[Rd] grep in version 1.8 (PR#4231)

[Friedrich.Leisch at ci.tuwien.ac.at]

>>>>> On Mon, 22 Sep 2003 06:07:00 -0400,
>>>>> Duncan Murdoch (DM) wrote:

  > On Sun, 21 Sep 2003 16:58:10 -0500, you wrote:
  >> On Sunday 21 September 2003 16:50, Duncan Murdoch wrote:
  >>> On Sun, 21 Sep 2003 11:23:57 +0200 (MET DST), you wrote:
  >>> >This is not a bug! It works when compiling from clean sources.
  >>> >
  >>> >I guess you have unpacked new sources over old sources? Please clean the
  >>> >directory before unpacking a new version, and try to compile again. A
  >>> >couple of us ran in the same problem during the last weeks.
  >>> 
  >>> I don't know if this is what happened here, but this kind of thing
  >>> also happens when using rsync, not just when unpacking tarballs:
  >>> rsync won't delete obsolete files.  Anonymous cvs wouldn't have this
  >>> problem.
  >> 
  >> rsync should delete files if you give the --delete flag

  > Yes, but then you end up doing a clean build, because it will also
  > delete the *.o files, etc.  I don't think there's a concept of
  > deleting files that were there yesterday but aren't there today.

Yes, there is:

1) Use the --delete flag when updating the sources
2) Use a build directory that is different from your source tree, that
   way rsync will never see the *.o et al files.

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                        Friedrich Leisch 
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