From fad73018275fe7845b8be18bf08363f6233cb96e Mon Sep 17 00:00:00 2001
From: Ryan Schmidt <git@ryandesign.com>
Date: Wed, 9 Feb 2022 20:19:43 -0600
Subject: [PATCH] vecLibFort.c: Fix build on OS X 10.9 and earlier

Only include the local macOS 11 SDK copy of vecLib.h when using the
macOS 12 SDK or later to prevent build failure when using the OS X 10.9
SDK or older.

Fixes #14
---
 vecLibFort.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vecLibFort.c b/vecLibFort.c
index f5ec7c3..91f4f8e 100644
--- a/vecLibFort.c
+++ b/vecLibFort.c
@@ -19,9 +19,11 @@
 /* Don't load the CLAPACK header, because we are using a different calling
    convention for the replaced functions than the ones listed there. */
 #define __CLAPACK_H
+#include <AvailabilityMacros.h>
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 120000
 #include "vecLib-760.100.h"
+#endif
 #include <Accelerate/Accelerate.h>
-#include <AvailabilityMacros.h>
 
 /* Add a SGEMV fix for Mavericks. See
   http://www.openradar.me/radar?id=5864367807528960 */