pkg/highway: upgrade to fix compilation issues on LLVM18

1 files changed, 21 insertions, 1 deletions

diff --git a/pkg/simdutf/build.zig b/pkg/simdutf/build.zig
index cbcc3ed68..40058ed78 100644
--- a/pkg/simdutf/build.zig
+++ b/pkg/simdutf/build.zig
@@ -1,8 +1,28 @@
 const std = @import("std");
 
 pub fn build(b: *std.Build) !void {
-    const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
+    const target = target: {
+        var query = b.standardTargetOptionsQueryOnly(.{});
+
+        // This works around a Zig 0.14 bug where targeting an iOS
+        // simulator sets our CPU model to be "apple_a7" which is
+        // too outdated to support SIMD features and is also wrong.
+        // Simulator binaries run on the host CPU so target native.
+        //
+        // We can remove this when the following builds without
+        // issue without this line:
+        //
+        //   zig build -Dtarget=aarch64-ios.17.0-simulator
+        //
+        if (query.abi) |abi| {
+            if (abi == .simulator) {
+                query.cpu_model = .native;
+            }
+        }
+
+        break :target b.resolveTargetQuery(query);
+    };
 
     const lib = b.addStaticLibrary(.{
         .name = "simdutf",