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Date:      Thu, 5 May 2011 17:55:51 +0200
From:      Roman Divacky <rdivacky@freebsd.org>
To:        Olivier Smedts <olivier@gid0.org>
Cc:        "O. Hartmann" <ohartman@zedat.fu-berlin.de>, current@freebsd.org
Subject:   Re: Clang error make buildworld
Message-ID:  <20110505155551.GA99006@freebsd.org>
In-Reply-To: <BANLkTimkOU9NDUONH1r=qX68iwj4W5LVpg@mail.gmail.com>
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>

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> clang -O2 -pipe -march=native -fomit-frame-pointer
> -DATJOB_DIR=\"/var/at/jobs/\"  -DLFILE=\"/var/at/jobs/.lockfile\"
> -DLOADAVG_MX=1.5 -DATSPOOL_DIR=\"/var/at/spool\"  -DVERSION=\"2.9\"
> -DDAEMON_UID=1 -DDAEMON_GID=1  -DDEFAULT_BATCH_QUEUE=\'E\'
> -DDEFAULT_AT_QUEUE=\'c\' -DPERM_PATH=\"/var/at/\"
> -I/usr/src/libexec/atrun/../../usr.bin/at -I/usr/src/libexec/atrun
> -DLOGIN_CAP -DPAM -std=gnu99 -fstack-protector -Wsystem-headers -Wall
> -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -c
> /usr/src/libexec/atrun/gloadavg.c
> clang -O2 -pipe -march=native -fomit-frame-pointer
> -DATJOB_DIR=\"/var/at/jobs/\"  -DLFILE=\"/var/at/jobs/.lockfile\"
> -DLOADAVG_MX=1.5 -DATSPOOL_DIR=\"/var/at/spool\"  -DVERSION=\"2.9\"
> -DDAEMON_UID=1 -DDAEMON_GID=1  -DDEFAULT_BATCH_QUEUE=\'E\'
> -DDEFAULT_AT_QUEUE=\'c\' -DPERM_PATH=\"/var/at/\"
> -I/usr/src/libexec/atrun/../../usr.bin/at -I/usr/src/libexec/atrun
> -DLOGIN_CAP -DPAM -std=gnu99 -fstack-protector -Wsystem-headers -Wall
> -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign  -o atrun atrun.o
> gloadavg.o -lpam -lutil
> clang: warning: argument unused during compilation: '-std=gnu99'
> /usr/obj/usr/src/tmp/usr/lib/crt1.o: In function `_start':
> /usr/src/lib/csu/amd64/crt1.c:(.text+0x5d): undefined reference to `atexit'


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=native ?



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