From c6f815a8efcc5444d3bf5391141633310f64355f Mon Sep 17 00:00:00 2001
From: mreid-tt <943378+mreid-tt@users.noreply.github.com>
Date: Sun, 19 Feb 2023 19:46:04 -0400
Subject: [PATCH] Exclude aarch64 on DSM 6.x (issue #3666)

---
 cross/mono/Makefile | 2 ++
 spk/mono/Makefile   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/cross/mono/Makefile b/cross/mono/Makefile
index 7f8483d1eb4..36f08351e79 100644
--- a/cross/mono/Makefile
+++ b/cross/mono/Makefile
@@ -14,6 +14,8 @@ LICENSE  = https://www.mono-project.com/docs/faq/licensing
 # Although qoriq can be compiled successfully it won't run as classic floating point unit not available
 # For details see: https://github.com/SynoCommunity/spksrc/issues/3470#issuecomment-469391052
 UNSUPPORTED_ARCHS = $(PPC_ARCHS)
+# Mono versions newer than 5.8.0 have an incompatibility with aarch64 on DSM 6.x (issue #3666)
+UNSUPPORTED_ARCHS_TCVERSION = aarch64-6.1
 
 PRE_CONFIGURE_TARGET = mono_pre_configure
 GNU_CONFIGURE = 1
diff --git a/spk/mono/Makefile b/spk/mono/Makefile
index ff4afb91e9c..a882dfbb1e2 100644
--- a/spk/mono/Makefile
+++ b/spk/mono/Makefile
@@ -10,6 +10,8 @@ REQUIRED_MIN_DSM = 5.0
 # Although qoriq can be compiled successfully it won't run as classic floating point unit not available
 # For details see: https://github.com/SynoCommunity/spksrc/issues/3470#issuecomment-469391052
 UNSUPPORTED_ARCHS = $(PPC_ARCHS)
+# Mono versions newer than 5.8.0 have an incompatibility with aarch64 on DSM 6.x (issue #3666)
+UNSUPPORTED_ARCHS_TCVERSION = aarch64-6.1
 
 MAINTAINER = hgy59
 DESCRIPTION = Cross platform, open source .NET development framework.