apple-sdk: add hack for C++ issues on x86_64-darwin

2025-04-23 14:55:15 +01:00
parent cb1de51390
commit 04b49f4e8d
1 changed files with 16 additions and 0 deletions
@@ -38,5 +38,21 @@ self: super: {
        llvm-readtapi --filetype=tbd-v4 usr/lib/$libSystem~ -o usr/lib/$libSystem
        rm usr/lib/$libSystem~
      done
+
+      # Strip weak C++ symbols to work around `libc++` leakage in system
+      # frameworks for now. These are only present on `x86_64-darwin`, so
+      # it should hopefully be harmless.
+      #
+      # TODO FIXME: This is kind of horrible.
+      while read -r -d "" stub; do
+        printf 'Stripping weak C++ symbols from %s\n' "$stub"
+        llvm-readtapi --filetype=tbd-v5 "$stub" \
+        | jq '
+          (.main_library, .libraries[]?).exported_symbols[]?.data.weak[]? |=
+            select(startswith("__Z") | not)
+        ' > $stub~
+        llvm-readtapi --filetype=tbd-v4 $stub~ -o $stub
+        rm $stub~
+      done < <(find . -name '*.tbd' -print0)
    '';
 }