diff -rupN a/bitcoinrpc.cpp b/bitcoinrpc.cpp
--- a/bitcoinrpc.cpp    2015-04-03 14:01:43.550054329 -0230
+++ b/bitcoinrpc.cpp    2015-04-03 14:01:34.690054121 -0230
@@ -1762,10 +1762,10 @@ Value getmemorypool(const Array& params,
         result.push_back(Pair("time", (boost::int64_t)pblock->nTime));
 
         union {
-            int32_t nBits;
+            boost::int32_t nBits;
             char cBits[4];
         } uBits;
-        uBits.nBits = htonl((int32_t)pblock->nBits);
+        uBits.nBits = htonl((boost::int32_t)pblock->nBits);
         result.push_back(Pair("bits", HexStr(BEGIN(uBits.cBits), END(uBits.cBits))));
 
         return result;
diff -rupN a/main.cpp b/main.cpp
--- a/main.cpp  2015-04-03 14:01:43.550054329 -0230
+++ b/main.cpp  2015-04-03 14:05:18.890059397 -0230
@@ -2639,14 +2639,14 @@ void SHA256Transform(void* pstate, void*
     SHA256_Init(&ctx);
 
     for (int i = 0; i < 16; i++)
-        ((uint32_t*)data)[i] = ByteReverse(((uint32_t*)pinput)[i]);
+        ((boost::uint32_t*)data)[i] = ByteReverse(((boost::uint32_t*)pinput)[i]);
 
     for (int i = 0; i < 8; i++)
-        ctx.h[i] = ((uint32_t*)pinit)[i];
+        ctx.h[i] = ((boost::uint32_t*)pinit)[i];
 
     SHA256_Update(&ctx, data, sizeof(data));
     for (int i = 0; i < 8; i++) 
-        ((uint32_t*)pstate)[i] = ctx.h[i];
+        ((boost::uint32_t*)pstate)[i] = ctx.h[i];
 }
 
 //