diff -up aria2-1.14.2/src/DHTConnection.h.gcc47 aria2-1.14.2/src/DHTConnection.h
--- aria2-1.14.2/src/DHTConnection.h.gcc47	2012-03-21 16:40:43.254890487 -0400
+++ aria2-1.14.2/src/DHTConnection.h	2012-03-21 16:40:50.808828820 -0400
@@ -37,6 +37,7 @@
 
 #include "common.h"
 #include <string>
+#include <unistd.h>
 
 namespace aria2 {
 
diff -up aria2-1.14.2/src/util.h.gcc47 aria2-1.14.2/src/util.h
--- aria2-1.14.2/src/util.h.gcc47	2012-03-21 16:37:18.889559038 -0400
+++ aria2-1.14.2/src/util.h	2012-03-21 16:37:54.340269569 -0400
@@ -111,6 +111,24 @@ std::string nativeToUtf8(const std::stri
 
 namespace util {
 
+extern const std::string DEFAULT_STRIP_CHARSET;
+
+template<typename InputIterator>
+std::pair<InputIterator, InputIterator> stripIter
+(InputIterator first, InputIterator last,
+ const std::string& chars = DEFAULT_STRIP_CHARSET)
+{
+  for(; first != last &&
+        std::find(chars.begin(), chars.end(), *first) != chars.end(); ++first);
+  if(first == last) {
+    return std::make_pair(first, last);
+  }
+  InputIterator left = last-1;
+  for(; left != first &&
+        std::find(chars.begin(), chars.end(), *left) != chars.end(); --left);
+  return std::make_pair(first, left+1);
+}
+
 template<typename InputIterator>
 void divide
 (std::pair<std::pair<InputIterator, InputIterator>,
@@ -161,24 +179,6 @@ std::string itos(int64_t value, bool com
 int64_t difftv(struct timeval tv1, struct timeval tv2);
 int32_t difftvsec(struct timeval tv1, struct timeval tv2);
 
-extern const std::string DEFAULT_STRIP_CHARSET;
-
-template<typename InputIterator>
-std::pair<InputIterator, InputIterator> stripIter
-(InputIterator first, InputIterator last,
- const std::string& chars = DEFAULT_STRIP_CHARSET)
-{
-  for(; first != last &&
-        std::find(chars.begin(), chars.end(), *first) != chars.end(); ++first);
-  if(first == last) {
-    return std::make_pair(first, last);
-  }
-  InputIterator left = last-1;
-  for(; left != first &&
-        std::find(chars.begin(), chars.end(), *left) != chars.end(); --left);
-  return std::make_pair(first, left+1);
-}
-
 template<typename InputIterator>
 InputIterator lstripIter
 (InputIterator first, InputIterator last, char ch)