--- Makefile.orig	2019-03-15 21:14:43.000000000 -0700
+++ Makefile	2019-03-21 07:23:21.000000000 -0700
@@ -52,12 +52,6 @@
 MACOS :=
 ifneq (,$(findstring Darwin,$(shell uname)))
   MACOS := 1
-  ifeq (1,$(shell uname -r | awk -F. '{ if ($$1 > 12 && $$1 < 16) print 1; }'))
-	CXXFLAGS += -stdlib=libstdc++
-  endif
-  ifdef STATIC_BUILD
-	CXXFLAGS += -mmacosx-version-min=10.9
-  endif
 endif
 
 BITS := 32