--- vendor/universalchardet/Makefile.orig	2021-02-21 05:40:22 UTC
+++ vendor/universalchardet/Makefile
@@ -1,7 +1,7 @@
 include $(dir $(lastword $(MAKEFILE_LIST)))../../header.mk
 
 universalchardet_OBJ := $(subst .cpp,.o,$(wildcard $(d)*.cpp))
-universalchardet_CPPFLAGS := -D_X86_
+universalchardet_CPPFLAGS := -D_X86_ -D_LIBCPP_STDLIB_INCLUDE_NEXT
 
 LIB += universalchardet