Try to autodect I386/amd64

include/library/arch-detect.hpp

@@ -0,0 +1,10 @@
+#ifndef _library__archdetect__hpp__included__
+#define _library__archdetect__hpp__included__
+
+#if defined(__i386__) || defined(__x86_64__)
+#ifndef ARCH_IS_I386
+#define ARCH_IS_I386
+#endif
+#endif
+
+#endif

include/library/memoryspace.hpp

@@ -7,6 +7,7 @@
 #include <cstdint>
 #include <cstring>
 #include "threadtypes.hpp"
+#include "arch-detect.hpp"
 
 /**
  * Information about region of memory.

options.build

@@ -138,5 +138,5 @@ HOST_BOOST_POSTFIX=
 
 # The target architecture
 # I386 - I386/AMD64
-# Leave empty for generic.
+# Leave empty for generic/autodetect.
 ARCHITECTURE=

src/library/controller-parse.cpp

@@ -1,6 +1,7 @@
 #include "controller-parse.hpp"
 #include "string.hpp"
 #include "assembler.hpp"
+#include "arch-detect.hpp"
 #include <algorithm>
 
 namespace

src/library/sha256.cpp

@@ -3,7 +3,7 @@
 #include <sstream>
 #include <iostream>
 #include <iomanip>
-
+#include "arch-detect.hpp"
 
 //Since this isn't used for anything too performance-sensitive, just write a implementation, no need to specially
 //optimize.