Index: head/math/cminpack/Makefile
===================================================================
--- head/math/cminpack/Makefile	(revision 502969)
+++ head/math/cminpack/Makefile	(revision 502970)
@@ -1,25 +1,27 @@
 # $FreeBSD$
 
 PORTNAME=	cminpack
 PORTVERSION=	1.3.6
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math
 
 MAINTAINER=	fernape@FreeBSD.org
 COMMENT=	Solving nonlinear equations and nonlinear least squares problems
 
 LICENSE_FILE=	${WRKSRC}/CopyrightMINPACK.txt
 
 USES=		cmake localbase
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	devernay
 
+CMAKE_OFF=	USE_BLAS
+
 OPTIONS_DEFINE=	EXAMPLES
 
 post-install-EXAMPLES-on:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC}/examples/ && ${COPYTREE_SHARE} "*.[ch] testdata" \
 		${STAGEDIR}${EXAMPLESDIR})
 
 .include <bsd.port.mk>