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Subject: Re: [CFT] Buildworld ccache support
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References: <561FC81B.1090309@FreeBSD.org> <27231.1446010033@chaos>
Cc: "Simon J. Gerraty" <sjg@juniper.net>, current@freebsd.org
From: Bryan Drewery <bdrewery@FreeBSD.org>
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Date: Wed, 28 Oct 2015 11:43:23 -0700
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On 10/27/2015 10:27 PM, Simon J. Gerraty wrote:
> Bryan Drewery <bdrewery@freebsd.org> wrote:
>> https://people.freebsd.org/~bdrewery/patches/world-ccache.diff
>=20
> In the Junos build - where we used ccache for quite some time
> I did:
>=20
> _CC :=3D ${CC}
> CC =3D ${CCACHE_ENV} ${_CC}
>=20
> Since sometimes you want the compiler without ccache - eg when linking.=
Yes, I ended up changing the patch significantly to avoid using it for
mkdep and linking. I moved away from using PATH as well since it is
obscure about whether ccache is being used or not. I now always modify C=
C.
>=20
> That needs to happen after CC is determined of course.
>=20
> If the include of bsd.mkopt.mk were moved to after the inlcude of
> local.sys.env.mk, then you could simply:
>=20
> __DEFAULT_NO_OPTIONS+=3D CCACHE_BUILD
>=20
> there or in src.sys.env.mk
>=20
>>
>> To use just set WITH_CCACHE_BUILD=3D in src.conf or make.conf. I
>> purposely matched it to the same as the ports build.
>>
>> Thanks!
--=20
Regards,
Bryan Drewery
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