----- Reply message -----
From: "j s" <j.s4...@gmail.com>
To: "Michael Wild" <them...@gmail.com>
Cc: "CMake mailing list" <cmake@cmake.org>
Subject: [CMake] write file if different?
Date: Wed, May 29, 2013 20:44
On Wed, May 29, 2013 at 2:32 AM, Michael Wild <them...@gmail.com> wrote:
>
> On 28.05.2013 22:07, Matthew Woehlke wrote:
> > Is there a built-in way to write a string to a file (a la FILE(WRITE))
> > that will only write the file if the content would be different? (Or
> > does FILE(WRITE) already work this way despite no obvious hint in the
> > documentation that it does?)
> >
> > Right now I am writing to a temporary file and running cmake -E
> > copy_if_different, then removing the temporary file, but this seems
> > inelegant and I am wondering if there is a better solution.
> >
You can always use the rsync command, which is available for all
systems, including Windows.
That's probably the worst possible solution... CMake has everything that iy
required to accomplish this built-in, so adding a unnecessary dependency that
is only needed by the build system is a really bad idea...
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