readme: update zig version support table

This was added in 1.51.0. it only affected building with -Dbuild-tests,
which probably most people do not do.

.github/workflows/ci.yaml

@@ -12,24 +12,24 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        zig-version: ["0.14.0"]
-        os: [ubuntu-latest, windows-latest]
+        zig-version: ["0.14.1", "0.15.2", "master"]
+        os: [ubuntu-latest, windows-latest, macos-latest]
         include:
-          - zig-version: "0.14.0"
+          - zig-version: "0.15.2"
+            # -Dbuild-tests does not work when targeting Linux because the build
+            # system doesn't preserve linker input file order, which causes the
+            # linker to spew duplicate symbol errors.
+            os: macos-latest
             check-format: true
-            os: macos-latest
             build-options: "-Dbuild-tests -Dbuild-benchmarks"
 
-          - zig-version: "master"
-            os: macos-latest
-
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ matrix.zig-version }}
 

build.zig

@@ -14,10 +14,15 @@ pub fn build(b: *std.Build) void {
 
     const upstream = b.dependency("libuv", .{});
 
-    const lib = b.addStaticLibrary(.{
-        .name = "uv",
+    var root_module = b.createModule(.{
         .target = target,
         .optimize = optimize,
+        .link_libc = true,
+    });
+    const lib = b.addLibrary(.{
+        .name = "uv",
+        .linkage = .static,
+        .root_module = root_module,
     });
 
     const cflags: []const []const u8 = &.{
@@ -30,34 +35,33 @@ pub fn build(b: *std.Build) void {
     const include_root = upstream.path("include");
     const test_root = upstream.path("test");
 
-    lib.linkLibC();
-    lib.addCSourceFiles(.{
+    root_module.addCSourceFiles(.{
         .root = src_root,
         .files = common_sources,
         .flags = cflags,
     });
-    lib.addIncludePath(src_root);
-    lib.addIncludePath(include_root);
+    root_module.addIncludePath(src_root);
+    root_module.addIncludePath(include_root);
 
     const tinfo = target.result;
     switch (tinfo.os.tag) {
         .windows => {
-            lib.root_module.addCMacro("_WIN32_WINNT", "0x0A00");
-            lib.root_module.addCMacro("WIN32_LEAN_AND_MEAN", "");
-            lib.root_module.addCMacro("_CRT_DECLARE_NONSTDC_NAMES", "0");
+            root_module.addCMacro("_WIN32_WINNT", "0x0A00");
+            root_module.addCMacro("WIN32_LEAN_AND_MEAN", "");
+            root_module.addCMacro("_CRT_DECLARE_NONSTDC_NAMES", "0");
 
-            lib.linkSystemLibrary("psapi");
-            lib.linkSystemLibrary("user32");
-            lib.linkSystemLibrary("advapi32");
-            lib.linkSystemLibrary("iphlpapi");
-            lib.linkSystemLibrary("userenv");
-            lib.linkSystemLibrary("ws2_32");
-            lib.linkSystemLibrary("dbghelp");
-            lib.linkSystemLibrary("ole32");
-            lib.linkSystemLibrary("shell32");
+            root_module.linkSystemLibrary("psapi", .{});
+            root_module.linkSystemLibrary("user32", .{});
+            root_module.linkSystemLibrary("advapi32", .{});
+            root_module.linkSystemLibrary("iphlpapi", .{});
+            root_module.linkSystemLibrary("userenv", .{});
+            root_module.linkSystemLibrary("ws2_32", .{});
+            root_module.linkSystemLibrary("dbghelp", .{});
+            root_module.linkSystemLibrary("ole32", .{});
+            root_module.linkSystemLibrary("shell32", .{});
             if (optimize == .Debug)
-                lib.linkSystemLibrary("ucrtbased");
-            lib.addCSourceFiles(.{
+                root_module.linkSystemLibrary("ucrtbased", .{});
+            root_module.addCSourceFiles(.{
                 .root = src_root,
                 .files = win_sources,
                 .flags = cflags,
@@ -72,9 +76,9 @@ pub fn build(b: *std.Build) void {
             );
         },
         else => {
-            lib.root_module.addCMacro("_FILE_OFFSET_BITS", "64");
-            lib.root_module.addCMacro("_LARGEFILE_SOURCE", "");
-            lib.addCSourceFiles(.{
+            root_module.addCMacro("_FILE_OFFSET_BITS", "64");
+            root_module.addCMacro("_LARGEFILE_SOURCE", "");
+            root_module.addCSourceFiles(.{
                 .root = src_root,
                 .files = unix_sources,
                 .flags = cflags,
@@ -84,12 +88,12 @@ pub fn build(b: *std.Build) void {
                 "uv/unix.h",
             );
             if (!tinfo.abi.isAndroid())
-                lib.linkSystemLibrary("pthread");
+                root_module.linkSystemLibrary("pthread", .{});
 
             if (tinfo.os.tag.isDarwin()) {
-                lib.root_module.addCMacro("_DARWIN_UNLIMITED_SELECT", "1");
-                lib.root_module.addCMacro("_DARWIN_USE_64_BIT_INODE", "1");
-                lib.addCSourceFiles(.{
+                root_module.addCMacro("_DARWIN_UNLIMITED_SELECT", "1");
+                root_module.addCMacro("_DARWIN_USE_64_BIT_INODE", "1");
+                root_module.addCSourceFiles(.{
                     .root = src_root,
                     .files = darwin_sources,
                     .flags = cflags,
@@ -99,9 +103,9 @@ pub fn build(b: *std.Build) void {
                     "uv/darwin.h",
                 );
             } else if (tinfo.abi.isAndroid()) {
-                lib.root_module.addCMacro("_GNU_SOURCE", "");
-                lib.linkSystemLibrary("dl");
-                lib.addCSourceFiles(.{
+                root_module.addCMacro("_GNU_SOURCE", "");
+                root_module.linkSystemLibrary("dl", .{});
+                root_module.addCSourceFiles(.{
                     .root = src_root,
                     .files = android_sources,
                     .flags = cflags,
@@ -112,11 +116,11 @@ pub fn build(b: *std.Build) void {
                 );
             } else switch (tinfo.os.tag) {
                 .linux => {
-                    lib.root_module.addCMacro("_GNU_SOURCE", "");
-                    lib.root_module.addCMacro("_POSIX_C_SOURCE", "200112");
-                    lib.linkSystemLibrary("dl");
-                    lib.linkSystemLibrary("rt");
-                    lib.addCSourceFiles(.{
+                    root_module.addCMacro("_GNU_SOURCE", "");
+                    root_module.addCMacro("_POSIX_C_SOURCE", "200112");
+                    root_module.linkSystemLibrary("dl", .{});
+                    root_module.linkSystemLibrary("rt", .{});
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = linux_sources,
                         .flags = cflags,
@@ -126,28 +130,11 @@ pub fn build(b: *std.Build) void {
                         "uv/linux.h",
                     );
                 },
-                .aix => {
-                    lib.root_module.addCMacro("_ALL_SOURCE", "");
-                    lib.root_module.addCMacro("_LINUX_SOURCE_COMPAT", "");
-                    lib.root_module.addCMacro("_THREAD_SAFE", "");
-                    lib.root_module.addCMacro("_XOPEN_SOURCE", "500");
-                    lib.root_module.addCMacro("HAVE_SYS_AHAFS_EVPRODS_H", "");
-                    lib.linkSystemLibrary("perfstat");
-                    lib.addCSourceFiles(.{
-                        .root = src_root,
-                        .files = aix_sources,
-                        .flags = cflags,
-                    });
-                    lib.installHeader(
-                        include_root.path(b, "uv/aix.h"),
-                        "uv/aix.h",
-                    );
-                },
                 .haiku => {
-                    lib.root_module.addCMacro("_BSD_SOURCE", "");
-                    lib.linkSystemLibrary("bsd");
-                    lib.linkSystemLibrary("network");
-                    lib.addCSourceFiles(.{
+                    root_module.addCMacro("_BSD_SOURCE", "");
+                    root_module.linkSystemLibrary("bsd", .{});
+                    root_module.linkSystemLibrary("network", .{});
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = haiku_sources,
                         .flags = cflags,
@@ -158,11 +145,11 @@ pub fn build(b: *std.Build) void {
                     );
                 },
                 .hurd => {
-                    lib.root_module.addCMacro("_GNU_SOURCE", "");
-                    lib.root_module.addCMacro("_POSIX_C_SOURCE", "200112");
-                    lib.root_module.addCMacro("_XOPEN_SOURCE", "500");
-                    lib.linkSystemLibrary("dl");
-                    lib.addCSourceFiles(.{
+                    root_module.addCMacro("_GNU_SOURCE", "");
+                    root_module.addCMacro("_POSIX_C_SOURCE", "200112");
+                    root_module.addCMacro("_XOPEN_SOURCE", "500");
+                    root_module.linkSystemLibrary("dl", .{});
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = hurd_sources,
                         .flags = cflags,
@@ -173,7 +160,7 @@ pub fn build(b: *std.Build) void {
                     );
                 },
                 .dragonfly => {
-                    lib.addCSourceFiles(.{
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = dragonfly_sources,
                         .flags = cflags,
@@ -184,7 +171,7 @@ pub fn build(b: *std.Build) void {
                     );
                 },
                 .freebsd => {
-                    lib.addCSourceFiles(.{
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = freebsd_sources,
                         .flags = cflags,
@@ -195,8 +182,8 @@ pub fn build(b: *std.Build) void {
                     );
                 },
                 .netbsd => {
-                    lib.linkSystemLibrary("kvm");
-                    lib.addCSourceFiles(.{
+                    root_module.linkSystemLibrary("kvm", .{});
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = netbsd_sources,
                         .flags = cflags,
@@ -207,7 +194,7 @@ pub fn build(b: *std.Build) void {
                     );
                 },
                 .openbsd => {
-                    lib.addCSourceFiles(.{
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = openbsd_sources,
                         .flags = cflags,
@@ -217,15 +204,15 @@ pub fn build(b: *std.Build) void {
                         "uv/bsd.h",
                     );
                 },
-                .illumos, .solaris => {
-                    lib.root_module.addCMacro("__EXTENSIONS__", "");
-                    lib.root_module.addCMacro("_XOPEN_SOURCE", "500");
-                    lib.root_module.addCMacro("_REENTRANT", "");
-                    lib.linkSystemLibrary("kstat");
-                    lib.linkSystemLibrary("nsl");
-                    lib.linkSystemLibrary("sendfile");
-                    lib.linkSystemLibrary("socket");
-                    lib.addCSourceFiles(.{
+                .illumos => {
+                    root_module.addCMacro("__EXTENSIONS__", "");
+                    root_module.addCMacro("_XOPEN_SOURCE", "500");
+                    root_module.addCMacro("_REENTRANT", "");
+                    root_module.linkSystemLibrary("kstat", .{});
+                    root_module.linkSystemLibrary("nsl", .{});
+                    root_module.linkSystemLibrary("sendfile", .{});
+                    root_module.linkSystemLibrary("socket", .{});
+                    root_module.addCSourceFiles(.{
                         .root = src_root,
                         .files = solaris_sources,
                         .flags = cflags,
@@ -235,7 +222,26 @@ pub fn build(b: *std.Build) void {
                         "uv/sunos.h",
                     );
                 },
-                else => @panic("Unsupported build target"),
+                else => {
+                    // aix is removed in zig 0.16
+                    if (@hasDecl(std.Target.Os.Tag, "aix") and tinfo.os.tag == .aix) {
+                        root_module.addCMacro("_ALL_SOURCE", "");
+                        root_module.addCMacro("_LINUX_SOURCE_COMPAT", "");
+                        root_module.addCMacro("_THREAD_SAFE", "");
+                        root_module.addCMacro("_XOPEN_SOURCE", "500");
+                        root_module.addCMacro("HAVE_SYS_AHAFS_EVPRODS_H", "");
+                        root_module.linkSystemLibrary("perfstat", .{});
+                        root_module.addCSourceFiles(.{
+                            .root = src_root,
+                            .files = aix_sources,
+                            .flags = cflags,
+                        });
+                        lib.installHeader(
+                            include_root.path(b, "uv/aix.h"),
+                            "uv/aix.h",
+                        );
+                    } else @panic("Unsupported build target");
+                },
             }
         },
     }
@@ -250,71 +256,77 @@ pub fn build(b: *std.Build) void {
     b.installArtifact(lib);
 
     if (build_tests) {
-        const tests = b.addExecutable(.{
-            .name = "uv_run_tests_a",
+        var tests_module = b.createModule(.{
             .target = target,
             .optimize = optimize,
         });
-        tests.addCSourceFiles(.{
+        const tests = b.addExecutable(.{
+            .name = "uv_run_tests_a",
+            .root_module = tests_module,
+        });
+        tests_module.addCSourceFiles(.{
             .root = test_root,
             .files = test_sources,
             .flags = cflags,
         });
         if (tinfo.os.tag == .windows) {
-            tests.addCSourceFiles(.{
+            tests_module.addCSourceFiles(.{
                 .root = test_root,
                 .files = win_test_sources,
                 .flags = cflags,
             });
-            tests.addCSourceFile(.{
+            tests_module.addCSourceFile(.{
                 .file = src_root.path(b, "win/snprintf.c"),
                 .flags = cflags,
             });
         } else {
-            tests.addCSourceFiles(.{
+            tests_module.addCSourceFiles(.{
                 .root = test_root,
                 .files = unix_test_sources,
                 .flags = cflags,
             });
         }
-        tests.addIncludePath(src_root);
-        tests.addIncludePath(include_root);
-        tests.linkLibrary(lib);
+        tests_module.addIncludePath(src_root);
+        tests_module.addIncludePath(include_root);
+        tests_module.linkLibrary(lib);
         b.installArtifact(tests);
     }
 
     if (build_benchmarks) {
-        const benchmarks = b.addExecutable(.{
-            .name = "uv_run_benchmarks_a",
+        var benchmarks_module = b.createModule(.{
             .target = target,
             .optimize = optimize,
         });
+        const benchmarks = b.addExecutable(.{
+            .name = "uv_run_benchmarks_a",
+            .root_module = benchmarks_module,
+        });
 
-        benchmarks.addCSourceFiles(.{
+        benchmarks_module.addCSourceFiles(.{
             .root = test_root,
             .files = benchmark_sources,
             .flags = cflags,
         });
         if (tinfo.os.tag == .windows) {
-            benchmarks.addCSourceFiles(.{
+            benchmarks_module.addCSourceFiles(.{
                 .root = test_root,
                 .files = win_test_sources,
                 .flags = cflags,
             });
-            benchmarks.addCSourceFile(.{
+            benchmarks_module.addCSourceFile(.{
                 .file = src_root.path(b, "win/snprintf.c"),
                 .flags = cflags,
             });
         } else {
-            benchmarks.addCSourceFiles(.{
+            benchmarks_module.addCSourceFiles(.{
                 .root = test_root,
                 .files = unix_test_sources,
                 .flags = cflags,
             });
         }
-        benchmarks.addIncludePath(src_root);
-        benchmarks.addIncludePath(include_root);
-        benchmarks.linkLibrary(lib);
+        benchmarks_module.addIncludePath(src_root);
+        benchmarks_module.addIncludePath(include_root);
+        benchmarks_module.linkLibrary(lib);
         b.installArtifact(benchmarks);
     }
 }
@@ -590,6 +602,7 @@ const test_sources: []const []const u8 = &.{
     "test-loop-close.c",
     "test-loop-configure.c",
     "test-loop-handles.c",
+    "test-loop-oom.c",
     "test-loop-stop.c",
     "test-loop-time.c",
     "test-metrics.c",

build.zig.zon

@@ -1,12 +1,12 @@
 .{
     .name = .libuv,
     .fingerprint = 0x7CB3932CBFAADA86,
-    .version = "1.5.0",
+    .version = "1.51.0",
     .minimum_zig_version = "0.14.0",
     .dependencies = .{
         .libuv = .{
-            .url = "git+https://github.com/libuv/libuv?ref=v1.50.0#8fb9cb919489a48880680a56efecff6a7dfb4504",
-            .hash = "N-V-__8AAH34QwB6wi5eQK_lFbfDGSN3hRE8l-6Ep198ZsGg",
+            .url = "git+https://github.com/libuv/libuv?ref=v1.51.0#5152db2cbfeb5582e9c27c5ea1dba2cd9e10759b",
+            .hash = "N-V-__8AABtNRAB58M85Dm0p6z6iRHP3Zz3eyo08HU4EF5mq",
         },
     },
     .paths = .{

readme.md

@@ -15,7 +15,7 @@ First, update your `build.zig.zon`:
 ```sh
 # Initialize a zig project if you haven't already
 zig init
-# replace <refname> with the version you want to use, e.g. 1.50.0
+# replace <refname> with the version you want to use, e.g. 1.51.0
 zig fetch --save git+https://github.com/allyourcodebase/libuv.git#<refname>
 ```
 
@@ -35,8 +35,13 @@ your_exe.linkLibrary(libuv_dep.artifact("uv"));
 
 ## Zig Version Support Matrix
 
-|  Refname  | libuv Version  | Zig `0.14.0` |
-|-----------|----------------|--------------|
-|           | `1.50.0`       | ✅           |
+> [!IMPORTANT]
+> Compatible zig versions labeled `-dev` are maintained on a best-effort basis and are likely to break as the compiler and zig build system develop. Tag-based refs are immutable and will not be updated when the zig build system has a backward incompatible change.
+
+|  Refname  | libuv Version  | Compatible Zig Version(s)      |
+|-----------|----------------|--------------------------------|
+| `master`  | `1.51.0`       | `0.14.1`, `0.15.2`, `0.16-dev` |
+| `v1.51.0` | `1.51.0`       | `0.14.1`, `0.15.2`, `0.16-dev` |
+| `v1.50.0` | `1.50.0`       | `0.14.1`, `0.15.2`             |
 
 [libuv]: https://github.com/libuv