Re: POLA.. missing --sysroot option in ld?
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On Wed, Apr 30, 2014 at 11:02:31PM -0600, Warner Losh wrote:
>=20
> On Apr 29, 2014, at 10:23 PM, Julian Elischer <julian@FreeBSD.org> wrote:
>=20
> > On 4/30/14, 10:36 AM, Julian Elischer wrote:
> >> In our 8.0 based systems at $JOB our build environment made heavy use =
of the --sysroot option in gcc and ld.
> >>=20
> >> We are trying to move up to a newer release but suddenly the --sysroot=
option has disappeared.
> >>=20
> >> we get the message "/usr/bin/ld: this linker was not configured to use=
sysroots"
> > more spefically the following command (from 'configure') fails on "near=
9"
> > and succeeds on 8.0.
> >=20
> > configure:3352: /usr/bin/gcc -Wall -Wno-unused-parameter -nostdinc -is=
ystem /usr/build/buildroot/tools/x86_gcc4.2.4/usr/include --sysroot /usr/bu=
ild/buildroot/tools/x86_gcc4.2.4 -Wall -Wno-unused-parame
> > ter -nostdinc -isystem /usr/build/buildroot/tools/x86_gcc4.2.4/usr/inc=
lude --sysroot /usr/build/buildroot/tools/x86_gcc4.2.4 --sysroot /usr/buil=
d/buildroot/tools/x86_gcc4.2.4 -L/usr/build/buildroot/too
> > ls/x86_gcc4.2.4/lib -L/usr/build/buildroot/tools/x86_gcc4.2.4/usr/lib c=
onftest.c >&5
> >>=20
> >> Does anyone know what happened? and when, and by who?
> >> I have looked in the Makefiles and configuration files in SVN and I ca=
n't see a change that would have done this..
> >> of course the building of these tools is rather complex so I may have =
missed some place..
>=20
> Yea, I looked too and don?t see anything. I thought it was broken in more=
like 2005 not 2011. You?re only hope is to bisect the tree down to the cha=
nge that caused it?
It's been broken since at least the last binutils import and probably
longer since the inane ld behavior of activating --sysroot only when
built with a specified sysroot is from upstream. The fix is trivial, just
merge r257268 and r257530 to the branch you are using.
-- Brooks
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