From f6174ec5bd9c2560f009c8c84170944b08535330 Mon Sep 17 00:00:00 2001
From: Patrick Bernardi <bernardi@adacore.com>
Date: Thu, 28 Oct 2021 15:05:17 -0400
Subject: [PATCH] [Ada] RTEMS: use atomic primitive packages on aarch64

gcc/ada/

	* Makefile.rtl: Add ATOMICS_TARGET_PAIRS and
	ATOMICS_BUILTINS_TARGET_PAIRS to LIBGNAT_TARGET_PAIRS for
	aarch64-rtems.
---
 gcc/ada/Makefile.rtl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index 8eaddde5639f..fb3f6f60a41b 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -2072,6 +2072,13 @@ ifeq ($(strip $(filter-out rtems%,$(target_os))),)
   ifeq ($(strip $(filter-out aarch64% riscv%,$(target_cpu))),)
     LIBGNAT_TARGET_PAIRS += a-nallfl.ads<libgnat/a-nallfl__wraplf.ads
   endif
+
+  # Target CPUs that support atomic primitives
+  ifeq ($(strip $(filter-out aarch64%,$(target_cpu))),)
+     LIBGNAT_TARGET_PAIRS += \
+       $(ATOMICS_TARGET_PAIRS) \
+       $(ATOMICS_BUILTINS_TARGET_PAIRS)
+  endif
 endif
 
 # PikeOS
-- 
2.47.2