From 90dc754a9d3b6bc4fba6071752d3ee44278b1483 Mon Sep 17 00:00:00 2001
From: joerg <joerg@NetBSD.org>
Date: Tue, 17 Jul 2018 18:58:10 +0000
Subject: [PATCH] Ignore atomic alignment warnings on ARM. The compiler doesn't
 know that the library implementation will be fine.

---
 external/bsd/libc++/lib/Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/external/bsd/libc++/lib/Makefile b/external/bsd/libc++/lib/Makefile
index 4372636b4687..c5c7b34d3528 100644
--- a/external/bsd/libc++/lib/Makefile
+++ b/external/bsd/libc++/lib/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.11 2018/06/06 12:02:43 kamil Exp $
+#	$NetBSD: Makefile,v 1.12 2018/07/17 18:58:10 joerg Exp $
 
 LIB=		c++
 WARNS=		4
@@ -48,4 +48,8 @@ CWARNFLAGS.clang+=	-Wno-error=implicit-exception-spec-mismatch
 LDFLAGS+=	-Wl,-z,defs
 .endif
 
+.if !empty(MACHINE_ARCH:Marm*) || !empty(MACHINE_ARCH:Mearm*)
+CWARNFLAGS+=		-Wno-atomic-alignment
+.endif
+
 .include <bsd.lib.mk>