I downloaded Cygwin 1.7.0-58 source from path:
http://ftp.eq.uc.pt/software/pc/prog/cygwin/release-2/cygwin/

Also downloaded all the packages of cygwin version 1.7.0.58

ftp://www.fruitbat.org/pub/cygwin/circa-2/index.html"


And followed instructions to compile from below document:

https://cygwin.com/faq/faq.html#faq.programming.building-cygwin

I have downloaded gcc-ada still getting error on this package while
compiling ( it hangs on this while configuring "ada" module)

Please help me further on this.

Is there any other procedure for building an older release of cygwin.