Date: Fri, 04 Jul 2014 20:09:21 +0200 From: Hans Petter Selasky <hps@selasky.org> To: David Wolfskill <david@catwhisker.org>, stable@freebsd.org, "current@freebsd.org" <current@freebsd.org> Subject: [HEADS-UP] Problem with clang in 9-stable [was: r268244 (stable/9) seems to break "sysctl hw.ncpu"] Message-ID: <53B6EDD1.8030506@selasky.org> In-Reply-To: <20140704174705.GS6056@albert.catwhisker.org> References: <20140704123901.GR6056@albert.catwhisker.org> <53B6E218.5070009@selasky.org> <20140704174705.GS6056@albert.catwhisker.org>
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Hi, Can you try to reproduce this: Checkout 9-stable's src/sbin/sysctl only. cd /usr/9-stable/src/sbin/sysctl env CC=clang make clean all ./sysctl -n hw.ncpu Then: env CC=gcc make clean all ./sysctl -n hw.ncpu clang --version FreeBSD clang version 3.2 (tags/RELEASE_32/final 170710) 20121221 Target: x86_64-unknown-freebsd9.1 Thread model: posix gcc --version gcc (GCC) 4.2.1 20070831 patched [FreeBSD] Copyright (C) 2007 Free Software Foundation, Inc. .... When compiling the code with clang, no output is happening. When compiling with gcc, the FreeBSD 9-stable sysctl operates correctly. How do we proceed? Can more people check this and reproduce? When compiling the -10 and -11 version of sysctl with clang and gcc, everything is fine! Thank you! --HPS
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