Index: head/devel/libdap/Makefile
===================================================================
--- head/devel/libdap/Makefile	(revision 412771)
+++ head/devel/libdap/Makefile	(revision 412772)
@@ -1,31 +1,32 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	libdap
 PORTVERSION=	3.17.0
 CATEGORIES=	devel
 MASTER_SITES=	http://www.opendap.org/pub/source/ \
 		LOCAL/sunpoet
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	SDK which contains an implementation of DAP 2.0 and 3.1
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libuuid.so:misc/e2fsprogs-libuuid \
 		libxml2.so:textproc/libxml2
 
+CONFIGURE_ARGS=	ac_cv_type_max_align_t=yes
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 USES=		bison charsetfix gmake libtool localbase pathfix
 
 .include <bsd.port.pre.mk>
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1100000
 EXTRA_PATCHES+=	${FILESDIR}/extra-patch-dds.yy
 .endif
 
 .include <bsd.port.post.mk>