[CMake] Version embedding - how to cause a command when make is run?

[David Cole]

How about "svn status -u" or a filtered version of "svn status -v" ....?

On 10/5/07, Atwood, Robert C <r.atwood at imperial.ac.uk> wrote:
> I hope its okay to copy this to Subversion list, as it has veered away
> from cmake  ...
>
> Alan said (on Cmake list):
>
> > take a concrete but simple example, suppose you have five
> > files which all
> > have 3 possibilities (1,2,3) for the revision number. IOW,
> > each file changed
> > for each revision. Then using svn update --revision you can
> > create 3^5 = 243
> > different combinations of revision numbers for the various
> > source files in
> > your source tree, and svnversion will identify all such
> > different source
> > trees identically.
>
> I expected that sort of thing with CVS, I thought it worked differently
> in SVN where the number is more related to the whole project than the
> individual file. But I stand corrected.
>
> An actual test demonstrates that you are correct, svnversion 0:6 is
> displayed if one of the files is back-updated to 4, and no special flag
> is specified in svnversion output. See console log below.
>
>
> David said (on Cmake list):
>
> >also verify that "svn status" gives you *empty*
> >output.
>
> Actually ,   'svn status' also produces empty output in this case (where
> a file has been back-updated)  So it is not obvious that there's any
> difference, as Alan suggested orignally.
>
> Thanks for the headsup!
> Robert
>
>
> [rcatwood testproj]$ svnversion
> 0:6
> [rcatwood testproj]$ cat *
> $Id: FileA.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file A. Third (after propset) revision.
> $Id: FileB.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file B. Third (after propset) revision.
> $Id: FileC.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file C. Third (after propset) revision.
> $Id: FileD.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file D. Third (after propset) revision.
> $Id: FileE.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file E. Third (after propset) revision.
> [rcatwood testproj]$
> [rcatwood testproj]$ svn up -r 4 FileC.txt
> U    FileC.txt
> Updated to revision 4.
> [rcatwood testproj]$ svnversion
> 0:6
> [rcatwood testproj]$ cat *
> $Id: FileA.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file A. Third (after propset) revision.
> $Id: FileB.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file B. Third (after propset) revision.
> $Id: FileC.txt 4 2007-10-05 15:49:14Z rcatwood $
> This is file C. First (after propset) revision.
> $Id: FileD.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file D. Third (after propset) revision.
> $Id: FileE.txt 6 2007-10-05 15:50:26Z rcatwood $
> This is file E. Third (after propset) revision.
> [rcatwood testproj]$
> [rcatwood testproj]$ svn status
> [rcatwood testproj]$
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