From e5e12f28561ecff5aead13b2bffe6d226a94ad7b Mon Sep 17 00:00:00 2001
From: Stefan Weil <sw@weilnetz.de>
Date: Mon, 6 Sep 2021 17:06:54 +0200
Subject: [PATCH] Disable HAVE_FRAMEWORK_ACCELERATE for compilers which fail to
 compile with it

g++-10 and g++-11 throw compiler errors in builds with the
Accelerate framework, so disable it for all GNU compilers
before version 12 (which still has to be tested).

Signed-off-by: Stefan Weil <sw@weilnetz.de>
---
 src/arch/simddetect.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/arch/simddetect.cpp b/src/arch/simddetect.cpp
index 4bc0ba036a..bb0efcf5d4 100644
--- a/src/arch/simddetect.cpp
+++ b/src/arch/simddetect.cpp
@@ -25,6 +25,12 @@
 #include "simddetect.h"
 #include "tprintf.h" // for tprintf
 
+#if !defined(__clang__) && defined(__GNUC__) && (__GNUC__ < 12)
+// The GNU compiler g++ fails to compile with the Accelerate framework
+// (tested with versions 10 and 11), so unconditionally disable it.
+#undef HAVE_FRAMEWORK_ACCELERATE
+#endif
+
 #if defined(HAVE_FRAMEWORK_ACCELERATE)
 
 // Use Apple Accelerate framework.