From 0bbe32c2f8cb5662615b0ad742ba540e845d2154 Mon Sep 17 00:00:00 2001
From: Will <will@glozer.net>
Date: Wed, 17 Apr 2019 20:02:40 +0900
Subject: [PATCH] define MACOSX_DEPLOYMENT_TARGET on macos

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index d555f0a..98ededf 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ ifeq ($(TARGET), sunos)
 	LIBS   += -lsocket
 else ifeq ($(TARGET), darwin)
 	LDFLAGS += -pagezero_size 10000 -image_base 100000000
+	export MACOSX_DEPLOYMENT_TARGET = $(shell sw_vers -productVersion)
 else ifeq ($(TARGET), linux)
 	CFLAGS  += -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE -D_DEFAULT_SOURCE
 	LIBS    += -ldl