Date: Mon, 29 Aug 2016 11:12:17 -0700 From: "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com> To: Bryan Drewery <bdrewery@FreeBSD.org> Cc: Li-Wen Hsu <lwhsu@FreeBSD.org>, "jenkins-admin@freebsd.org" <jenkins-admin@freebsd.org>, "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>, Dimitry Andric <dim@FreeBSD.org> Subject: Re: Jenkins build is still unstable: FreeBSD_HEAD #564 Message-ID: <F144F428-A8B6-4E95-999E-D20B0A7B62C2@gmail.com> In-Reply-To: <3B60A57F-778C-4E7C-B081-098C0F6E92D2@gmail.com> References: <1491374121.44.1472440150670.JavaMail.jenkins@jenkins-9.freebsd.org> <166099893.51.1472451061454.JavaMail.jenkins@jenkins-9.freebsd.org> <CAG=rPVdZp171Egp=OHWDc3qCgcJDE3HQ0rv-j=i%2BO1LHcfH%2BJQ@mail.gmail.com> <CFA236ED-7DE0-4BE1-B944-52284E2FB6E0@FreeBSD.org> <6E443BB8-0269-4812-A2F4-40AA303E69C6@FreeBSD.org> <CAG=rPVdfgoF0mts-edHATUaefD7YuGtNu5ZTJOa8efUn2W4QuA@mail.gmail.com> <8058052E-A09A-403E-828A-74B51ED4BBF4@FreeBSD.org> <20160829163911.GA51650@FreeBSD.cs.nctu.edu.tw> <E73154DF-6A88-457D-B1FF-6B7F7610C37F@FreeBSD.org> <4b8980f0-1a90-40d7-45b3-9569b321d1c6@FreeBSD.org> <20160829175247.GA10263@FreeBSD.cs.nctu.edu.tw> <CAA41D00-2451-42EC-B9FD-3E31F42F9CF6@gmail.com> <31f11ba3-ca29-0f85-f1c1-6a3cd467bb57@FreeBSD.org> <67E84707-3267-49F3-8DB6-13CBD05B1690@gmail.com> <B014DD06-4BB2-4503-8908-C78EFEE0FCA2@gmail.com> <3B60A57F-778C-4E7C-B081-098C0F6E92D2@gmail.com>
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> On Aug 29, 2016, at 11:10, Ngie Cooper (yaneurabeya) =
<yaneurabeya@gmail.com> wrote:
=E2=80=A6
> Ok, found a likely culprit: =
lib/clang/include/clang/Config/config.h. DEFAULT_SYSROOT=E2=80=99s =
probably being stored in the compiler, somehow=E2=80=A6
> Cheers,
> -Ngie
>=20
> 24 /* Default <path> to all compiler invocations for --sysroot=3D<path>.=
*/
> 25 /* #undef DEFAULT_SYSROOT */
>=20
> $ grep -r DEFAULT_SYSROOT lib/clang/
> lib/clang/include/clang/Config/config.h:/* #undef DEFAULT_SYSROOT */
> lib/clang/clang.build.mk: =
-DDEFAULT_SYSROOT=3D\"${TOOLS_PREFIX}\=E2=80=9D
> $ cc -print-search-dirs
> programs: =3D/usr/bin
> libraries: =3D/usr/bin/../lib/clang/3.8.0:/usr/lib
Yup. Here=E2=80=99s the smoking gun:
$ grep -r TOOLS_PREFIX Makefile*
Makefile.inc1: TOOLS_PREFIX=3D${WORLDTMP} \
Makefile.inc1:XMAKE=3D TOOLS_PREFIX=3D${WORLDTMP} ${BMAKE} \
Makefile.inc1:KTMAKE=3D TOOLS_PREFIX=3D${WORLDTMP} =
MAKEOBJDIRPREFIX=3D${WORLDTMP} \
Makefile.inc1:# The internal bootstrap compiler has a default sysroot =
set by TOOLS_PREFIX
Makefile.inc1: TOOLS_PREFIX=3D${XDTP}
TOOLS_PREFIX needs to be set to the system path when compiling =
the copy of clang that goes into /usr/bin.
Thanks,
-Ngie
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