diff --git a/NativeGaudiBuilder.cpp b/NativeGaudiBuilder.cpp
index 1ea9016..ea8d6c9 100644
--- a/NativeGaudiBuilder.cpp
+++ b/NativeGaudiBuilder.cpp
@@ -11,6 +11,7 @@ For dependencies, please see LICENSE file.
 #include <iostream>
 #include <cstring>
 #include <string>
+#include "boost/tuple/tuple.hpp"
 #include "NativeGaudiBase.h"
 using namespace std;
 
@@ -20,7 +21,7 @@ class NativeGaudiBuilder : protected NativeGaudiBase {
 
 	void substituteVars(string[]);
 	string handleWildcards(string);
-	string extractCommand(string); // Change return type to tuple.
+	boost::tuple<string, string> extractCommand(string);
 	void printError(string);
 	void printCommand(string, string);
 	void execExtern(string);
diff --git a/build.json b/build.json
index df14ba2..d482e91 100644
--- a/build.json
+++ b/build.json
@@ -9,7 +9,7 @@
 	"build": [
 
 		{ "echo": "Compiling NativeGaudi..." },
-		{ "exec": "g++ NativeGaudiBase.cpp NativeGaudiApp.cpp NativeGaudiBuilder.cpp -o NativeGaudi" },
+		{ "exec": "g++ NativeGaudiBase.cpp NativeGaudiApp.cpp NativeGaudiBuilder.cpp -o NativeGaudi -IC:/Dev/Boost" },
 		{ "echo": "Strip executable..." },
 		{ "xstrip": "NativeGaudi" }
 	],