Yes, it was implemented as part of supporting another feature, and was left
undocumented at the time.
And it stuck.
This comment is in the source code, though, and the current implementation
will return "1" or "0" in ${variable}:
/*
FILE(DIFFERENT <variable> FILES <lhs> <rhs>)
*/
HTH,
David
On Tue, Jun 19, 2012 at 10:46 PM, Doug <[email protected]> wrote:
> is FILE(DIFFERENT ...) depreciated or reserved for internal use or
> something?
>
> It doesnt turn up in the docs online or the internal docs
> in Source/cmFileCommand.h
>
> Definitely in Sources/cmFileCommand.cxx though:
>
> else if ( subCommand == "DIFFERENT" )
> {
> return this->HandleDifferentCommand(args);
>
> Just an omission from the docs?
>
> ~
> Doug.
>
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