Index: mpi-1.8.6/mpi.c
===================================================================
--- mpi-1.8.6.orig/mpi.c	2011-12-08 21:03:20.000000000 -0800
+++ mpi-1.8.6/mpi.c	2011-12-08 21:05:04.000000000 -0800
@@ -2401,7 +2401,7 @@
     int      ix;
 
     d = *dp;
-    for(ix = 0; ix < sizeof(mp_digit); ++ix) {
+    for(ix = 0; ix < (int) sizeof(mp_digit); ++ix) {
       *spos = d & UCHAR_MAX;
       d >>= CHAR_BIT;
       ++spos;
@@ -2598,10 +2598,10 @@
     /* Reverse the digits and sign indicator     */
     ix = 0;
     while(ix < pos) {
-      char tmp = str[ix];
+      char tmp2 = str[ix];
 
       str[ix] = str[pos];
-      str[pos] = tmp;
+      str[pos] = tmp2;
       ++ix;
       --pos;
     }
@@ -2952,10 +2952,10 @@
 void     s_mp_mod_2d(mp_int *mp, mp_digit d)
 {
   unsigned int  ndig = (d / DIGIT_BIT), nbit = (d % DIGIT_BIT);
-  unsigned int  ix;
+  int           ix;
   mp_digit      dmask, *dp = DIGITS(mp);
 
-  if(ndig >= USED(mp))
+  if((int) ndig >= USED(mp))
     return;
 
   /* Flush all the bits above 2^d in its digit */
Index: mpi-1.8.6/mplogic.c
===================================================================
--- mpi-1.8.6.orig/mplogic.c	2011-12-08 21:03:20.000000000 -0800
+++ mpi-1.8.6/mplogic.c	2011-12-08 21:05:16.000000000 -0800
@@ -290,7 +290,7 @@
   for(ix = 0; ix < USED(a); ix++) {
     cur = DIGIT(a, ix);
     
-    for(db = 0; db < sizeof(mp_digit); db++) {
+    for(db = 0; db < (int) sizeof(mp_digit); db++) {
       reg = (cur >> (CHAR_BIT * db)) & UCHAR_MAX;
 
       nset += bitc[reg];
@@ -319,7 +319,7 @@
   for(ix = 0; ix < USED(a); ix++) {
     cur = DIGIT(a, ix);
     
-    for(db = 0; db < sizeof(mp_digit); db++) {
+    for(db = 0; db < (int) sizeof(mp_digit); db++) {
       reg = (cur >> (CHAR_BIT * db)) & UCHAR_MAX;
 
       nset += bitc[UCHAR_MAX - reg];