keeping source trees
narzola at sla.com
Tue Jun 6 12:17:29 PDT 2000
Mark Stone writes:
> I'm wondering how important it is to keep around the source trees for the
> various packages I've installed. The kernel source tree makes sense, since
> there are obviously other programs that make use of some of these header
> files. I also found while installing openssh that it looked for a header
> file from another package (I forget which one, off hand). But generally
> speaking, can these be deleted, or will they be needed?
> This is not an immediately pressing issue: I'm only using 784M on a 4 Gig
> hard drive at present. But once I get around to installing X, and other
> "hogs", disk space will become more of an issue.
I personally save all of the source archives that I use. I also keep track
of exactly where I got the file. It has happened too many times where I
wanted to recompile something (perhaps to change a setting) and found that I
could not download the same version I started with (try getting hold of Perl
4.036....). Then I had to download the new version, figure out the
upgrade/migration path, and hope like hell that the features I needed were
not broken between the old and new versions.
One trick that I use, especially for software that uses the autoconf
(./configure) scripts is to save the compressed tar archive (I personnally
convert from gzip to bzip2) and the "config.sh" file. I have not done it in
a while, but there is a way to use the "config.sh" and the compressed
archive to restore the configuration you had previously. This allows you to
keep the source without wasting tons of disk space. I found that the bzip2
compressed source files for LFS 2.3.3 take up about 50MB compressed with
bzip2 (this is for the basic system install -- no networking or X-windows).
They take up about 300 MB uncompressed with object (.o) files.
I am not sure what everyone else thinks, but this sounds like a good tip to
put in the LFS documents. Just a little section that describes how to use
the "config.sh" file to restore your configuration and perhaps a one or two
liner to convert a directory of files from gzip to bzip2.
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