diff --git a/Makefile-variables b/Makefile-variables
index 8911db7..381c743 100644
--- a/Makefile-variables
+++ b/Makefile-variables
@@ -4,6 +4,7 @@ MACOS_VER_MINOR			:= $(shell echo $(MACOS_VER_NUM) | cut -f2 -d.)
 MACOS_LT_10_11			:= $(shell [ $(MACOS_VER_MAJOR) -eq 10 -a $(MACOS_VER_MINOR) -lt 11 ] && echo true)
 MACOS_LT_10_13			:= $(shell [ $(MACOS_VER_MAJOR) -eq 10 -a $(MACOS_VER_MINOR) -lt 13 ] && echo true)
 MACOS_LT_11			:= $(shell [ $(MACOS_VER_MAJOR) -eq 10 -a $(MACOS_VER_MINOR) -lt 15 ] || [ $(MACOS_VER_MAJOR) -lt 11 ] && echo true)
+MACOS_LT_12			:= $(shell [ $(MACOS_VER_MAJOR) -eq 10 -a $(MACOS_VER_MINOR) -lt 16 ] || [ $(MACOS_VER_MAJOR) -lt 12 ] && echo true)
 export MACOSX_DEPLOYMENT_TARGET := $(MACOS_VER_MAJOR).$(MACOS_VER_MINOR)
 VERSION=0.1
 COMPAT_VERSION := $(shell echo $(VERSION) | cut -f1 -d.).0