Unbreak. Their home-grown way of configuring is so...quaint that it makes

me want to barf. What's actually going on is that for some reason 'bsconf'
(go figure) doesn't like us setting CXX='c++' and thus can't detect our
headers.

devel/ustl/Makefile

@@ -23,10 +23,14 @@ USE_REINPLACE=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION:R}
 HAS_CONFIGURE=	yes
 USE_GMAKE=	yes
+MAKE_ARGS=	CXX="${CXX}" CXXFLAGS="${CXXFLAGS}"
 ALL_TARGET=	# empty
 
 PLIST_FILES=	lib/libustl.a
 
+do-configure:
+	cd ${WRKSRC} && ./configure
+
 post-patch:
 	@${REINPLACE_CMD} -e "s,/bin/bash,${LOCALBASE}/bin/bash," ${WRKSRC}/configure
 	@${REINPLACE_CMD} -e "s|SIZE_MAX|UINT_MAX|" ${WRKSRC}/memblock.h