags.append(b.allocator, "-fno-integrated-as") catch unreachable;
     }
 
     // Add the assembly and C source files
     // Only arm64 and x86 architectures have optimized assembly implementations.
     // All other architectures will use the generic fallback C implementation.
 
-    lib.addCSourceFiles(.{
+    lib.root_module.addCSourceFiles(.{
         .root = upstream.path("src"),
         .files = if (target.result.cpu.arch.isArm() or target.result.cpu.arch.isAARCH64())
             &[_][]const u8{
@@ -50,7 +50,7 @@ pub fn build(b: *std.Build) void {
         .flags = assembly_flags.items,
     });
 
-    lib.addCSourceFiles(.{
+    lib.root_module.addCSourceFiles(.{
         .root = upstream.path("src"),
         .files = &[_][]const u8{
             "hashtree.c",
@@ -62,7 +62,7 @@ pub fn build(b: *std.Build) void {
             "-Werror",
         },
     });
-    lib.addIncludePath(upstream.path("src"));
+    lib.root_module.addIncludePath(upstream.path("src"));
 
     lib.installHeader(upstream.path("src/hashtree.h"), "hashtree.h");
     b.installArtifact(lib);

build.zig.zon

@@ -3,12 +3,12 @@
     .version = "0.1.0",
     .dependencies = .{
         .hashtree = .{
-            .url = "git+https://github.com/offchainlabs/hashtree#f733b7698511b5498b722421a30ddf7e5066497c",
-            .hash = "N-V-__8AANPhDADGDLYAKqml8U-1jREHVH_-5vi9Mcwsf6oi",
+            .url = "git+https://github.com/offchainlabs/hashtree#fba14494dada4420440d985c2c516341d9c24b9b",
+            .hash = "N-V-__8AAJ03FACfm8Hlfs97yP3-2Hd5ZzSv9yYuoEi3Yi_B",
         },
     },
     .fingerprint = 0xf963e115bea813b0,
-    .minimum_zig_version = "0.14.0",
+    .minimum_zig_version = "0.16.0",
     .paths = .{
         "build.zig",
         "build.zig.zon",