$NetBSD$

Fix build.

--- libcxx/src/CMakeLists.txt.orig	2025-12-12 10:35:47.000000000 +0000
+++ libcxx/src/CMakeLists.txt
@@ -209,7 +209,7 @@ endif()
 
 # Maybe force some symbols to be weak, not weak or not exported.
 # TODO: This shouldn't depend on the platform, and ideally it should be done in the sources.
-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
     "-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/notweak.exp"
