Date: Tue, 15 Nov 2005 16:57:39 -0500
From: Nicolas Blais <nb_root@videotron.ca>
To: Jens Schweikhardt <schweikh@schweikhardt.net>
Cc: Steve Hodgson <steve@acidy.com>, freebsd-current@freebsd.org
Subject: Re: Using ccache for build{world, kernel} (was: can't compile -CURRENT since 2 days ago)
Message-ID: <200511151657.44716.nb_root@videotron.ca>
In-Reply-To: <20051115211418.GE1783@schweikhardt.net>
References: <200511141702.45491.nb_root@videotron.ca> <20051115183647.GA1783@schweikhardt.net> <20051115211418.GE1783@schweikhardt.net>
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On November 15, 2005 04:14 pm, Jens Schweikhardt wrote:
> Folks,
>
> # Put this in /usr/ports/devel/ccache/files/patch-nohash-size-mtime and
> # reinstall the port. Then export CCACHE_NOHASH_SIZE_MTIME=3Dy during your
> # makes for buildworld and buildkernel. This melts my buildworld time
> # from 2700s (real@~100%CPU) to under 1000s and buildkernel from 800s
> # to 250s, so you gain about a factor 3 for ab-initio builds. Sweet!
> #
> #
> # --- ccache.c.orig Mon Oct 31 17:38:21 2005
> # +++ ccache.c Mon Oct 31 17:52:31 2005
> # @@ -331,8 +331,10 @@
> # hash_string(str_basename(args->argv[0]));
> # }
> #
> # - hash_int(st.st_size);
> # - hash_int(st.st_mtime);
> # + if (!getenv("CCACHE_NOHASH_SIZE_MTIME")) {
> # + hash_int(st.st_size);
> # + hash_int(st.st_mtime);
> # + }
> [Rest of patch snipped ...]
>
> I just asked the devel/ccache maintainer to commit this patch and he
> promptly did (Thanks Michael Johnson, aka ahze!). So you only need this
> unless your ports tree is current as of now.
>
> Regards,
>
> Jens
Thanks, very helpful!
=2D-=20
=46reeBSD 7.0-CURRENT #0: Tue Nov 15 06:21:56 EST 2005 =20
root@clk01a:/usr/obj/usr/src/sys/CLK01A=20
PGP? : http://www.clkroot.net/security/nb_root.asc
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