[gn build] (manually) port 933518fff82c

diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 4d7cdbe..faaaf04 100644 (file)
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -9,6 +9,7 @@ write_cmake_config("write_config") {
     "_LIBCPP_ABI_FORCE_ITANIUM=",
     "_LIBCPP_ABI_FORCE_MICROSOFT=",
     "_LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT=",
+    "_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY=",
     "_LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE=",
     "_LIBCPP_HAS_NO_STDIN=",
     "_LIBCPP_HAS_NO_STDOUT=",