From owner-freebsd-current@FreeBSD.ORG Wed Sep 29 17:32:02 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 19053106564A; Wed, 29 Sep 2010 17:32:02 +0000 (UTC) (envelope-from rdivacky@vlk.vlakno.cz) Received: from vlakno.cz (lev.vlakno.cz [77.93.215.190]) by mx1.freebsd.org (Postfix) with ESMTP id 8BF198FC1E; Wed, 29 Sep 2010 17:32:01 +0000 (UTC) Received: from lev.vlakno.cz (localhost [127.0.0.1]) by vlakno.cz (Postfix) with ESMTP id 9EBB39CB084; Wed, 29 Sep 2010 19:31:59 +0200 (CEST) X-Virus-Scanned: amavisd-new at vlakno.cz Received: from vlakno.cz ([127.0.0.1]) by lev.vlakno.cz (lev.vlakno.cz [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YlNnmS4oklBs; Wed, 29 Sep 2010 19:31:58 +0200 (CEST) Received: from vlk.vlakno.cz (localhost [127.0.0.1]) by vlakno.cz (Postfix) with ESMTP id 8AA209CB213; Wed, 29 Sep 2010 19:31:58 +0200 (CEST) Received: (from rdivacky@localhost) by vlk.vlakno.cz (8.14.4/8.14.4/Submit) id o8THVwS6073793; Wed, 29 Sep 2010 19:31:58 +0200 (CEST) (envelope-from rdivacky) Date: Wed, 29 Sep 2010 19:31:58 +0200 From: Roman Divacky To: Derek Tattersall Message-ID: <20100929173158.GA73653@freebsd.org> References: <4C99A53E.7060707@FreeBSD.org> <20100929002843.GA5001@oriental.arm.org> <4CA2E00D.3080102@FreeBSD.org> <4CA3244D.7030907@FreeBSD.org> <20100929155659.GA82433@oriental.arm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100929155659.GA82433@oriental.arm.org> User-Agent: Mutt/1.4.2.3i Cc: Renato Botelho , Dimitry Andric , current@freebsd.org Subject: Re: Clang now builds world and kernel, on i386 and amd64 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Sep 2010 17:32:02 -0000 On Wed, Sep 29, 2010 at 11:56:59AM -0400, Derek Tattersall wrote: > * Dimitry Andric [100929 08:55]: > > On 2010-09-29 13:23, Renato Botelho wrote: > > > #!/usr/bin/perl > > > > > > use File::Temp; > > > > > > my ( $fh, $filename ) = File::Temp::tempfile(); > > > print "$filename\n"; > > > > For me it works perfectly, though I am using perl 5.10: > > > > $ cat foo.pl > > #!/usr/bin/perl > > > > use File::Temp; > > > > my ( $fh, $filename ) = File::Temp::tempfile(); > > print "$filename\n"; > > $ perl -v > > > > This is perl, v5.10.1 (*) built for i386-freebsd-64int > > > > Copyright 1987-2009, Larry Wall > > > > Perl may be copied only under the terms of either the Artistic License or the > > GNU General Public License, which may be found in the Perl 5 source kit. > > > > Complete documentation for Perl, including FAQ lists, should be found on > > this system using "man perl" or "perldoc perl". If you have access to the > > Internet, point your browser at http://www.perl.org/, the Perl Home Page. > > > > $ perl foo.pl > > /tmp/tv25CPnWhF > > $ perl foo.pl > > /tmp/L2UJQ5_JJs > > $ perl foo.pl > > /tmp/6ynQYvWIc1 > > $ perl foo.pl > > /tmp/Tdpf7PKBMg > > $ perl foo.pl > > /tmp/76ir2i1ici > > $ perl foo.pl > > /tmp/LhfD0eZgd8 > > > > I'll try building perl 5.12 and try it again. > > > > Btw, I assume you did *not* rebuild perl with clang, so your perl is > > still compiled with gcc? > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > I built a test case using perl 5.12 and demonstrated that calling int(rand()) > in perl returns NAN, as does calling rand() by itself. A "C" program > that calls libc's rand() does return differing integers. The perl > documentation claims that perl's rand() calls "C"s rand() and srand() if > necessary. I think this effectively demonstrates that the problem lies > with the perl function rand() and it's interface to libc's rand() as > provided by clang. > > On a recent stable system, perl's mktemp works fine. The only real > difference is that libc on stable is built with gcc and libc on current > is built with clang. what does this show with clang libc? perl -e 'print int(rand(60)) . " \n" foreach (1 .. 10)' I guess it returns all 0, as the $CHAR[0] is 'A', can you test that?