@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.common,v 1.16 2023/04/27 05:43:12 wiz Exp $
+# $NetBSD: Makefile.common,v 1.17 2023/07/12 20:38:31 nia Exp $
 #
 # used by net/transmission-common/Makefile
 # used by net/transmission-gtk/Makefile
@@ -18,6 +18,9 @@
 COMMENT?=	Free, lightweight BitTorrent client
 # optionally, gnu-gpl-v3 instead of gnu-gpl-v2
 LICENSE=	gnu-gpl-v2 AND mit
+
+# Requires a C++17 compiler.
+GCC_REQD+=	7
 
 USE_LANGUAGES=		c c++
 USE_LIBTOOL=		yes