Date: Sat, 12 Oct 2019 14:23:20 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Andriy Gapon <avg@FreeBSD.org> Cc: FreeBSD Current <freebsd-current@FreeBSD.org> Subject: Re: error installing world from R/O src and obj Message-ID: <06089B3D-BE35-45BA-A423-B612859E449E@FreeBSD.org> In-Reply-To: <0c1b2acf-616e-961b-85ab-95bac799160c@FreeBSD.org> References: <f1ed5336-a7ff-f1b6-2207-661b929db9a7@FreeBSD.org> <615802a3-5d37-b27a-3530-77d4214a34ee@FreeBSD.org> <2DADF173-BC39-4C86-BFA3-001B409A585D@FreeBSD.org> <0c1b2acf-616e-961b-85ab-95bac799160c@FreeBSD.org>
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--Apple-Mail=_4F7B14CD-E20E-421F-AC6F-ABB09BA7652A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 11 Oct 2019, at 20:00, Andriy Gapon <avg@FreeBSD.org> wrote: >=20 > On 11/10/2019 20:51, Dimitry Andric wrote: >> On 11 Oct 2019, at 11:24, Andriy Gapon <avg@FreeBSD.org> wrote: >>>=20 >>> On 11/10/2019 12:05, Andriy Gapon wrote: >>>>=20 >>>> Attempting to install r353380 (amd64) with src and obj mounted via = NFS. >>>> The world has just been built albeit with NO_CLEAN=3D1. >>>> Getting this: >>>> ... >>>> =3D=3D=3D> lib/clang (install) >>>> =3D=3D=3D> lib/clang/libllvm (install) >>>> =3D=3D=3D> lib/clang/libclang (install) >>>> =3D=3D=3D> lib/clang/liblldb (install) >>>> =3D=3D=3D> lib/clang/headers (install) >>>> clang-tblgen -gen-arm-fp16 -I >>>> = /usr/devel/svn/quick-head/contrib/llvm/tools/clang/include/clang/Basic = -d >>>> arm_fp16.h.d -o arm_fp16.h >>>> = /usr/devel/svn/quick-head/contrib/llvm/tools/clang/include/clang/Basic/arm= _fp16.td >>>> clang-tblgen: error opening arm_fp16.h.d:Read-only file system >>>> *** Error code 1 >>>>=20 >>>> Stop. >>>>=20 >>>> The command is: >>>> make installworld __MAKE_CONF=3D/dev/null SRCCONF=3D/dev/null = DB_FROM_SRC=3D1 DESTDIR=3D/mnt >>>>=20 >>>=20 >>> It seems that buildworld NO_CLEAN=3D1 is not regenerating that = header for some reason. >>> The command was: make buildworld -s -j12 __MAKE_CONF=3D/dev/null = SRCCONF=3D/dev/null >>> NO_CLEAN=3D1 >>>=20 >>> If I do make buildenv and then cd lib/clang/headers/ and run make = there, I see this: >>> $ make >>> clang-tblgen -gen-arm-fp16 -I >>> = /usr/devel/svn/quick-head/contrib/llvm/tools/clang/include/clang/Basic = -d >>> arm_fp16.h.d -o arm_fp16.h >>> = /usr/devel/svn/quick-head/contrib/llvm/tools/clang/include/clang/Basic/arm= _fp16.td >>>=20 >>> But afterwards: >>> $ ls -l = /usr/obj/usr/devel/svn/quick-head/amd64.amd64/lib/clang/headers/arm_fp16.h= * >>> -rw-r--r-- 1 avg wheel 36361 21 Jun 15:12 >>> = /usr/obj/usr/devel/svn/quick-head/amd64.amd64/lib/clang/headers/arm_fp16.h= >>> -rw-r--r-- 1 avg wheel 100 11 Oct 12:16 >>> = /usr/obj/usr/devel/svn/quick-head/amd64.amd64/lib/clang/headers/arm_fp16.h= .d >>>=20 >>> The .h.d file has a fresh timestamp, but .h is still old. >>=20 >> The files should be generated when "make depend" is run, but are your >> NFS server and client clocks in sync? Usually this kind of thing is >> caused by time differences. >=20 > Yes, they are in sync. > Could it be that clang-tblgen for some reason does not overwrite the = existing file? It should error out under that condition. In any case, I tried but cannot reproduce the problem on my side. I updated to r353444, set the filesystem containing the sources ro, then did a normal buildworld, followed by a NO_CLEAN buildworld. Both just worked as they should. By any chance, did you upgrade src from before r353358 (llvm 9.0.0 import) to a revision after it, and then did an incremental build? Maybe, for some reason the depend stage is then not run, which could lead to this scenario. -Dimitry --Apple-Mail=_4F7B14CD-E20E-421F-AC6F-ABB09BA7652A Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCXaHFuAAKCRCwXqMKLiCW o49VAJ9LAWtYbUPvPztuM0kxJD4+cHiq0gCggshSKz78jxRTlrTqYoWrV6EV4zA= =7K5L -----END PGP SIGNATURE----- --Apple-Mail=_4F7B14CD-E20E-421F-AC6F-ABB09BA7652A--
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