Re: [gentoo-embedded] Suggestion for INSTALL_MASK

[solar <solar@gentoo.org>]

On Tue, 2011-03-15 at 20:59 +0000, Ed W wrote:
> On 08/03/2011 03:46, solar wrote:
> > On Mon, 2011-03-07 at 14:50 +0100, Martin Gysel wrote:
> >> Hi there
> >>
> >> I'm looking for a 'good' INSTALL_MASK file/definition to use with my
> >> embedded system. As the flash on the boards is rather small I only want
> >> to have the really required files on it.
> >> Can anyone share his INSTALL_MASK?
> 
> 
> > 
> > For a read-only compat flash based system and ~10 or so pkgs. I've used 
> > *.a *.o *.la /usr/include *.pc *.pyc *.pyo *.example *.sample
> > 
> > Clearly you can nail it down abit more for your own needs. But for mine
> > that was fairly good to grab the majorituy of the bloat.
> 
> OK, here's my current mask.  Note this is for a run only system, I build
> the image elsewhere so no portage stuff required on the final image (I
> do something like build the root, then strip that down a little further
> by rsync'ing to the final target)
> 
> 
> export INSTALL_MASK="usr/include/ usr/portage usr/share/doc
> usr/share/gtk-doc usr/share/info usr/share/man var/cache/ var/db/pkg
> var/lib/gentoo var/lib/portage *.a *.o .keep_* *.la *.pc *.pyc *.pyo
> *.example *.sample"
> 
> 
> Additionally I am playing with this for installing perl:
> 
> export INSTALL_MASK="${INSTALL_MASK} */usr/lib/perl5/*.h
> usr/lib/perl5/5.*/ExtUtils/ usr/lib/perl5/5.*/CPAN/
> usr/lib/perl5/5.*/CPANPLUS/ usr/lib/perl5/5.*/*-linux-*/auto/Encode/JP
> usr/lib/perl5/5.*/*-linux-*/auto/Encode/KR
> usr/lib/perl5/5.*/*-linux-*/auto/Encode/CN
> usr/lib/perl5/5.*/*-linux-*/auto/Encode/TW
> usr/lib/perl5/5.*/*-linux-*/Devel/
> usr/lib/perl5/5.*/*-linux-*/auto/Devel/
> usr/lib/perl5/5.*/Module/CoreList.pm usr/lib/perl5/5.*/Module/Build*
> usr/lib/perl5/5.*/perl5db.pl usr/lib
> /perl5/5.*/[Pp]od usr/lib/perl5/5.*/unicore/mktables
> usr/lib/perl5/5.*/unicore/TestProp.pl */usr/lib/perl5/5.*/unicore/*.txt
> */usr/lib/perl5/*.pod"
> 
> I then strip a bunch of comments out of some perl files:
> sed -i -e 's/^#.*//' -e '/^$/d'
> ${TARGET}/usr/lib/perl5/5.12.2/unicore/lib/*/*.pl
> 
> 
> and finally build the target with something like:
> 
> rsync -aH --progress --delete --delete-excluded \
> --exclude 'usr/portage/*' \
> --exclude 'var/db/pkg' \
> --exclude 'var/cache/*' \
> --exclude 'var/lib/portage' \
> --exclude 'var/lib/gentoo' \
> ${ROOT}/ ${TARGET}
> 
> 
> Using squashfs + aufs2 (stackable squashfs so I can add more stuff
> later) that gets me a fairly decent base installation including routing,
> wireless, shorewall, perl and some more, in under 10MB


Spiffy. You can reduce that command line some more by simply using *.h

*.la is mostly safe, but there can be a gotcha with it when a program
links with ltdl.


-- 
solar <solar@gentoo.org>
Gentoo Linux