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On Thursday 06 Aug 2015 22:00:35 Neil Bothwick wrote: |
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> On Thu, 6 Aug 2015 21:53:25 +0200, Alan McKinnon wrote: |
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> > > I only have it enabled for LibreOffice, which is a regular victim of |
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> > > @preserved-rebuild causing the same version to be rebuilt. |
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> > |
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> > What sort of improvements do you get? libreoffice here takes about 1h30 |
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> > to build, give or take 10 mins or so. Doesn't seem worth the extra |
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> > hassle of ccache for an hour and a half. |
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> |
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> It varies, but it can more than halve the time taken. Well worth the |
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> minute or two it took to set it up to happen automatically. |
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> |
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> % cat /etc/portage/env/ccache.conf |
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> FEATURES="ccache" |
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> |
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> % cat /etc/portage/package.env/libreoffice |
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> app-office/libreoffice ccache.conf disk-tmpdir.conf |
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> |
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> And don't forget to emerge ccache ;-) |
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> |
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> For completeness, LO also uses and on disk TMPDIR because my tmpfs /tmp |
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> isn't big enough, so |
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> |
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> % cat /etc/portage/env/disk-tmpdir.conf |
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> PORTAGE_TMPDIR="/mnt/scratch" |
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|
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Hmm ... may be I should re-enable it to see if I notice the difference on an |
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old PC I have. I took it off because failed ebuilds would continue to fail - |
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until I remembered to delete the ccache files. |
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|
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-- |
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Regards, |
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Mick |
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