From 348c10112de61df7e66ea2d5a190700213542caa Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 4 Jul 2023 10:14:08 -0700
Subject: [PATCH] devel/freebsd-gcc9: Build with -std=c++11.

This works around errors from clang from LLVM16 due to -Wregister
warnings that are fatal in the default C++ standard (C++17) used by
clang 16.
---
 devel/freebsd-gcc9/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/devel/freebsd-gcc9/Makefile b/devel/freebsd-gcc9/Makefile
index 79d93195ca769..fd4ca08eb7549 100644
--- a/devel/freebsd-gcc9/Makefile
+++ b/devel/freebsd-gcc9/Makefile
@@ -26,6 +26,8 @@ TARGETARCH=	${FLAVOR}
 USES=		compiler:c++11-lang cpe gmake iconv libtool makeinfo tar:xz
 CPE_VENDOR=	gnu
 
+CXXFLAGS+=	-std=c++11
+
 PLIST_SUB=	OPSYS=${OPSYS:tl} \
 		SUFFIX=${SUFFIX} \
 		TARGETARCH=${TARGETARCH} \