On Wed, 2008-11-19 at 09:24 +0000, Alan Lord wrote: > That's interesting. Do you mean that DESTDIR actually affects the > contents of some files when you run "make DESTDIR=/my_path install"? > > I always assumed, perhaps wrongly, that it merely changed the > destination path for the "root" of the install process, but kept in tact > the paths of --prefix and other switches that were applied during the > configure.
Yes, it does merely change the destination path. But doing so might be the difference between creating a new file, and adding to an existing one. No specific example comes to mind, but suppose two packages append entries to a file /etc/whatever. Installed normally, you'll have one file with two entries. Installed with separate DESTDIRs, you'll have two different files at DESTDIR1/etc/whatever and DESTDIR2/etc/whatever. Simon.
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