Merge pull request #14935 from ziglang/fix-macos-build2

link: move macOS kernel inode cache invalidation to MachO linker

1 files changed, 1 insertions, 20 deletions

diff --git a/src/link.zig b/src/link.zig
index e68f9c97d0..a919ffa999 100644
--- a/src/link.zig
+++ b/src/link.zig
@@ -418,26 +418,7 @@ pub const File = struct {
             .Exe => {},
         }
         switch (base.tag) {
-            .macho => if (base.file) |f| {
-                if (build_options.only_c) unreachable;
-                if (comptime builtin.target.isDarwin() and builtin.target.cpu.arch == .aarch64) {
-                    if (base.options.target.cpu.arch == .aarch64) {
-                        // XNU starting with Big Sur running on arm64 is caching inodes of running binaries.
-                        // Any change to the binary will effectively invalidate the kernel's cache
-                        // resulting in a SIGKILL on each subsequent run. Since when doing incremental
-                        // linking we're modifying a binary in-place, this will end up with the kernel
-                        // killing it on every subsequent run. To circumvent it, we will copy the file
-                        // into a new inode, remove the original file, and rename the copy to match
-                        // the original file. This is super messy, but there doesn't seem any other
-                        // way to please the XNU.
-                        const emit = base.options.emit orelse return;
-                        try emit.directory.handle.copyFile(emit.sub_path, emit.directory.handle, emit.sub_path, .{});
-                    }
-                }
-                f.close();
-                base.file = null;
-            },
-            .coff, .elf, .plan9, .wasm => if (base.file) |f| {
+            .coff, .elf, .macho, .plan9, .wasm => if (base.file) |f| {
                 if (build_options.only_c) unreachable;
                 if (base.intermediary_basename != null) {
                     // The file we have open is not the final file that we want to