diff --git a/math/Makefile b/math/Makefile
index 145d3e5b30af..fcb227c21e45 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -155,6 +155,7 @@
     SUBDIR += mbasecalc
     SUBDIR += metis
     SUBDIR += metis-edf
+    SUBDIR += mingw32-libgmp4
     SUBDIR += miracl
     SUBDIR += moo
     SUBDIR += mpexpr
diff --git a/math/mingw32-libgmp/Makefile b/math/mingw32-libgmp/Makefile
new file mode 100644
index 000000000000..edaff7b30043
--- /dev/null
+++ b/math/mingw32-libgmp/Makefile
@@ -0,0 +1,43 @@
+# New ports collection makefile for:   mingw32-libgmp4
+# Date created:        28 April 2008
+# Whom:                Timothy Bourke <timbob@bigpond.com>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	libgmp4
+PORTVERSION=	4.2.2
+CATEGORIES=	math devel
+MASTER_SITES=	${MASTER_SITE_GNU}
+MASTER_SITE_SUBDIR=	gmp
+PKGNAMEPREFIX=	mingw32-
+DISTNAME=	gmp-${PORTVERSION}
+
+MAINTAINER=	timbob@bigpond.com
+COMMENT=	Library for arbitrary precision arithmetic (MinGW32)
+
+BUILD_DEPENDS=	${PKGNAMEPREFIX}gcc:${PORTSDIR}/devel/${PKGNAMEPREFIX}gcc \
+		mingwm10.dll:${PORTSDIR}/devel/mingw32-bin-msvcrt
+
+GNU_CONFIGURE=	yes
+CC=		${PKGNAMEPREFIX}gcc
+CXX=		${PKGNAMEPREFIX}c++
+CONFIGURE_ENV=	MAKEINFO="makeinfo --no-split" \
+		PREFIX="${PREFIX}/${PKGNAMEPREFIX:S/-$//}"
+CONFIGURE_ARGS=	--enable-cxx --host=${PKGNAMEPREFIX:S/-$//} \
+		--includedir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/include \
+		--exec_prefix=${PREFIX}/${PKGNAMEPREFIX:S/-$//} \
+		--datadir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/share \
+		--libdir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/lib
+CONFIGURE_TARGET=
+
+INFO=		gmp
+INFO_PATH=	${PKGNAMEPREFIX:S/-$//}/info
+
+post-extract:
+	@${RM} -f ${WRKSRC}/doc/gmp.info*
+
+pre-install:
+	${MKDIR} ${PREFIX}/${PKGNAMEPREFIX:S/-$//}/info
+
+.include <bsd.port.mk>
diff --git a/math/mingw32-libgmp/distinfo b/math/mingw32-libgmp/distinfo
new file mode 100644
index 000000000000..dcb12714f169
--- /dev/null
+++ b/math/mingw32-libgmp/distinfo
@@ -0,0 +1,3 @@
+MD5 (gmp-4.2.2.tar.gz) = 1def49df60248a08374ecd6cdcaa5d3d
+SHA256 (gmp-4.2.2.tar.gz) = db1663aefaa37e6fe69898729ece2a86568792b9009cc1ae4b6b189e0f0fce6a
+SIZE (gmp-4.2.2.tar.gz) = 2279978
diff --git a/math/mingw32-libgmp/pkg-descr b/math/mingw32-libgmp/pkg-descr
new file mode 100644
index 000000000000..159ccbf3d124
--- /dev/null
+++ b/math/mingw32-libgmp/pkg-descr
@@ -0,0 +1,9 @@
+GMP is a free library for arbitrary precision arithmetic, operating
+on signed integers, rational numbers, and floating point numbers.
+There is no limit to the precision except the ones implied by the
+available memory in the machine GMP runs on. GMP has a rich set of
+functions, and the functions have a regular interface. 
+
+This port compiles libgmp using MinGW32.
+
+WWW: http://www.swox.com/gmp/
diff --git a/math/mingw32-libgmp/pkg-plist b/math/mingw32-libgmp/pkg-plist
new file mode 100644
index 000000000000..423bcbdfbdb2
--- /dev/null
+++ b/math/mingw32-libgmp/pkg-plist
@@ -0,0 +1,9 @@
+mingw32/include/gmp.h
+mingw32/include/gmpxx.h
+mingw32/lib/libgmp.a
+mingw32/lib/libgmp.la
+mingw32/lib/libgmpxx.a
+mingw32/lib/libgmpxx.la
+@dirrmtry mingw32/include
+@dirrmtry mingw32/lib
+@dirrmtry mingw32
diff --git a/math/mingw32-libgmp4/Makefile b/math/mingw32-libgmp4/Makefile
new file mode 100644
index 000000000000..edaff7b30043
--- /dev/null
+++ b/math/mingw32-libgmp4/Makefile
@@ -0,0 +1,43 @@
+# New ports collection makefile for:   mingw32-libgmp4
+# Date created:        28 April 2008
+# Whom:                Timothy Bourke <timbob@bigpond.com>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	libgmp4
+PORTVERSION=	4.2.2
+CATEGORIES=	math devel
+MASTER_SITES=	${MASTER_SITE_GNU}
+MASTER_SITE_SUBDIR=	gmp
+PKGNAMEPREFIX=	mingw32-
+DISTNAME=	gmp-${PORTVERSION}
+
+MAINTAINER=	timbob@bigpond.com
+COMMENT=	Library for arbitrary precision arithmetic (MinGW32)
+
+BUILD_DEPENDS=	${PKGNAMEPREFIX}gcc:${PORTSDIR}/devel/${PKGNAMEPREFIX}gcc \
+		mingwm10.dll:${PORTSDIR}/devel/mingw32-bin-msvcrt
+
+GNU_CONFIGURE=	yes
+CC=		${PKGNAMEPREFIX}gcc
+CXX=		${PKGNAMEPREFIX}c++
+CONFIGURE_ENV=	MAKEINFO="makeinfo --no-split" \
+		PREFIX="${PREFIX}/${PKGNAMEPREFIX:S/-$//}"
+CONFIGURE_ARGS=	--enable-cxx --host=${PKGNAMEPREFIX:S/-$//} \
+		--includedir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/include \
+		--exec_prefix=${PREFIX}/${PKGNAMEPREFIX:S/-$//} \
+		--datadir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/share \
+		--libdir=${PREFIX}/${PKGNAMEPREFIX:S/-$//}/lib
+CONFIGURE_TARGET=
+
+INFO=		gmp
+INFO_PATH=	${PKGNAMEPREFIX:S/-$//}/info
+
+post-extract:
+	@${RM} -f ${WRKSRC}/doc/gmp.info*
+
+pre-install:
+	${MKDIR} ${PREFIX}/${PKGNAMEPREFIX:S/-$//}/info
+
+.include <bsd.port.mk>
diff --git a/math/mingw32-libgmp4/distinfo b/math/mingw32-libgmp4/distinfo
new file mode 100644
index 000000000000..dcb12714f169
--- /dev/null
+++ b/math/mingw32-libgmp4/distinfo
@@ -0,0 +1,3 @@
+MD5 (gmp-4.2.2.tar.gz) = 1def49df60248a08374ecd6cdcaa5d3d
+SHA256 (gmp-4.2.2.tar.gz) = db1663aefaa37e6fe69898729ece2a86568792b9009cc1ae4b6b189e0f0fce6a
+SIZE (gmp-4.2.2.tar.gz) = 2279978
diff --git a/math/mingw32-libgmp4/pkg-descr b/math/mingw32-libgmp4/pkg-descr
new file mode 100644
index 000000000000..159ccbf3d124
--- /dev/null
+++ b/math/mingw32-libgmp4/pkg-descr
@@ -0,0 +1,9 @@
+GMP is a free library for arbitrary precision arithmetic, operating
+on signed integers, rational numbers, and floating point numbers.
+There is no limit to the precision except the ones implied by the
+available memory in the machine GMP runs on. GMP has a rich set of
+functions, and the functions have a regular interface. 
+
+This port compiles libgmp using MinGW32.
+
+WWW: http://www.swox.com/gmp/
diff --git a/math/mingw32-libgmp4/pkg-plist b/math/mingw32-libgmp4/pkg-plist
new file mode 100644
index 000000000000..423bcbdfbdb2
--- /dev/null
+++ b/math/mingw32-libgmp4/pkg-plist
@@ -0,0 +1,9 @@
+mingw32/include/gmp.h
+mingw32/include/gmpxx.h
+mingw32/lib/libgmp.a
+mingw32/lib/libgmp.la
+mingw32/lib/libgmpxx.a
+mingw32/lib/libgmpxx.la
+@dirrmtry mingw32/include
+@dirrmtry mingw32/lib
+@dirrmtry mingw32