REBASEME: Try to fix Hydra build

Author: sgillespie

flake.nix

@@ -46,6 +46,17 @@
           # target the same way nixpkgs does for isStatic platforms.
           static-liburing = final.liburing.overrideAttrs (old: {
             dontdisableStatic = true;
+            # Workaround for macOS builders: recreate man page symlinks that may be lost
+            # during source extraction when cross-compiling from Darwin to Linux
+            postUnpack = (old.postUnpack or "") + ''
+              if [ ! -L "$sourceRoot/man/IO_URING_CHECK_VERSION.3" ]; then
+                ln -sf io_uring_check_version.3 "$sourceRoot/man/IO_URING_CHECK_VERSION.3"
+                ln -sf io_uring_check_version.3 "$sourceRoot/man/IO_URING_VERSION_MAJOR.3"
+                ln -sf io_uring_check_version.3 "$sourceRoot/man/IO_URING_VERSION_MINOR.3"
+                ln -sf io_uring_major_version.3 "$sourceRoot/man/io_uring_major_version.3" 2>/dev/null || true
+                ln -sf io_uring_minor_version.3 "$sourceRoot/man/io_uring_minor_version.3" 2>/dev/null || true
+              fi
+            '';
             postInstall = ''
               # Always builds both static and dynamic libraries, so we need to remove the
               # dynamic libraries.