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Date: Mon, 13 Sep 2004 11:50:12 +0200
From: "Simon L. Nielsen" <simon@FreeBSD.org>
To: Ruslan Ermilov <ru@FreeBSD.org>
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cc: Dima Dorfman <dd@FreeBSD.org>
Subject: Re: One method of compile testing WARNS changes on several
	architectures
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On 2004.09.13 12:19:43 +0300, Ruslan Ermilov wrote:

> To test with a minimal time effort, you do this (while in src/):
>=20
> $ make toolchain TARGET_ARCH=3D<arch>
>=20
> This step should be repeated for each architecture to be tested
> against.  This will take a lot of time, but an order less than a
> full buildworld.
>=20
> $ make _depend everything SUBDIR_OVERRIDER=3D<bit> TARGET_ARCH=3D<arch>
>=20
> (The underscore before "depend" is intentional.)  <bit> is a part
> of src/ tree that you want to test (can be a list), and <arch>
> should be looped over with each architecture to be tested against.
>=20
> Example.  To test if a changed bin/cat still compiles cleanly under
> Alpha and AMD64, e.g. due to you clamping down the WARNS level, you
> do this:
>=20
> 1.  Prepare the toolchains:
>=20
> make toolchain TARGET_ARCH=3Dalpha
> make toolchain TARGET_ARCH=3Damd64
>=20
> 2.  Test changes:
>=20
> make _depend everything SUBDIR_OVERRIDE=3Dbin/cat TARGET_ARCH=3Dalpha
> make _depend everything SUBDIR_OVERRIDE=3Dbin/cat TARGET_ARCH=3Damd64
>=20
> 3.  You can then modify cat's sources/makefile, and repeat step #2.
>=20
> P.S.  The syntax for PC98 would be "TARGET_ARCH=3Di386 TARGET=3Dpc98".

This seems like something that IMO really should be put in some
documentation.  Perhaps the Developers Handbook?  (I can Docbook'ify
it if needed).


--=20
Simon L. Nielsen
FreeBSD Documentation Team

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