Win32 Build Instructions:

1) Make sure that the contrib file has all the required files for RRDtool
2) Open rrd.sln from Visual Studio
3) Select the 'Release' Build Type
4) Build the Solution
5) rrdtool.exe, and rrdupdate.exe will be located in the Release directory
6) To install, copy the two binaries, along with the host of DLL files to
   their permanent location
7) To build the ActiveState perl module.  Follow the instructions under
   the README file under 'binding/perl-shared'