Date: Tue, 31 Mar 2015 17:09:15 -0700 From: Warner Losh <imp@bsdimp.com> To: Craig Rodrigues <rodrigc@FreeBSD.org> Cc: "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org>, Dimitry Andric <dim@freebsd.org> Subject: Re: CROSS_TOOLCHAIN=amd64-gcc fails to build after clang 3.6.0 import Message-ID: <94264E89-1AED-4704-A922-A11D05EEFE34@bsdimp.com> In-Reply-To: <CAG=rPVdYvrBt5Hd=b7p5PKa=duL5=L87c=8ifDSmgU9gSG-Fag@mail.gmail.com> References: <CAG=rPVe%2BzAuD_wuUC1Hro%2BTup5zWv85J3LHezYD0y=M8U2SRTg@mail.gmail.com> <5F90BE99-E82C-4444-9E4C-5963B40AA3B0@FreeBSD.org> <CAG=rPVfaoL5SLUY%2BpjAe2FM1EYD_cGF-vy7vOsSu6EUSyJW5yQ@mail.gmail.com> <C3DE89BD-C00C-4E20-A599-D987FA33A029@FreeBSD.org> <D0608943-2DB0-453C-922C-3D29935346C4@FreeBSD.org> <CAG=rPVefo4BvRPiXhhESj9TrALDQeMY17ua7sTY2zvNmdFN5Ow@mail.gmail.com> <5B103C77-EA63-4C04-95FE-B138CF46F01C@FreeBSD.org> <CAG=rPVcgRo%2BUCdxh0-03O3AXYgGKVhtALMDpoT8FAZG3y4J0cQ@mail.gmail.com> <EFFDFA87-FB31-4ADB-BAFB-30025BA83621@FreeBSD.org> <CAG=rPVdYvrBt5Hd=b7p5PKa=duL5=L87c=8ifDSmgU9gSG-Fag@mail.gmail.com>
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[-- Attachment #1 --] > On Mar 31, 2015, at 1:43 PM, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: > > On Tue, Mar 31, 2015 at 1:41 PM, Dimitry Andric <dim@freebsd.org> wrote: > >> On 31 Mar 2015, at 22:06, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: >>> >>> On Tue, Mar 31, 2015 at 12:48 PM, Dimitry Andric <dim@freebsd.org> >> wrote: >>> On 31 Mar 2015, at 21:38, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: >>>> >>>> On Tue, Mar 31, 2015 at 11:20 AM, Dimitry Andric <dim@freebsd.org> >> wrote: >>>> >>>>> On 31 Mar 2015, at 20:13, Dimitry Andric <dim@FreeBSD.org> wrote: >>>>> ... >>>>>> but then: >>>>>> >>>>>> + patch >>>>>> Hmm... Looks like a unified diff to me... >>>>>> The text leading up to this was: >>>>>> -------------------------- >>>>>> |Index: contrib/libc++/include/type_traits >>>>>> |=================================================================== >>>>>> |--- contrib/libc++/include/type_traits (revision 280762) >>>>>> |+++ contrib/libc++/include/type_traits (working copy) >>>>>> -------------------------- >>>>>> Patching file contrib/libc++/include/type_traits using Plan A... >>>>>> Reversed (or previously applied) patch detected! Assume -R? [y] >>>>>> Hunk #1 succeeded at 842. >>>>>> Hunk #2 succeeded at 877. >>>>>> Hmm... Ignoring the trailing garbage. >>>>>> done >>>>>> >>>>>> E.g., it undoes the change to type_traits that was merged in the >>>>> subversion update. >>>>> >>>>> >>>> OK, I undid the patch. Now the clang and libc++ parts build, but I'm >>>> still getting problems building rescue: >>>> >>>> >> https://jenkins.freebsd.org/job/FreeBSD_HEAD_external_toolchain_gcc/29/console >>> >>> Hm, that is strange. I have just completed a build with >>> amd64-xtoolchain-gcc, and apart from boot2, everything worked... >>> >>> What does readelf say when you run it on the cat.lo file which is >>> complained about in the log? And what happens if you delete it, and >>> restart the build? >>> >>> See: >>> >> https://lists.freebsd.org/pipermail/freebsd-toolchain/2015-March/001545.html >> >> I'm suspecting this might have something to do with crunchide, or least, >> the copy of crunchide that is run for this: >> >> --- cat.lo --- >> /usr/local/x86_64-freebsd/bin/ld -dc -r -o cat.lo cat_stub.o >> /builds/FreeBSD_HEAD_external_toolchain_gcc/obj/builds/FreeBSD_HEAD_external_toolchain_gcc/rescue/rescue//builds/FreeBSD_HEAD_external_toolchain_gcc/bin/cat/cat.o >> crunchide -k _crunched_cat_stub cat.lo >> >> If I look at my own build logs, it seems to pick the crunchide >> executable in /usr/bin, and Makefile.inc1 does *not* build it during the >> cross-tools stage if ${TARGET_ARCH} is the same as ${MACHINE_ARCH}: >> >> .if ${TARGET_ARCH} != ${MACHINE_ARCH} >> .if ${MK_RESCUE} != "no" || defined(RELEASEDIR) >> _crunchide= usr.sbin/crunch/crunchide >> .endif >> >> However, this does not explain why my /usr/bin/crunchide seems to not >> screw up cat.lo, while yours does. As far as I can see, we're both >> building this on a stable/10 amd64 box... >> > >> Maybe, as a hack, you can force cross-tools to build crunchide, by >> patching Makefile.inc1 to ignore the arch check, and see what that >> results in? >> > > > > Well my build host is 10.1-RELEASE, so maybe there are changes > that went into 10-STABLE after 10.1 that prevent this from working. > > I'll give a shot at hacking things and let you know how far I get. BTW, we don’t officially support 4.8 / 4.9 yet. There are things that are known to be broken with it, and since we don’t tinderbox it, it is likely that we’ll break it over and over again… When I was building it, as a test, I used WITHOUT_RESCUE. Warner [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJVGzcsAAoJEGwc0Sh9sBEAw3EP/2jxzkUgh5O9rP1Ej/bbkJJN ejsgEUS0/r2lb8x9jGXgVZZRq12mKx90IeWmxXXcIsZydhGT5ybBGw/kzwW1NYu4 h1ZQQeq07kvb5vuQXJeQoKhK65U/ff9OtgyAdqFWckHr2fpGJio3u3bhdm6Xnysq qaxfTLHmueRzLex7Sf4Qria6ovgvGw1GZNTOOea3SwNif25IZLgnn2odU+l+jsGN 3hONKV+/36BuJX1eoJyz6Ofmcjl5VRezPUAwDGPGAiCGnYL0xjkMYsccKx4Intsg yN9plR0VYtpJYYvxbPz3Q+4pmv/c8NvtzE7eKua3E0ansIdMHfI9mUG63bFJoRqI OpDBQTHPBOhsWjITyhQtj860ZAtnUFZ4PkBwt2dBmXGr60HGqIbkFV/sRneSINl8 FjM6cU4rZKGh7RTXZJ6y6w4VbfA90qMlt9hx5lxuGXwIY8iK5Fw0TSrQzkx7Qqco BiZmhLAngYGG0c2HW3CWNotqKdkYoYdFE2z4aAJZfcv4NNu1ifqKeBtRuEh++eOR JXIFxLTm5vmeBeEIz6KSIq/eREfUXOTWqpxWQvhmFcFTrtnQQ4u5jBTWSSZOpHWe bJ2BLkfgpDQm23Kuw6tSSfd2x5SZi90oGG38KGFluLP8T/HrXLGMlmHAsObxBvQL Mux8APFKvSLfOVc2onqr =vB+X -----END PGP SIGNATURE-----
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