Index: head/math/qalculate/Makefile
===================================================================
--- head/math/qalculate/Makefile	(revision 424056)
+++ head/math/qalculate/Makefile	(revision 424057)
@@ -1,30 +1,30 @@
 # Created by: Sergey Akifyev <asa@gascom.ru>
 # $FreeBSD$
 
 PORTNAME=	qalculate
 PORTVERSION=	0.9.9
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math
 
 MAINTAINER=	jhale@FreeBSD.org
 COMMENT=	Multi-purpose desktop calculator (GTK+3 frontend)
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libcln.so:math/cln \
 		libqalculate.so:math/libqalculate
 RUN_DEPENDS=	gnuplot:math/gnuplot \
 		wget:ftp/wget
 
-USES=		autoreconf gettext gmake libtool:build localbase
+USES=		autoreconf gettext gmake libtool:build localbase pkgconfig
 USE_GNOME=	cairo gdkpixbuf2 gtk30 intltool libxml2
 GNU_CONFIGURE=	yes
 DATADIR=	share/${GH_PROJECT}
 DOCSDIR=	share/doc/${GH_PROJECT}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Qalculate
 GH_PROJECT=	${PORTNAME}-gtk
 
 .include <bsd.port.mk>