Date: Fri, 22 Nov 2002 13:38:10 +0200 From: Ruslan Ermilov <ru@FreeBSD.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: "M. Warner Losh" <imp@bsdimp.com>, current@FreeBSD.org Subject: Re: Cross-Development with NetBSD Message-ID: <20021122113810.GA11000@sunbay.com> In-Reply-To: <3DDD3432.2E7950A@mindspring.com> References: <20021121151714.U961-100000@squirm.dsto.defence.gov.au> <20021121.001014.56348240.imp@bsdimp.com> <20021121102050.GC81999@sunbay.com> <20021121.062809.64538355.imp@bsdimp.com> <20021121142826.GA12467@sunbay.com> <3DDD3432.2E7950A@mindspring.com>
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On Thu, Nov 21, 2002 at 11:29:54AM -0800, Terry Lambert wrote:
> Ruslan Ermilov wrote:
> > > NetBSD builds a directory full of tools that you can later use to
> > > incrementally build, say, 'ls' or 'cat' because one can define
> > > USETOOLS to be 'yes' and have the make automatically pick them up when
> > > rebuilding. There are a few of the details I'm a little unclear on,
> > > but that's the jist of it.
> >
> > We also can, this just requires a few really tiny tweaks to Makefile.in=
c1,
> > and I've posted them already some time ago -- basically, for each archi=
tecture
> > you should build the subset of buildworld targets (WMAKE_TGTS), up to a=
nd
> > including _libraries (if you want to build roughly any bit later), and
> > them you can ``make {depend|all} SUBDIR_OVERRIDE=3Dbin/cat'' for each of
> > the desired TARGET_ARCH.
>=20
> Any ETA on when this will be committed?
>=20
It's already available, in some form (please see the attached).
> > I know that the Alpha and sparc64 binaries produced on i386 work.
>=20
> I thought that the Alpha boot blocks ended up too large in the
> cross-build case? They did, last time I tried it.
>=20
"Binaries" in the usual sense -- libraries and programs. As for
boot blocks, they seem to be fine nowadays -- but I lack the
necessary h/w to actually test (and fix if needed the building of)
them:
ftp://ftp.sunbay.net/pub/FreeBSD/snapshots/alpha/
> > I know that cross-compiling i386 on either Alpha or sparc64 is
> > broken (GCC sometimes produces different assembler output than
> > the native compiler). I lack the necessary hardware to actually
> > test/fix the issues with cross-releases.
>=20
> I don't think he was attacking you, personally, to ask you to
> fix the problem, I think he was just noting the problem exists.
>=20
I don't think either -- please see my reply to Warner. :-)
> One thing that would help a lot -- and probably be helpful in
> general -- would be a binary compare tool that ignored date
> stamps in things like libraries, tar images, etc., so that you
> could compare where things differ, easily, allowing someone to
> track down differences.
>=20
I use -save-temps option to cc(1) to do this, if I find any
differences, and compare .s and .i files instead.
> It would be helpful in general to be able to compare what you
> built vs. a release version, to assemble binary only delta lists,
> for preparations for upgrade tools, etc..
>=20
> I keep meaning to do this, but I really don't want to have to
> release the tool under the GPL, if I don't have to.
Cheers,
--=20
Ruslan Ermilov Sysadmin and DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
http://www.oracle.com Enabling The Information Age
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Date: Wed, 7 Aug 2002 11:22:01 +0300
From: Ruslan Ermilov <ru@FreeBSD.org>
To: Mark Peek <mark@peek.org>
Subject: Re: Improving cross platform testing
Message-ID: <20020807082201.GA43529@sunbay.com>
References: <p05111a13b965bfe890e8@[10.1.1.73]> <20020725155042.GA26249@sunbay.com> <p05111a00b966678473b7@[10.1.10.118]>
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On Thu, Jul 25, 2002 at 07:46:50PM -0700, Mark Peek wrote:
> At 6:50 PM +0300 7/25/02, Ruslan Ermilov wrote:
> >How about this simple script (tinder.sh)?
> >
> >: #!/bin/sh
> >: cd /usr/src
> >: ARCHES=3D"i386 alpha sparc64"
> >: if [ "x$1" =3D "x" ]; then
> >: for arch in ${ARCHES}; do
> >: make TARGET_ARCH=3D${arch} -j4 -m/usr/src/share/mk \
> >: -fMakefile.inc1 -DNOCLEAN crossenv
> >: done
> >: else
> >: for arch in ${ARCHES}; do
> >: for target in cleandir obj depend all; do
> >: make TARGET_ARCH=3D${arch} ${target} SUBDIR_OVERRIDE=3D$1
> >: done
> >: done
> >: fi
> >
> >You could then run it twice:
> >
> >sh ./tinder.sh (rebuild cross environment: compiler, binutils, headers,=
=20
> >libs)
> >
> >sh ./tinder.sh bin/tcsh (test if bin/tcsh builds ok)
> >
> >
> >... with this small assorted patch for Makefile.inc1, just to avoid doing
> >a whole buildworld; we need it for PicoBSD anyway:
> >
> >%%%
> >Index: Makefile.inc1
> >=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >RCS file: /home/ncvs/src/Makefile.inc1,v
> >retrieving revision 1.297
> >diff -u -p -u -r1.297 Makefile.inc1
> >--- Makefile.inc1 24 Jul 2002 23:08:57 -0000 1.297
> >+++ Makefile.inc1 25 Jul 2002 15:37:51 -0000
> >@@ -329,6 +329,8 @@ WMAKE_TGTS+=3D _includes _libraries _depen
> > buildworld: ${WMAKE_TGTS}
> > .ORDER: ${WMAKE_TGTS}
> >
> >+crossenv: ${WMAKE_TGTS:N_depend:Neverything}
> >+
> > #
> > # installcheck
> > #
> >%%%
>=20
>=20
> Very cool! I like it in principle! :-) The crossenv build worked fine=20
> but the compilation of bin/tcsh only resulted in building 3 copies of=20
> the i386 tcsh. I think it needs the WMAKE environment exported so it=20
> has the path to the cross compiler and points to the appropriate=20
> OBJDIR.
>=20
Here's the new script that should work. Sorry for a late reply.
Cheers,
--=20
Ruslan Ermilov Sysadmin and DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
http://www.oracle.com Enabling The Information Age
--l76fUT7nc3MelDdI
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# -lt 1 ] && usage=0A=0Acd ${SRC} || exit 1=0A=0Acase "$1" in=0Acrossenv)=
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=3D${arch} -j4 -m${SRC}/share/mk \=0A -fMakefile.inc1 -DNOCLEAN crosse=
nv=0A done=0A ;;=0A*)=0A for arch in ${ARCHES}; do=0A for target in _cleano=
bj _obj _depend everything; do=0A make TARGET_ARCH=3D${arch} -m${SRC}/shar=
e/mk \=0A -fMakefile.inc1 ${target} SUBDIR_OVERRIDE=3D"$*"=0A done=0A =
done=0A ;;=0Aesac=0A
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