Only Microsoft Visual C++ 6.0 is supported. Also, Perl 5 is required; the executable must be on your PATH.
To build on the command line, ensure that the directories
containing msdev and nmake are in your path,
typically by executing
the command:
path C:/Program Files/Microsoft Visual Studio/Common/MSDev98/Bin;
    C:/Program Files/Microsoft Visual Studio/VC98/Bin;%path%
(all in one long line) then run the command:
build-win32.bat
To build using the Visual
Studio GUI, open the workspace SP.dsw and build the
Win32 Release configuration of the all
project.  You must first do a command-line build, however, to get
the perl-generated files.
Use the autoconf support.