$NetBSD$

Fix build.

--- libcxx/src/CMakeLists.txt.orig	2024-10-16 08:25:59.076000355 +0000
+++ libcxx/src/CMakeLists.txt
@@ -232,7 +232,7 @@ if (LIBCXX_ENABLE_SHARED)
   # Maybe re-export symbols from libc++abi
   # In particular, we don't re-export the symbols if libc++abi is merged statically
   # into libc++ because in that case there's no dylib to re-export from.
-  if (APPLE AND LIBCXX_CXX_ABI MATCHES "libcxxabi$"
+  if (FALSE AND LIBCXX_CXX_ABI MATCHES "libcxxabi$"
             AND NOT LIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY)
     target_link_libraries(cxx_shared PRIVATE cxxabi-reexports)