Running the win32\build.bat comes up with an error which appears to be a simple case mismatch. The error it spits out states "Error: unsupported target architecture X64. Died at build.pl line 18." Changing line 16 from "x64" to "X64" passes this logic statement.
I'm not sure of what it is in my system that is passing 'X64' instead of an expected 'x64' but it looks like a relatively simple fix.
Running VS2013 x64 Native Tools command prompt (for 64-bit build)
Windows 7 SP 1
ActivePerl Community
A fix for this issue has been checked in recently on the v5.7 and master branches: https://sourceforge.net/p/net-snmp/code/ci/11b8afda40ecf8136ed5847438f5369ae2126af3/.
go ahead and close this ticket. 5.7 Master certainly did fix this