Index: head/math/arpack-ng/Makefile
===================================================================
--- head/math/arpack-ng/Makefile	(revision 527594)
+++ head/math/arpack-ng/Makefile	(revision 527595)
@@ -1,78 +1,81 @@
 # Created by: bf <bf@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	arpack-ng
-DISTVERSION=	3.6.3
-PORTREVISION=	4
+DISTVERSION=	3.7.0-49
+DISTVERSIONSUFFIX=	-g35bffac
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Revised Argand library for solving large-scale eigenvalue problems
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BUILD_DEPENDS=	bash:shells/bash
 LIB_DEPENDS=	libmpich.so:net/mpich # MPI is incremental: it adds the libparpack.so lib, it is a candidate for a sub-package
 
-USES=		autoreconf:build fortran libtool
+USES=		autoreconf fortran libtool pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	opencollab
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-blas="${BLAS}" \
 		--with-lapack="${LAPACK}" \
 		--enable-mpi \
 		--disable-static \
 		--enable-icb
 LDFLAGS+=	-L${LOCALBASE}/lib
 TEST_TARGET=	check
 USE_LDCONFIG=	yes
+
+CONFIGURE_SHELL=	${LOCALBASE}/bin/bash # https://github.com/opencollab/arpack-ng/issues/252
 
 PORTDOCS=	*
 PORTEXAMPLES=	*
 
 CONFLICTS_INSTALL=	arpack
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 WITH_BLAS?=	blas
 
 .if ${WITH_BLAS} == "gotoblas"
 BLAS=		-lgoto2p
 LAPACK=		-lgoto2p
 LIB_DEPENDS+=	libgoto2p.so:math/gotoblas
 .elif ${WITH_BLAS} == "atlas"
 BLAS=		-lptf77blas
 LAPACK=		-lalapack -lptcblas
 LIB_DEPENDS+=	libptf77blas.so:math/atlas
 .elif ${WITH_BLAS} == "blas"
 BLAS=		-lblas
 LAPACK=		-llapack
 LIB_DEPENDS+=	libblas.so:math/blas \
 		liblapack.so:math/lapack
 .else
 IGNORE=		unknown value of WITH_BLAS: ${WITH_BLAS}
 .endif
 
 post-patch:
 	@${REINPLACE_CMD} -Ee 's|\(libdir\)(/pkgconfig)|(prefix)/libdata\1|' ${WRKSRC}/Makefile.am
 
 pre-configure:
 	@cd ${WRKSRC}; ./bootstrap
 	@${REINPLACE_CMD} -e '/BLAS_LIBS.*LAPACK_LIBS/ \
 	{s/LAPACK_LIBS/BLAS_LIBS/;s/BLAS_LIBS/LAPACK_LIBS/;}' \
 	${WRKSRC}/Makefile.in \
 	${WRKSRC}/arpack.pc.in \
 	${WRKSRC}/TESTS/Makefile.in
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/lib*arpack.so.*.*
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/DOCUMENTS && ${COPYTREE_SHARE} \* ${STAGEDIR}${DOCSDIR}
 
 post-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/EXAMPLES && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}
 
 .include <bsd.port.mk>
Index: head/math/arpack-ng/distinfo
===================================================================
--- head/math/arpack-ng/distinfo	(revision 527594)
+++ head/math/arpack-ng/distinfo	(revision 527595)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1538675107
-SHA256 (opencollab-arpack-ng-3.6.3_GH0.tar.gz) = 64f3551e5a2f8497399d82af3076b6a33bf1bc95fc46bbcabe66442db366f453
-SIZE (opencollab-arpack-ng-3.6.3_GH0.tar.gz) = 970355
+TIMESTAMP = 1583081742
+SHA256 (opencollab-arpack-ng-3.7.0-49-g35bffac_GH0.tar.gz) = 1eff89c00284d9315d1a6603dacc2b06b0b81ed38071b82ea2adb8859a6265c9
+SIZE (opencollab-arpack-ng-3.7.0-49-g35bffac_GH0.tar.gz) = 1010310
Index: head/math/arpack-ng/pkg-plist
===================================================================
--- head/math/arpack-ng/pkg-plist	(revision 527594)
+++ head/math/arpack-ng/pkg-plist	(revision 527595)
@@ -1,17 +1,20 @@
 include/arpack/arpack.h
 include/arpack/arpack.hpp
+include/arpack/arpackdef.h
 include/arpack/debug.h
 include/arpack/debug_c.h
 include/arpack/debug_c.hpp
 include/arpack/parpack.h
 include/arpack/parpack.hpp
 include/arpack/stat.h
 include/arpack/stat_c.h
 include/arpack/stat_c.hpp
+lib/cmake/arpack-ng-config-version.cmake
+lib/cmake/arpack-ng-config.cmake
 lib/libarpack.so
 lib/libarpack.so.2
-lib/libarpack.so.2.0.0
+lib/libarpack.so.2.1.0
 lib/libparpack.so
 lib/libparpack.so.2
-lib/libparpack.so.2.0.0
+lib/libparpack.so.2.1.0
 libdata/pkgconfig/arpack.pc