Put the msvcp71.dll and msvcr71.dll in this directory for Windows builds using a .NET compiler. The dlls are part of the .NET2003 installation and can be found in a directory similar to: "c:\Program Files\Microsoft Visual Studio .NET 2003\Visual C++ .NET Professional - English\" If you use the --enable-dbgutil switch during configure, copy the appropriate msvcp71d.dll and msvcr71d.dll into this directory.