Credo example: from lex and c source to cygwin executable, across directories

[Jason Catena]

This article walks through building a trivial example of lex source
code into C, and then compiling the generated C source code into
object files and an executable in a different directory. The point is
to demonstrate using dodep to generate and customize build scripts
and list dependencies, and credo to execute the build process.

Credo example: from lex and c source to cygwin executable, across directories
http://swtools.wordpress.com/2011/07/03/credo-example-from-lex-and-c-source-to-cygwin-executable-across-directories/

Posting here because I wrote these build tools in Acme SAC, and they
use some nice features of Inferno: /env, apply, <{}, status, and os -T.

Jason Catena