Replace USE_GCC=4.8+ by USE_GCC=yes. Both are equivalent as of today,

and generally we want to use the default version of GCC in cases like
these.

Approved by:	portmgr blanket

databases/tarantool/Makefile

@@ -15,7 +15,7 @@ LICENSE=	BSD2CLAUSE
 TR_REV=		130-ge3f2420
 MAKE_JOBS_UNSAFE=yes
 USES=		cmake compiler:c++11-lang gettext gmake perl5 readline
-USE_GCC=	4.8+ # clang bug PR/201270
+USE_GCC=	yes # clang bug PR/201270
 USE_LDCONFIG=	yes
 USE_RC_SUBR=	${PORTNAME}
 SUB_FILES=	pkg-message

dns/dnsdist/Makefile

@@ -19,7 +19,7 @@ LIB_DEPENDS=	libboost_serialization.so:${PORTSDIR}/devel/boost-libs \
 CXXFLAGS+=	-D_GLIBCXX_USE_C99
 LDFLAGS+=	-L${LOCALBASE}/lib -latomic
 GNU_CONFIGURE=	yes
-USE_GCC=	4.8+
+USE_GCC=	yes
 USES=		bison cpe gmake libtool lua:52 pkgconfig readline tar:bz2
 CONFIGURE_ARGS=	--enable-libsodium
 INSTALL_TARGET=	install-strip

net-im/telegram/Makefile

@@ -32,7 +32,7 @@ PORTDOCS=	*
 .include <bsd.port.pre.mk>
 
 .if ${OSVERSION} < 1000024
-USE_GCC=	4.8+
+USE_GCC=	yes
 .endif
 
 post-extract:

www/node/Makefile

@@ -39,7 +39,7 @@ CFLAGS+=	-Wno-unused-const-variable
 .endif
 .else
 MAKE_ARGS+=	strictaliasing=off
-USE_GCC=	4.8+
+USE_GCC=	yes
 .endif
 
 post-patch: