patch

--- src/mpfi.h.old	2017-12-14 13:17:36.000000000 +0100
+++ src/mpfi.h	2017-12-14 13:17:42.000000000 +0100
@@ -46,7 +46,7 @@ typedef struct {
 
 typedef __mpfi_struct mpfi_t[1];
 typedef __mpfi_struct *mpfi_ptr;
-typedef __gmp_const __mpfi_struct *mpfi_srcptr;
+typedef const __mpfi_struct *mpfi_srcptr;
 
 #ifdef __cplusplus
 extern "C" {

patch2

diff -pur mpfi-1.5.1-old/src/mpfi-impl.h mpfi-1.5.1/src/mpfi-impl.h
--- mpfi-1.5.1-old/src/mpfi-impl.h	2012-01-19 09:48:26.000000000 +0100
+++ mpfi-1.5.1/src/mpfi-impl.h	2017-12-14 13:28:26.000000000 +0100
@@ -69,11 +69,6 @@ MA 02110-1301, USA. */
 extern "C" {
 #endif
 
-/* WARNING: this is an MPFR internal function which may be removed in future
-   MPFR versions. Should be replaced by mpfr_printf. */
-void mpfr_print_binary _MPFR_PROTO ((mpfr_srcptr));
-
-
 mp_prec_t mpfi_quadrant (mpz_ptr, mpfr_srcptr);
 int     mpfi_cmp_sym_pi (mpz_srcptr, mpfr_srcptr, mpfr_srcptr, mp_prec_t);
 
diff -pur mpfi-1.5.1-old/src/print_binary.c mpfi-1.5.1/src/print_binary.c
--- mpfi-1.5.1-old/src/print_binary.c	2012-01-19 09:48:26.000000000 +0100
+++ mpfi-1.5.1/src/print_binary.c	2017-12-14 13:34:37.000000000 +0100
@@ -31,8 +31,8 @@ void
 mpfi_print_binary (mpfi_srcptr x)
 {
   printf ("[ ");
-  mpfr_print_binary (&(x->left));
+  mpfr_printf ("%Rf", &(x->left));
   printf (" , ");
-  mpfr_print_binary (&(x->right));
+  mpfr_printf ("%Rf", &(x->right));
   printf (" ]");
 }

patch3

--- mpfi-1.5.1-old/src/diam.c	2012-01-19 09:48:26.000000000 +0100
+++ mpfi-1.5.1/src/diam.c	2017-12-14 13:41:15.000000000 +0100
@@ -57,7 +57,10 @@ mpfi_diam_rel (mpfr_ptr diam, mpfi_srcpt
        Note that in case of underflow, mpfr_sgn(center)==0 and the
        if-condition fails, preventing the next operation to actually increase
        the absolute value of center */
-    mpfr_sub_one_ulp (center, MPFI_RNDD);
+    if (mpfr_sgn (center) > 0)
+      mpfr_nextbelow (center);
+    else
+      mpfr_nextabove (center);
   }
   mpfr_abs (center, center, MPFI_RNDD); /* always exact */