update to zig 0.14.1

Author: jethrodaniel

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       - name: setup zig
         uses: mlugg/setup-zig@v1
         with:
-          version: 0.13.0
+          version: 0.14.1
 
       - name: zig build
         run: zig build --summary all

README.md

@@ -18,7 +18,7 @@ This project builds MRuby from source, only using Zig.
 
 This means we emulate MRuby's non-trivial Rake-based build process entirely in Zig.
 
-**NOTE**: We only support zig 0.13.0 at the moment.
+**NOTE**: We only support zig 0.14.1 at the moment.
 
 ## Issues
 

build.zig

@@ -209,7 +209,7 @@ pub fn build(b: *std.Build) !void {
     });
     const host_mrbc_exe = b.addExecutable(.{
         .name = "host-mrbc",
-        .target = b.host,
+        .target = b.graph.host,
         .optimize = optimize,
     });
     {
@@ -230,7 +230,7 @@ pub fn build(b: *std.Build) !void {
                 .flags = &cflags,
             });
 
-            exe.defineCMacro("MRB_NO_PRESYM", "1");
+            exe.root_module.addCMacro("MRB_NO_PRESYM", "1");
 
             exe.addIncludePath(mruby_dep.path("include"));
             exe.linkLibC();
@@ -263,8 +263,8 @@ pub fn build(b: *std.Build) !void {
             if (target.result.os.tag == .macos) {
                 lib.addIncludePath(macos_dep.path("include"));
             } else if (target.result.os.tag == .linux) {
-                lib.defineCMacro("_XOPEN_SOURCE", "700");
-                lib.defineCMacro("_BSD_SOURCE", "1");
+                lib.root_module.addCMacro("_XOPEN_SOURCE", "700");
+                lib.root_module.addCMacro("_BSD_SOURCE", "1");
             }
 
             lib.addCSourceFiles(.{
@@ -584,7 +584,7 @@ pub fn build(b: *std.Build) !void {
                     lib.linkSystemLibrary("ws2_32");
 
                 for (gem.defines) |define|
-                    lib.defineCMacro(define, "1");
+                    lib.root_module.addCMacro(define, "1");
             }
         }
 
@@ -647,7 +647,7 @@ pub fn build(b: *std.Build) !void {
         exe.linkLibrary(mruby_lib);
 
         if (target.result.os.tag != .windows) {
-            exe.defineCMacro("MRB_USE_LINENOISE", "1");
+            exe.root_module.addCMacro("MRB_USE_LINENOISE", "1");
             exe.linkLibrary(linenoise_dep.artifact("linenoise"));
         }
 
@@ -739,9 +739,9 @@ pub fn build(b: *std.Build) !void {
         // mrbgems/mruby-dir/test/dirtest.c:70:7: error: call to undeclared function 'mkdtemp'; ISO C99 and later do not support implicit function declarations
         if (target.result.os.tag == .linux) {
             if (target.result.abi == .musl) {
-                exe.defineCMacro("_XOPEN_SOURCE", "1");
+                exe.root_module.addCMacro("_XOPEN_SOURCE", "1");
             } else {
-                exe.defineCMacro("_GNU_SOURCE", "1");
+                exe.root_module.addCMacro("_GNU_SOURCE", "1");
             }
         }
 
@@ -1046,22 +1046,22 @@ pub fn build(b: *std.Build) !void {
         mruby_strip_exe,
         mrbtest,
     }) |obj| {
-        obj.defineCMacro("MRB_STR_LENGTH_MAX", b.fmt("{any}", .{MRB_STR_LENGTH_MAX}));
-        obj.defineCMacro("MRB_ARY_LENGTH_MAX", b.fmt("{any}", .{MRB_ARY_LENGTH_MAX}));
+        obj.root_module.addCMacro("MRB_STR_LENGTH_MAX", b.fmt("{any}", .{MRB_STR_LENGTH_MAX}));
+        obj.root_module.addCMacro("MRB_ARY_LENGTH_MAX", b.fmt("{any}", .{MRB_ARY_LENGTH_MAX}));
         if (MRB_NO_GEMS)
-            obj.defineCMacro("MRB_NO_GEMS", "1");
+            obj.root_module.addCMacro("MRB_NO_GEMS", "1");
         if (MRB_NO_PRESYM)
-            obj.defineCMacro("MRB_NO_PRESYM", "1");
+            obj.root_module.addCMacro("MRB_NO_PRESYM", "1");
         if (MRB_UTF8_STRING)
-            obj.defineCMacro("MRB_UTF8_STRING", "1");
+            obj.root_module.addCMacro("MRB_UTF8_STRING", "1");
         if (MRB_DEBUG)
-            obj.defineCMacro("MRB_DEBUG", "1");
+            obj.root_module.addCMacro("MRB_DEBUG", "1");
         if (MRB_USE_DEBUG_HOOK)
-            obj.defineCMacro("MRB_USE_DEBUG_HOOK", "1");
+            obj.root_module.addCMacro("MRB_USE_DEBUG_HOOK", "1");
         if (MRB_NO_STDIO)
-            obj.defineCMacro("MRB_NO_STDIO", "1");
+            obj.root_module.addCMacro("MRB_NO_STDIO", "1");
         if (MRB_INT64)
-            obj.defineCMacro("MRB_INT64", "1");
+            obj.root_module.addCMacro("MRB_INT64", "1");
 
         //  from <mruby/value.h>, <mach-o/getsect.h>
         if (target.result.os.tag == .macos)
@@ -1080,17 +1080,17 @@ pub fn build(b: *std.Build) !void {
             \\#include <mruby/variable.h>
             \\#include <mruby/array.h>
         ),
-        .target = b.host,
+        .target = b.graph.host,
         .optimize = .ReleaseFast,
     });
     {
-        translate_c.addIncludeDir(mruby_dep.path("include").getPath(b));
+        translate_c.addIncludePath(mruby_dep.path("include"));
     }
 
     // TODO: this won't be needed after translate-c supports bitfields
     const fix_translation_exe = b.addExecutable(.{
         .name = "fix-translation",
-        .target = b.host,
+        .target = b.graph.host,
         .optimize = .ReleaseFast,
         .root_source_file = b.path("src/fix_translation.zig"),
     });

build.zig.zon

@@ -3,7 +3,8 @@
 // SPDX-License-Identifier: MIT
 
 .{
-    .name = "mruby",
+    .name = .mruby,
+    .fingerprint = 0x4a9e46f0ee99188a,
     .version = "0.0.0",
     .paths = .{
         "src",

build/linenoise/.gitignore

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: © 2025 Mark Delk <[email protected]>
+#
+# SPDX-License-Identifier: MIT
+
+# linenoise's `example.c`: https://github.com/antirez/linenoise/blob/d895173d679be70bcd8b23041fff3e458e1a3506/example.c#L53
+history.txt

build/linenoise/build.zig.zon

@@ -3,7 +3,8 @@
 // SPDX-License-Identifier: MIT
 
 .{
-    .name = "linenoise",
+    .name = .linenoise,
+    .fingerprint = 0x2bc115ebcfc69e84,
     .version = "0.0.0",
     .paths = .{
         "build.zig",

src/example.zig

@@ -119,6 +119,9 @@ fn nil_method(mrb: [*c]mruby.mrb_state, self: mruby.mrb_value) callconv(.C) mrub
 //--
 
 const Foo = struct {
+    // NOTE: `@sizeOf(Foo)` must be non-zero for `mrb_malloc`.
+    data: u8 = 0,
+
     const Self = @This();
 
     pub fn init() !Self {
@@ -155,7 +158,11 @@ fn fooFree(mrb: ?*mruby.mrb_state, ptr: ?*anyopaque) callconv(.C) void {
 }
 
 fn fooInitalize(mrb: [*c]mruby.mrb_state, self: mruby.mrb_value) callconv(.C) mruby.mrb_value {
-    const foo: *Foo = @ptrCast(@alignCast(mruby.mrb_realloc(mrb, null, @sizeOf(Foo))));
+    const new_memory = mruby.mrb_malloc_simple(mrb, @sizeOf(Foo)) orelse {
+        @panic("mrb_malloc_simple returned NULL");
+    };
+
+    const foo: *Foo = @ptrCast(@alignCast(new_memory));
     const f = Foo.init() catch @panic("Foo.init()");
     foo.* = @as(*Foo, @ptrCast(@alignCast(@constCast(&f)))).*;
 

src/fix_translation.zig

@@ -43,7 +43,7 @@ pub fn main() !void {
         // logger.debug("{s}", .{line});
 
         if (std.mem.eql(u8, line, "    gc: mrb_gc = @import(\"std\").mem.zeroes(mrb_gc),")) {
-            _ = try writer.write("    gc: u128 = @import(\"std\").mem.zeroes([128]i1),");
+            _ = try writer.write("    gc: u128 = @import(\"std\").mem.zeroes(u128),");
         } else {
             _ = try writer.write(line);
         }