diff -dpruN /usr/ports/math/libtommath/Makefile ./Makefile
--- /usr/ports/math/libtommath/Makefile	2015-11-14 20:27:12.000000000 +0000
+++ ./Makefile	2016-02-16 07:58:47.000000000 +0000
@@ -1,17 +1,17 @@
 # $FreeBSD: head/math/libtommath/Makefile 401594 2015-11-14 20:27:12Z amdmi3 $
 
 PORTNAME=	libtommath
-PORTVERSION=	0.42.0
-PORTREVISION=	2
+PORTVERSION=	1.0
+#PORTREVISION=	0
 CATEGORIES=	math
-MASTER_SITES=	http://libtom.net/files/
+MASTER_SITES=	https://github.com/libtom/libtommath/releases/download/v${PORTVERSION}/
 DISTNAME=	ltm-${PORTVERSION}
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Comprehensive, modular, and portable mathematical routines
 
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
-USES=		gmake tar:bzip2
+USES=		gmake tar:xz
 ALL_TARGET=	default
 CFLAGS+=	-fPIC
 PORTDOCS=	*
@@ -24,14 +24,10 @@ OPTIONS_DEFINE=	DOCS SHARED
 SHARED_DESC=	Build shared library
 SHARED_USES=		libtool:build
 SHARED_USE=		LDCONFIG=yes
-SHARED_PLIST_FILES=	lib/libtommath.so lib/libtommath.so.0 lib/libtommath.so.0.0.41
+SHARED_PLIST_FILES=	lib/libtommath.so lib/libtommath.so.1 lib/libtommath.so.1.0.0
 SHARED_VARS=		MAKEFILE=makefile.shared
 SHARED_VARS_OFF=	MAKEFILE=makefile
 
-post-patch:
-	${REINPLACE_CMD} -e 's|gcc|${CC}|g' ${WRKSRC}/makefile.shared
-	${REINPLACE_CMD} -e 's|DESTDIR=|DESTDIR?=| ; s|-g $$(GROUP) -o $$(USER)||' ${WRKSRC}/${MAKEFILE}
-
 post-install:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/bn.pdf ${STAGEDIR}${DOCSDIR}
@@ -39,7 +35,7 @@ post-install:
 	${INSTALL_DATA} ${WRKSRC}/tommath.pdf ${STAGEDIR}${DOCSDIR}
 
 post-install-SHARED-on:
-	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libtommath.so.0
+	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libtommath.so.1
 
 regression-test:
 	(cd ${WRKSRC}; \
diff -dpruN /usr/ports/math/libtommath/distinfo ./distinfo
--- /usr/ports/math/libtommath/distinfo	2014-01-22 15:30:13.000000000 +0000
+++ ./distinfo	2016-02-16 06:25:00.000000000 +0000
@@ -1,2 +1,2 @@
-SHA256 (ltm-0.42.0.tar.bz2) = 7b5c258304c34ac5901cfddb9f809b9b3b8ac7d04f700cf006ac766a923eb217
-SIZE (ltm-0.42.0.tar.bz2) = 1968961
+SHA256 (ltm-1.0.tar.xz) = 993a7df9ee091fca430cdde3263df57d88ef62af8103903214da49fc51bbb56c
+SIZE (ltm-1.0.tar.xz) = 2191540
diff -dpruN /usr/ports/math/libtommath/files/patch-makefile ./files/patch-makefile
--- /usr/ports/math/libtommath/files/patch-makefile	2013-04-18 13:27:18.000000000 +0000
+++ ./files/patch-makefile	1970-01-01 00:00:00.000000000 +0000
@@ -1,57 +0,0 @@
---- makefile.bak	2010-07-30 12:05:21.219322050 +0200
-+++ makefile	2010-07-30 12:07:19.588144344 +0200
-@@ -14,7 +14,7 @@
- ifndef IGNORE_SPEED
- 
- #for speed 
--CFLAGS += -O3 -funroll-loops
-+CFLAGS += -funroll-loops
- 
- #for size 
- #CFLAGS += -Os
-@@ -53,9 +53,9 @@
- #INCPATH-The directory to install the header files for libtommath.
- #DATAPATH-The directory to install the pdf docs.
- DESTDIR=
--LIBPATH=/usr/lib
--INCPATH=/usr/include
--DATAPATH=/usr/share/doc/libtommath/pdf
-+LIBPATH=${PREFIX}/lib
-+INCPATH=${PREFIX}/include
-+DATAPATH=${DOCSDIR}/pdf
- 
- OBJECTS=bncore.o bn_mp_init.o bn_mp_clear.o bn_mp_exch.o bn_mp_grow.o bn_mp_shrink.o \
- bn_mp_clamp.o bn_mp_zero.o  bn_mp_set.o bn_mp_set_int.o bn_mp_init_size.o bn_mp_copy.o \
---- makefile.shared.orig	2010-07-23 16:27:20.000000000 +0200
-+++ makefile.shared	2013-04-18 15:26:25.000000000 +0200
-@@ -10,7 +10,7 @@
- ifndef IGNORE_SPEED
- 
- #for speed 
--CFLAGS += -O3 -funroll-loops
-+CFLAGS += -funroll-loops
- 
- #for size 
- #CFLAGS += -Os
-@@ -48,9 +48,9 @@
- #INCPATH-The directory to install the header files for libtommath.
- #DATAPATH-The directory to install the pdf docs.
- DESTDIR=
--LIBPATH=/usr/lib
--INCPATH=/usr/include
--DATAPATH=/usr/share/doc/libtommath/pdf
-+LIBPATH=${PREFIX}/lib
-+INCPATH=${PREFIX}/include
-+DATAPATH=${DOCSDIR}/pdf
- 
- OBJECTS=bncore.o bn_mp_init.o bn_mp_clear.o bn_mp_exch.o bn_mp_grow.o bn_mp_shrink.o \
- bn_mp_clamp.o bn_mp_zero.o  bn_mp_set.o bn_mp_set_int.o bn_mp_init_size.o bn_mp_copy.o \
-@@ -93,7 +93,7 @@
- 
- test: $(LIBNAME) demo/demo.o
- 	gcc $(CFLAGS) -c demo/demo.c -o demo/demo.o
--	libtool --mode=link gcc -o test demo/demo.o $(LIBNAME_S)
-+	libtool --mode=link gcc -o test demo/demo.o .libs/$(LIBNAME_S)
- 	
- mtest: test	
- 	cd mtest ; gcc $(CFLAGS) mtest.c -o mtest
diff -dpruN /usr/ports/math/libtommath/files/patch-makefile.include ./files/patch-makefile.include
--- /usr/ports/math/libtommath/files/patch-makefile.include	1970-01-01 00:00:00.000000000 +0000
+++ ./files/patch-makefile.include	2016-02-16 07:42:04.000000000 +0000
@@ -0,0 +1,47 @@
+--- makefile.include.orig	2016-02-03 18:07:27 UTC
++++ makefile.include
+@@ -14,15 +14,15 @@ ifndef PREFIX
+   PREFIX=
+ endif
+ 
+-ifeq ($(CC),cc)
+-  CC = $(PREFIX)gcc
+-endif
+-LD=$(PREFIX)ld
+-AR=$(PREFIX)ar
+-RANLIB=$(PREFIX)ranlib
++#ifeq ($(CC),cc)
++#  CC = $(PREFIX)gcc
++#endif
++#LD=$(PREFIX)ld
++AR=$(shell which ar)
++RANLIB=$(shell which ranlib)
+ 
+ ifndef MAKE
+-   MAKE=make
++   MAKE=$(shell which gmake)
+ endif
+ 
+ CFLAGS += -I./ -Wall -Wsign-compare -Wextra -Wshadow
+@@ -55,7 +55,7 @@ endif # COMPILE_SIZE
+ endif # COMPILE_DEBUG
+ 
+ # adjust coverage set
+-ifneq ($(filter $(shell arch), i386 i686 x86_64 amd64 ia64),)
++ifneq ($(filter $(shell /sbin/sysctl -b hw.machine_arch), i386 i686 x86_64 amd64 ia64),)
+    COVERAGE = test_standalone timing
+    COVERAGE_APP = ./test && ./ltmtest
+ else
+@@ -71,9 +71,9 @@ test_standalone: CFLAGS+=-DLTM_DEMO_TEST
+ #LIBPATH-The directory for libtommath to be installed to.
+ #INCPATH-The directory to install the header files for libtommath.
+ #DATAPATH-The directory to install the pdf docs.
+-LIBPATH?=/usr/lib
+-INCPATH?=/usr/include
+-DATAPATH?=/usr/share/doc/libtommath/pdf
++LIBPATH?=$(PREFIX)/lib
++INCPATH?=$(PREFIX)/include
++DATAPATH?=$(DOCSDIR)/pdf
+ 
+ #make the code coverage of the library
+ #