This has a number of reverse dependencies; testing appreciated.
make regress is passing on amd64.

diff /usr/ports
commit - c811366a982295edb57e06287cb69c8315bca8f5
path + /usr/ports
blob - 6e06400f28b29da5e13439d53e3f0169d8ef505c
file + devel/libmpc/Makefile
--- devel/libmpc/Makefile
+++ devel/libmpc/Makefile
@@ -1,9 +1,9 @@
 COMMENT=	arbitrary-precision complex numbers math library
 
-V=		1.1.0
+V=		1.3.1
 DISTNAME=	mpc-${V}
 PKGNAME=	libmpc-${V}
-SHARED_LIBS=	mpc	1.0	# 4.0
+SHARED_LIBS=	mpc	2.0	# 6.1
 
 CATEGORIES=	devel math
 
blob - 9d65847f4eed9e6d914a2645181fb65f929683e5
file + devel/libmpc/distinfo
--- devel/libmpc/distinfo
+++ devel/libmpc/distinfo
@@ -1,2 +1,2 @@
-SHA256 (mpc-1.1.0.tar.gz) = aYXFOBQ8EgjcsaxCztrW/1LiZ7R+X5cBg6PnUSW0PC4=
-SIZE (mpc-1.1.0.tar.gz) = 701263
+SHA256 (mpc-1.3.1.tar.gz) = q2QkkvXPiCt0qgy3MM1BCoHtzb7IlRg86TDnBsHHWbg=
+SIZE (mpc-1.3.1.tar.gz) = 773573
blob - bedaa73f48050054f78a88ba3ae7186b369595f0
file + devel/libmpc/pkg/PLIST
--- devel/libmpc/pkg/PLIST
+++ devel/libmpc/pkg/PLIST
@@ -1,5 +1,5 @@
 include/mpc.h
 @info info/mpc.info
-lib/libmpc.a
+@static-lib lib/libmpc.a
 lib/libmpc.la
 @lib lib/libmpc.so.${LIBmpc_VERSION}