Index: head/math/liblbfgs/Makefile
===================================================================
--- head/math/liblbfgs/Makefile	(revision 457251)
+++ head/math/liblbfgs/Makefile	(revision 457252)
@@ -1,42 +1,41 @@
 # Created by: Hung-Yi Chen <gaod@hychen.org>
 # $FreeBSD$
 
 PORTNAME=	liblbfgs
 PORTVERSION=	1.10
 PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	GHC
 
 MAINTAINER=	gaod@hychen.org
 COMMENT=	Library of Limited-memory Broyden-Fletcher-Goldfarb-Shanno
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		libtool
 USE_GITHUB=	yes
 GH_ACCOUNT=	chokkan
 GNU_CONFIGURE=	yes
-USE_AUTOTOOLS=	autoconf:env
 
 OPTIONS_DEFINE=	OPTIMIZED DOCS
 OPTIMIZED_DESC=	SSE2 optimization routines
 
 .include <bsd.port.options.mk>
 
 # Enable/disable compilation optimizations.
 .if ${PORT_OPTIONS:MOPTIMIZED}
 CONFIGURE_ARGS+=	--enable-sse2
 .endif
 
 PLIST_FILES=	lib/liblbfgs-1.10.so lib/liblbfgs.a \
 		lib/liblbfgs.so include/lbfgs.h
 
 PORTDOCS=	README INSTALL COPYING AUTHORS ChangeLog NEWS
 
 post-patch:
 .if !${PORT_OPTIONS:MDOCS}
 	@${REINPLACE_CMD} -e 's/install-data-am$$//' ${WRKSRC}/Makefile.in
 .endif
 
 .include <bsd.port.mk>