diff --git a/math/bliss/Makefile b/math/bliss/Makefile
index d975c7618a9d..4800948e6bf6 100644
--- a/math/bliss/Makefile
+++ b/math/bliss/Makefile
@@ -1,24 +1,25 @@
 PORTNAME=	bliss
 DISTVERSION=	0.73
+PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.tcs.hut.fi/Software/bliss/
 PKGNAMESUFFIX=	-graph-tool
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tool for computing automorphism groups and canonical forms of graphs
 WWW=		http://www.tcs.hut.fi/Software/bliss/index.html
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		gmake zip
 
 MAKE_ARGS=	CC=${CXX}
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
-	${INSTALL_DATA} ${WRKSRC}/libbliss.a ${STAGEDIR}${PREFIX}/lib
+	${INSTALL_LIB} ${WRKSRC}/libbliss.so ${STAGEDIR}${PREFIX}/lib
 	${MKDIR} ${STAGEDIR}${PREFIX}/include/${PORTNAME}
 	${CP} ${WRKSRC}/*.hh ${WRKSRC}/*.h ${STAGEDIR}${PREFIX}/include/${PORTNAME}
 
 .include <bsd.port.mk>
diff --git a/math/bliss/files/patch-Makefile b/math/bliss/files/patch-Makefile
index c7f1b6191347..8d167b219a34 100644
--- a/math/bliss/files/patch-Makefile
+++ b/math/bliss/files/patch-Makefile
@@ -1,15 +1,34 @@
 --- Makefile.orig	2015-09-01 07:23:10 UTC
 +++ Makefile
 @@ -1,9 +1,9 @@
 -CFLAGS = -I.
 -CFLAGS += -g
 +CFLAGS += -I.
 +#CFLAGS += -g
  #CFLAGS += -pg
  CFLAGS += -Wall
  CFLAGS += --pedantic
 -CFLAGS += -O9
 +#CFLAGS += -O9
  #CFLAGS += -DBLISS_DEBUG
  CFLAGS += -fPIC
  
+@@ -20,7 +20,7 @@ AR = ar
+ CC = g++
+ RANLIB = ranlib
+ AR = ar
+-BLISSLIB = libbliss.a
++BLISSLIB = libbliss.so
+ 
+ gmp:	LIB += -lgmp
+ gmp:	CFLAGS += -DBLISS_USE_GMP
+@@ -36,8 +36,7 @@ lib: $(OBJS)
+ 
+ lib: $(OBJS)
+ 	rm -f $(BLISSLIB)
+-	$(AR) cr $(BLISSLIB) $(OBJS)
+-	$(RANLIB) $(BLISSLIB)
++	$(CC) -shared $(LDFLAGS) -o $(BLISSLIB) $(OBJS)
+ 
+ lib_gmp: $(GMPOBJS)
+ 	rm -f $(BLISSLIB)
diff --git a/math/bliss/pkg-plist b/math/bliss/pkg-plist
index 11d8c8c9a877..67c7120168c9 100644
--- a/math/bliss/pkg-plist
+++ b/math/bliss/pkg-plist
@@ -1,14 +1,14 @@
 bin/bliss
 include/bliss/bignum.hh
 include/bliss/bliss_C.h
 include/bliss/defs.hh
 include/bliss/graph.hh
 include/bliss/heap.hh
 include/bliss/kqueue.hh
 include/bliss/kstack.hh
 include/bliss/orbit.hh
 include/bliss/partition.hh
 include/bliss/timer.hh
 include/bliss/uintseqhash.hh
 include/bliss/utils.hh
-lib/libbliss.a
+lib/libbliss.so
diff --git a/math/polymake/Makefile b/math/polymake/Makefile
index 193dc3bf8ab4..b0a90401376f 100644
--- a/math/polymake/Makefile
+++ b/math/polymake/Makefile
@@ -1,205 +1,205 @@
 PORTNAME=	polymake
 DISTVERSION=	4.13
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	math
 MASTER_SITES=	https://github.com/${PORTNAME}/${PORTNAME}/releases/download/V${DISTVERSION}/ \
 		https://polymake.org/lib/exe/fetch.php/download/
 DISTNAME=	${PORTNAME}-${DISTVERSION}-minimal
 
 MAINTAINER=	bsd@philippost.de
 COMMENT=	Software package for research in polyhedral geometry
 WWW=		https://www.polymake.org/
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	boost-libs>=1.72:devel/boost-libs \
 		ninja:devel/ninja \
 		permlib>=0.2.9:math/permlib \
 		p5-XML-SAX>=1.02:textproc/p5-XML-SAX \
 		p5-XML-Writer>=0.900:textproc/p5-XML-Writer \
 		p5-Term-ReadLine-Gnu>=1.37:devel/p5-Term-ReadLine-Gnu \
 		p5-Term-ReadKey>=2.38:devel/p5-Term-ReadKey \
 		p5-JSON>=2.97:converters/p5-JSON
 LIB_DEPENDS=	libcddgmp.so:math/cddlib \
 		libflint.so:math/flint2 \
 		libgmpxx.so:math/gmp \
 		libmpfr.so:math/mpfr
 RUN_DEPENDS=	bash>=5.0:shells/bash \
 		boost-libs>=1.72:devel/boost-libs \
 		permlib>=0.2.9:math/permlib \
 		p5-XML-SAX>=1.02:textproc/p5-XML-SAX \
 		p5-XML-Writer>=0.900:textproc/p5-XML-Writer \
 		p5-Term-ReadLine-Gnu>=1.37:devel/p5-Term-ReadLine-Gnu \
 		p5-Term-ReadKey>=2.38:devel/p5-Term-ReadKey \
 		p5-JSON>=2.97:converters/p5-JSON
 
 USES=		compiler:c++14-lang gmake gnome perl5 readline shebangfix \
 		tar:bzip2
 USE_GNOME=	libxml2 libxslt
 USE_LDCONFIG=	${PREFIX}/lib
 USE_PERL5=	build run
 
 SHEBANG_FILES=	resources/host-agent/bin/env resources/host-agent/bin/polymake
 SHEBANG_GLOB=	*.pl *.sh
 
 # polymake's configure script expects options to be disabled by --without-option
 # and most options to be enabled by --with-option=DIR
 HAS_CONFIGURE=	yes
 CONFIGURE_ARGS=	--prefix=${PREFIX} \
 		--exec-prefix=${PREFIX} \
 		--bindir=${PREFIX}/bin \
 		--includedir=${PREFIX}/include \
 		--libdir=${PREFIX}/lib \
 		--libexecdir=${PREFIX}/libexec/polymake \
 		--datadir=${PREFIX}/share/polymake \
 		--docdir=${DOCSDIR} \
 		--without-prereq \
 		--with-libcxx \
 		--with-cdd=${LOCALBASE} \
 		--with-flint=${LOCALBASE} \
 		--with-permlib=${LOCALBASE}/lib \
 		--without-java \
 		--without-javaview \
 		--without-native \
 		--without-sympol
 CONFIGURE_LOG=	build/bundled.log
 
 # Optional features; SoPlex defaults to off due to licencsing and SCIP defaults
 # to off due to a dependency on libsoplex.so.
 OPTIONS_DEFINE=	LRS NORMALIZ OPENMP OPTIMIZED_CFLAGS PPL SCIP SINGULAR SOPLEX TESTS
 OPTIONS_DEFAULT=	BLISS LRS NORMALIZ OPENMP OPTIMIZED_CFLAGS PPL SINGULAR
 # Exlude lrslib on i386 and powerpc because it is marked BROKEN for those
 # architectures
 OPTIONS_EXCLUDE_i386=	LRS
 OPTIONS_EXCLUDE_powerpc=	LRS
 OPTIONS_SUB=	yes
 
 # polymake needs either math/bliss or math/nauty to compute graph automorphism
 # groups
 OPTIONS_SINGLE=	GRAPH
 OPTIONS_SINGLE_GRAPH=	BLISS NAUTY
 
 BLISS_DESC=	Compute graph automorphism groups using bliss
 GRAPH_DESC=	Graph automorphism groups
 LRS_DESC=	Convex hull computation and vertex enumeration
 NAUTY_DESC=	Compute graph automorphism groups using nauty
 NORMALIZ_DESC=	Computations in affine monoids and lattice polytopes
 PPL_DESC=	Manipulation of convex polyhedra
 SCIP_DESC=	Solver for mixed integer linear and nonlinear problems
 SINGULAR_DESC=	Computation of Groebner bases
 SOPLEX_DESC=	Solver for linear programming problems
 TESTS_DESC=	Run bundled self tests after build
 
 BLISS_CONFIGURE_ON=	--with-bliss=${LOCALBASE}
 BLISS_CONFIGURE_OFF=	--without-bliss
-BLISS_BUILD_DEPENDS=	bliss-graph-tool>=0.73:math/bliss
+BLISS_BUILD_DEPENDS=	bliss-graph-tool>=0.73:math/bliss # does it need the tool or the library? LIB_DEPENDS should be used in the latter case.
 BLISS_RUN_DEPENDS=	bliss-graph-tool>=0.73:math/bliss
 
 NAUTY_CONFIGURE_ON=	--with-nauty=${LOCALBASE}
 NAUTY_CONFIGURE_OFF=	--without-nauty
 NAUTY_LIB_DEPENDS=	libnauty.so:math/nauty
 
 LRS_CONFIGURE_ON=	--with-lrs=${LOCALBASE} \
 			--with-lrs-include=${LOCALBASE}/include/lrslib
 LRS_CONFIGURE_OFF=	--without-lrs
 LRS_LIB_DEPENDS=	liblrs.so:math/lrslib
 
 NORMALIZ_CONFIGURE_ON=	--with-libnormaliz=${LOCALBASE}
 NORMALIZ_CONFIGURE_OFF=	--without-libnormaliz
 NORMALIZ_LIB_DEPENDS=	libnormaliz.so:math/libnormaliz
 
 OPENMP_CONFIGURE_OFF=	--without-openmp
 
 OPTIMIZED_CFLAGS_CFLAGS=	-O3
 
 PPL_CONFIGURE_ON=	--with-ppl=${LOCALBASE}
 PPL_CONFIGURE_OFF=	--without-ppl
 PPL_LIB_DEPENDS=	libppl.so:devel/ppl
 
 SCIP_CONFIGURE_ON=	--with-scip=${LOCALBASE}
 SCIP_CONFIGURE_OFF=	--without-scip
 SCIP_LIB_DEPENDS=	libscip.so:math/SCIP
 
 SINGULAR_CONFIGURE_ON=	--with-singular=${LOCALBASE}
 SINGULAR_CONFIGURE_OFF=	--without-singular
 SINGULAR_LIB_DEPENDS=	libSingular.so:math/singular
 
 SOPLEX_CONFIGURE_ON=	--with-soplex=${LOCALBASE}
 SOPLEX_CONFIGURE_OFF=	--without-soplex
 SOPLEX_LIB_DEPENDS=	libsoplex-pic.so:math/SoPlex
 
 TESTS_VARS=	USE_PERL5+=test
 
 # The port uses the minimal distribution tarball without bundled libraries.
 # Set WRKSRC accordingly.
 WRKSRC=		${WRKDIR}/${PORTNAME}-${DISTVERSION}
 
 .include <bsd.port.options.mk>
 
 # Deal with site specific installation directory
 # polymake installs a perlxs module which depends on the perl configuration
 PERL_ARCHNAME=	${:!${PERL} -E 'use Config; print "\$Config::Config{archname}";'!}
 PLIST_FILES=	libexec/polymake/perlx/${PERL_VERSION}/${PERL_ARCHNAME}/auto/Polymake/Ext/Ext.so
 
 # Keep track of the major version
 DISTVERSION_MAJ=	${:!expr ${DISTVERSION} : '\([0-9]*\).*'!}
 
 post-install:
 	${RLN} ${STAGEDIR}${PREFIX}/lib/libpolymake.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/libpolymake.so.${DISTVERSION_MAJ}
 	${RLN} ${STAGEDIR}${PREFIX}/lib/libpolymake.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/libpolymake.so
 
 	${STRIP_CMD} \
 		${STAGEDIR}${PREFIX}/lib/libpolymake.so.${DISTVERSION} \
 
 .for _lp in libpolymake-apps libpolymake-apps-rt
 	${RLN} ${STAGEDIR}${PREFIX}/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/${_lp}.so.${DISTVERSION_MAJ}
 	${RLN} ${STAGEDIR}${PREFIX}/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/lib/${_lp}.so
 
 	${RLN} ${STAGEDIR}${PREFIX}/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so.${DISTVERSION_MAJ}
 	${RLN} ${STAGEDIR}${PREFIX}/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so
 
 	${RLN} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so.${DISTVERSION_MAJ}
 	${RLN} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so.${DISTVERSION} \
 		${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so
 # strip the libraries
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/${_lp}.so.${DISTVERSION}
 .endfor
 
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/polymake/perlx/${PERL_VERSION}/${PERL_ARCHNAME}/auto/Polymake/Ext/Ext.so
 
 .for l in common fan fulton graph group matroid polytope topaz tropical
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/${l}.so
 .endfor
 
 # only strip libexec/polymake/lib/ideal.so iff SINGULAR=on, if SINGULAR=off it
 # is an empty file and stripping fails
 .if ${PORT_OPTIONS:MSINGULAR}
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/ideal.so
 .endif
 
 .for lp in libpolymake-apps libpolymake-apps-rt
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/libexec/polymake/lib/${lp}.so.${DISTVERSION}
 .endfor
 
 post-install-TESTS-on: test
 
 # Set HOME=${WRKDIR} to prevent polymake writing its .polymake directory outside
 # WRKDIR.
 test:
 	@cd ${WRKSRC} && HOME=${WRKDIR} perl/polymake --script run_testcases
 
 .include <bsd.port.pre.mk>
 
 .if ${PERL_LEVEL} >= 504200
 BROKEN=	polymake has not been checked for compatibility with perl 5.42 or newer
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/math/sympol/Makefile b/math/sympol/Makefile
index 4bc3c85b1174..c7fc1bbe9199 100644
--- a/math/sympol/Makefile
+++ b/math/sympol/Makefile
@@ -1,44 +1,44 @@
 PORTNAME=	sympol
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.1.9
-PORTREVISION=	14
+PORTREVISION=	15
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ library and tool to work with symmetric polyhedra
 WWW=		https://www.math.uni-rostock.de/~rehn/software/sympol.html
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-BUILD_DEPENDS=	${LOCALBASE}/lib/libbliss.a:math/bliss \
-		permlib>0:math/permlib
-LIB_DEPENDS=	libboost_program_options.so:devel/boost-libs \
+BUILD_DEPENDS=	permlib>0:math/permlib
+LIB_DEPENDS=	libbliss.so:math/bliss \
+		libboost_program_options.so:devel/boost-libs \
 		libcddgmp.so:math/cddlib \
 		libgmp.so:math/gmp
 
 USES=		cmake:testing compiler:c++11-lang eigen:3 localbase:ldflags perl5 shebangfix
 USE_CXXSTD=	c++14
 USE_PERL5=	test
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	tremlin
 GH_PROJECT=	SymPol
 
 SHEBANG_GLOB=	*.pl
 
 CMAKE_ARGS=		-DBLISS_INCLUDE_DIR=${LOCALBASE}/include/bliss
 CMAKE_TESTING_ON=	BUILD_TESTS # test 'perltest' fails with 'output format mismatch', see https://github.com/tremlin/SymPol/issues/1
 
 post-install:
 	@${RM} ${STAGEDIR}${PREFIX}/lib/libcddgmp.so
 	# fix incorrect subdirectories in #include statements, see https://github.com/tremlin/SymPol/issues/2
 	@${REINPLACE_CMD} -i '' -e 's|#include "yal/|#include "|' ${STAGEDIR}${PREFIX}/include/sympol/*.h
 	@${REINPLACE_CMD} -i '' -e 's|#include "\.\./matrix/|#include "|' ${STAGEDIR}${PREFIX}/include/sympol/*.h
 	@${REINPLACE_CMD} -i '' -e 's|#include "\.\./|#include "|' ${STAGEDIR}${PREFIX}/include/sympol/*.h
 
 pre-test: # correct the build directory path
 	@${REINPLACE_CMD} -e "s|'\\.\\./build/release'|'${BUILD_WRKSRC}'|" ${WRKSRC}/contrib/test-sympol.pl
 
 .include <bsd.port.mk>