cygwin and Postgres

[Jason Zions]

> Are you sure about this?

Yes, he's sure about this.

> Using GPLed software to compile a commercial product doesn't 
> imply that
> the final product needs to be under the GPL. Infact the new 
> versions of
> the GPL & LGPL have new clauses to try to get round this confusion.

It's not just a matter of using GPL'd software to build the commercial
product. The cygwin runtime support code is GPL'd. Software which uses that
code at run-time must also be GPL'd. This is the principal difference
between the LGPL and the GPL. Suppose the runtime is a shared library. If
it's covered by the GPL, a user of that library is "infected" with the GPL
as well. If it's covered instead by the LGPL, the user of the library is
*not* infected.

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