Index: math/frobby/Makefile
===================================================================
--- math/frobby/Makefile
+++ math/frobby/Makefile
@@ -1,9 +1,14 @@
-PORTNAME=		frobby
-PORTVERSION=		0.9.5
+PORTNAME=	frobby
+PORTVERSION=	0.9.5
 DISTVERSIONPREFIX=	v
-CATEGORIES=		math
+PORTREVISION=	1
+CATEGORIES=	math
 
-MAINTAINER=	ports@FreeBSD.org
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES=	5b9e4ac4057f5693f53c321eeb5bfb387f6b69fb.patch
+PATCH_DIST_STRIP=	-p1
+
+MAINTAINER=	salvadore@FreeBSD.org
 COMMENT=	Software system and project for computations with monomial ideals
 
 LICENSE=	GPLv2+
@@ -15,42 +20,51 @@
 USE_GITHUB=	yes
 GH_ACCOUNT=	Macaulay2
 
-BINARY_ALIAS=	make=gmake
 USE_LDCONFIG=	yes
 
-SHEBANG_FILES=	test/testScripts/* test/runTests test/runSplitTests \
-		test/latticeFormats/runtest*
+SHEBANG_FILES=	test/latticeFormats/runtest* test/runSplitTests test/runTests \
+		test/testScripts/*
+
+MAKE_ARGS+=	GMP_INC_DIR=${LOCALBASE}/include
+MAKE_ENV=	RANLIB=${RANLIB}
+
+LDFLAGS+=	-L${LOCALBASE}/lib
+
+BINARY_ALIAS=	make=gmake
 
 OPTIONS_DEFINE=		EXEDOCS LIBDOCS TEST
-OPTIONS_DEFAULT=	STATIC SHARED
+OPTIONS_DEFAULT=	SHARED STATIC
 OPTIONS_MULTI=		INSTALL
-OPTIONS_MULTI_INSTALL=	EXECUTABLE \
-			SHARED \
-			STATIC
+OPTIONS_MULTI_INSTALL=	EXECUTABLE SHARED STATIC
+OPTIONS_SUB=		yes
+EXECUTABLE_DESC=	Build and install frobby executable
 EXEDOCS_DESC=		Build and install documentation for frobby executable
 LIBDOCS_DESC=		Build and install documentation for frobby library
-EXECUTABLE_DESC=	Build and install frobby executable
 SHARED_DESC=		Build and install libfrobby.so
 STATIC_DESC=		Build and install libfrobby.a
-EXEDOCS_BUILD_DEPENDS=	latex:print/tex-formats \
-			dvips:print/tex-dvipsk
+EXEDOCS_BUILD_DEPENDS=	dvips:print/tex-dvipsk \
+			latex:print/tex-formats
 LIBDOCS_BUILD_DEPENDS=	doxygen:devel/doxygen \
 			epstopdf:print/texlive-base
 TEST_BUILD_DEPENDS=	bash:shells/bash
-OPTIONS_SUB=		yes
-
-MAKE_ARGS+=	GMP_INC_DIR=${LOCALBASE}/include
-MAKE_ENV=	RANLIB=${RANLIB}
-LDFLAGS+=	-L${LOCALBASE}/lib
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MSHARED} || ${PORT_OPTIONS:MSTATIC}
-PLIST_SUB+=	LIBRARY="" NO_LIBRARY="@comment "
+PLIST_SUB+=	LIBRARY="" \
+		NO_LIBRARY="@comment "
 .else
-PLIST_SUB+=	LIBRARY="@comment " NO_LIBRARY=""
+PLIST_SUB+=	LIBRARY="@comment " \
+		NO_LIBRARY=""
 .endif
 
+# The following variables should be defined to the same values
+# that can ben found in ${WRKSRC}/Makefile
+FROBBY_SOVERSION=	1
+FROBBY_AGE=		0
+FROBBY_REVISION=	0
+FROBBY_VERSION=		${FROBBY_SOVERSION}.${FROBBY_AGE}.${FROBBY_REVISION}
+
 do-build:
 
 do-build-EXEDOCS-on:
@@ -79,13 +93,14 @@
 
 do-install-SHARED-on:
 	${INSTALL_DATA} ${WRKSRC}/src/frobby.h ${STAGEDIR}${PREFIX}/include
-	${INSTALL_DATA} ${WRKSRC}/bin/libfrobby.so ${STAGEDIR}${PREFIX}/lib/libfrobby.so.0
-	cd ${STAGEDIR}${PREFIX}/lib &&	\
-	${LN} -sf libfrobby.so.0 ${STAGEDIR}${PREFIX}/lib/libfrobby.so
+	${INSTALL_LIB} ${WRKSRC}/bin/libfrobby.so.${FROBBY_VERSION} ${STAGEDIR}${PREFIX}/lib/libfrobby.so.${FROBBY_VERSION}
+	cd ${STAGEDIR}${PREFIX}/lib && \
+		${LN} -sf libfrobby.so.${FROBBY_VERSION} ${STAGEDIR}${PREFIX}/lib/libfrobby.so && \
+		${LN} -sf libfrobby.so.${FROBBY_VERSION} ${STAGEDIR}${PREFIX}/lib/libfrobby.so.${FROBBY_SOVERSION}
 
 do-install-STATIC-on:
 	${INSTALL_DATA} ${WRKSRC}/src/frobby.h ${STAGEDIR}${PREFIX}/include
-	${INSTALL_LIB} ${WRKSRC}/bin/libfrobby.a ${STAGEDIR}${PREFIX}/lib
+	${INSTALL_DATA} ${WRKSRC}/bin/libfrobby.a ${STAGEDIR}${PREFIX}/lib
 
 do-install-EXEDOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
Index: math/frobby/distinfo
===================================================================
--- math/frobby/distinfo
+++ math/frobby/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1641418085
+TIMESTAMP = 1650972050
 SHA256 (Macaulay2-frobby-v0.9.5_GH0.tar.gz) = 714c33c4f68e86d82062d7a42ad42c581d4b4c60d6a73ee1836ba1be7f985eb3
 SIZE (Macaulay2-frobby-v0.9.5_GH0.tar.gz) = 878560
+SHA256 (5b9e4ac4057f5693f53c321eeb5bfb387f6b69fb.patch) = 34f9e4d21b3733f549bf35ec8562a5a316a50251fac23c577c750db45d6f764a
+SIZE (5b9e4ac4057f5693f53c321eeb5bfb387f6b69fb.patch) = 1747
Index: math/frobby/pkg-plist
===================================================================
--- math/frobby/pkg-plist
+++ math/frobby/pkg-plist
@@ -1663,4 +1663,5 @@
 %%LIBRARY%%include/frobby.h
 %%STATIC%%lib/libfrobby.a
 %%SHARED%%lib/libfrobby.so
-%%SHARED%%lib/libfrobby.so.0
+%%SHARED%%lib/libfrobby.so.1
+%%SHARED%%lib/libfrobby.so.1.0.0