From 55323a513dd928b531941573176ce35c5455c05f Mon Sep 17 00:00:00 2001
From: Kazuki Sakamoto <sakamoto@splhack.org>
Date: Thu, 29 Oct 2015 07:03:57 -0700
Subject: [PATCH] Set MACOSX_DEPLOYMENT_TARGET to the runtime version if it
 wasn't set

---
 src/auto/configure | 5 +++++
 src/configure.in   | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/auto/configure b/src/auto/configure
index bc52880726..1f15311a85 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -4299,6 +4299,11 @@ $as_echo "no" >&6; }
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
+  else
+    if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
+      macosx_deployment_target=`/usr/bin/sw_vers -productVersion`
+      XCODEFLAGS="$XCODEFLAGS MACOSX_DEPLOYMENT_TARGET=$macosx_deployment_target"
+    fi
   fi
 
 
diff --git a/src/configure.in b/src/configure.in
index 2bfc4ec3a7..c882839473 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -187,6 +187,11 @@ if test "`(uname) 2>/dev/null`" = Darwin; then
         MACSDK=""
         CFLAGS="$save_cflags"
         LDFLAGS="$save_ldflags" ])
+  else
+    if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
+      macosx_deployment_target=`/usr/bin/sw_vers -productVersion`
+      XCODEFLAGS="$XCODEFLAGS MACOSX_DEPLOYMENT_TARGET=$macosx_deployment_target"
+    fi
   fi