Date: Thu, 5 May 2011 18:51:37 +0200 From: Olivier Smedts <olivier@gid0.org> To: Roman Divacky <rdivacky@freebsd.org> Cc: "O. Hartmann" <ohartman@zedat.fu-berlin.de>, current@freebsd.org Subject: Re: Clang error make buildworld Message-ID: <BANLkTim%2B9sFR9jjgT8XAK0kGw3h9wd08HQ@mail.gmail.com> In-Reply-To: <20110505155551.GA99006@freebsd.org> References: <201105040107.p4417NTR048534@pozo.com> <4DC0F46C.3020806@FreeBSD.org> <201105041344.p44DiOId032272@pozo.com> <4DC160B9.5060004@FreeBSD.org> <4DC2A0E5.5040602@zedat.fu-berlin.de> <BANLkTimiU42U0m5nCo=hSdaUF50rwnOk4w@mail.gmail.com> <20110505135458.GA79622@freebsd.org> <BANLkTimkOU9NDUONH1r=qX68iwj4W5LVpg@mail.gmail.com> <20110505155551.GA99006@freebsd.org>
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2011/5/5 Roman Divacky <rdivacky@freebsd.org>: >> clang -O2 -pipe -march=3Dnative -fomit-frame-pointer >> -DATJOB_DIR=3D\"/var/at/jobs/\" =A0-DLFILE=3D\"/var/at/jobs/.lockfile\" >> -DLOADAVG_MX=3D1.5 -DATSPOOL_DIR=3D\"/var/at/spool\" =A0-DVERSION=3D\"2.= 9\" >> -DDAEMON_UID=3D1 -DDAEMON_GID=3D1 =A0-DDEFAULT_BATCH_QUEUE=3D\'E\' >> -DDEFAULT_AT_QUEUE=3D\'c\' -DPERM_PATH=3D\"/var/at/\" >> -I/usr/src/libexec/atrun/../../usr.bin/at -I/usr/src/libexec/atrun >> -DLOGIN_CAP -DPAM -std=3Dgnu99 -fstack-protector -Wsystem-headers -Wall >> -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -c >> /usr/src/libexec/atrun/gloadavg.c >> clang -O2 -pipe -march=3Dnative -fomit-frame-pointer >> -DATJOB_DIR=3D\"/var/at/jobs/\" =A0-DLFILE=3D\"/var/at/jobs/.lockfile\" >> -DLOADAVG_MX=3D1.5 -DATSPOOL_DIR=3D\"/var/at/spool\" =A0-DVERSION=3D\"2.= 9\" >> -DDAEMON_UID=3D1 -DDAEMON_GID=3D1 =A0-DDEFAULT_BATCH_QUEUE=3D\'E\' >> -DDEFAULT_AT_QUEUE=3D\'c\' -DPERM_PATH=3D\"/var/at/\" >> -I/usr/src/libexec/atrun/../../usr.bin/at -I/usr/src/libexec/atrun >> -DLOGIN_CAP -DPAM -std=3Dgnu99 -fstack-protector -Wsystem-headers -Wall >> -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign =A0-o atrun atrun.o >> gloadavg.o -lpam -lutil >> clang: warning: argument unused during compilation: '-std=3Dgnu99' >> /usr/obj/usr/src/tmp/usr/lib/crt1.o: In function `_start': >> /usr/src/lib/csu/amd64/crt1.c:(.text+0x5d): undefined reference to `atex= it' > > > Can you invoke this very same command (ie. linking) with -### and show me= ? > Does it work when you try to link the same .o files without specifying > -march=3Dnative ? I'm going to try. In the meantime, I did other tests on this machine, which is detected by clang as -march=3Dcorei7. Compiling this with the system's clang (which has been compiled with -march=3Dcore2) and -march=3Dcore2 is OK. Compiling this with the system's clang (which has been compiled with -march=3Dcore2) and -march=3Dnative is OK. Compiling this with the bootstrap clang (which has been compiled with -march=3Dnative) and -march=3Dnative FAILS. The problem seems to be inside the clang compiled with -march=3Dnative. Next, I'm going to try with a bootstrap clang compiled with -march=3Dcorei7. --=20 Olivier Smedts=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 _ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 ASCII ribbon campaign ( ) e-mail: olivier@gid0.org=A0 =A0 =A0 =A0 - against HTML email & vCards=A0 X www: http://www.gid0.org=A0 =A0 - against proprietary attachments / \ =A0 "Il y a seulement 10 sortes de gens dans le monde : =A0 ceux qui comprennent le binaire, =A0 et ceux qui ne le comprennent pas."
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