My own fix to make it hackily compile

apps/launcher/main.cpp

@@ -62,3 +62,19 @@ int main(int argc, char *argv[])
     return returnValue;
 }
 
+
+#include <stdlib.h>
+#include <windows.h>
+
+#ifdef __GNUC__
+#define _stdcall  __attribute__((stdcall))
+#endif
+
+int _stdcall
+WinMain (struct HINSTANCE__ *hInstance,
+         struct HINSTANCE__ *hPrevInstance,
+         char               *lpszCmdLine,
+         int                 nCmdShow)
+{
+  return main (__argc, __argv);
+}

apps/opencs/view/doc/adjusterwidget.cpp

@@ -61,7 +61,7 @@ void CSVDoc::AdjusterWidget::setName (const QString& name, bool addon)
         if (path.parent_path().string()==mLocalData.string())
         {
             // path already points to the local data directory
-            message = QString::fromUtf8 (("Will be saved as: " + path.native()).c_str());
+			message = QString::fromUtf8 (("Will be saved as: " + path.string()).c_str());
             mResultPath = path;
             mValid = true;
         }
@@ -70,7 +70,7 @@ void CSVDoc::AdjusterWidget::setName (const QString& name, bool addon)
             // path points somewhere else or is a leaf name.
             path = mLocalData / path.filename();
 
-            message = QString::fromUtf8 (("Will be saved as: " + path.native()).c_str());
+			message = QString::fromUtf8 (("Will be saved as: " + path.string()).c_str());
             mResultPath = path;
             mValid = true;