diff --git a/Source/Platform.h b/Source/Platform.h
index f9c45d10..699d4d30 100644
--- a/Source/Platform.h
+++ b/Source/Platform.h
@@ -492,6 +492,12 @@ typedef DWORDLONG ULONGLONG,*PULONGLONG;
 #  define SHACF_FILESYSTEM 1
 #endif
 
+#ifndef SEE_MASK_NOCLOSEPROCESS
+#define SEE_MASK_NOCLOSEPROCESS 0x00000040
+#define SEE_MASK_FLAG_NO_UI     0x00000400
+#define SEE_MASK_FLAG_DDEWAIT   0x00000100
+#endif
+
 // other stuff
 
 #ifndef CP_ACP
diff --git a/Source/script.cpp b/Source/script.cpp
index 27d65047..8e58530e 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -3257,7 +3257,7 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
           ret=RunChildProcessRedirected(exec, forceutf8 ? true : false);
         else
 #endif //~ _WIN32
-          ret=sane_system(exec);
+          ret=sane_system(exec), (void)forceutf8; // forceutf8 is not used on POSIX
         if (comp == 5)
         {
           _stprintf(buf,_T("%d"),ret);
@@ -5425,7 +5425,7 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
             ERROR_MSG(_T("%") NPRIs _T(": %d bytes of data exceeded\n"),cmdname,sizeof(data));
             return PS_ERROR;
           }
-          if (multisz && (data_len < 4 || *(UINT32*)(&data[data_len-4]))) PRINTHELPEX(cmdname);
+          if (multisz && (data_len < 4 || 0 != read_ptr_as<UINT32>(&data[data_len-4]))) PRINTHELPEX(cmdname); // Must end with 4 zero bytes
           SCRIPT_MSG(_T("%") NPRIs _T(": %") NPRIs _T("\\%") NPRIs _T("\\%") NPRIs _T("=%") NPRIs _T("\n"),
             cmdname,line.gettoken_str(1),line.gettoken_str(2),line.gettoken_str(3),line.gettoken_str(4));
           if (multisz && !build_unicode) for (int p1=0, p2=p1; p1 < data_len; data_len--) data[p1++]=data[p2], p2+=2; // BUGBUG: Should convert each string from UTF-16 to DBCS but only exehead knows the codepage, limited to ASCII for now.
diff --git a/Source/util.h b/Source/util.h
index 30337d94..7abc34b4 100644
--- a/Source/util.h
+++ b/Source/util.h
@@ -276,6 +276,15 @@ FILE* my_fopen(const TCHAR *path, const char *mode);
 // assumption: T is an int type
 template <class T> inline T align_to_512(const T x) { return (x+511) & ~511; }
 
+template<class T> inline T read_ptr_as(const void*p)
+{
+#if defined(_MSC_VER) && (_MSC_VER-0 < 1400) // TODO: Figure out which versions are able to optimize the memcpy
+  return *(T*)(p);
+#else
+  T t; memcpy(&t, p, sizeof(T)); return t;
+#endif
+}
+
 // some values need to be truncated from size_t to [unsigned] int, using this function is better than a plain cast
 template<class R, class T> inline R internaltruncate_cast(T t) {
   assert((~((T)0)) > T(0)); // Only unsigned types supported right now