From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] qt5: use ccache for building host code
Date: Sat, 3 Nov 2018 14:49:17 +0100 [thread overview]
Message-ID: <20181103144917.05c221c1@windsurf> (raw)
In-Reply-To: <20181020132535.24508-1-thomas.petazzoni@bootlin.com>
Hello Peter,
On Sat, 20 Oct 2018 15:25:35 +0200, Thomas Petazzoni wrote:
> qt5 currently doesn't use HOSTCC/HOSTCXX, so it doesn't use ccache
> when building all its host code (especially qmake). This means that
> even with ccache enabled and a hot cache, it still takes a long time
> to build qt5base.
>
> Before this patch, building qt5base takes:
>
> - 446 seconds with a cold ccache
> - 185 seconds with a hot ccache
>
> This is because the ccache is not used for host code.
>
> After this patch, building qt5base takes:
>
> - 450 seconds with a cold ccache
> - 15 seconds with a hot ccache
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Any comment on this patch ?
Thanks!
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2018-11-03 13:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-20 13:25 [Buildroot] [PATCH] qt5: use ccache for building host code Thomas Petazzoni
2018-11-03 13:49 ` Thomas Petazzoni [this message]
2018-11-04 21:08 ` Peter Seiderer
2018-11-04 21:12 ` Peter Seiderer
2018-11-04 21:25 ` Thomas Petazzoni
2018-11-04 21:46 ` Peter Seiderer
2018-11-05 7:49 ` Thomas Petazzoni
2018-11-05 20:16 ` Peter Seiderer
2018-11-30 9:00 ` Thomas Petazzoni
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