From owner-freebsd-current@FreeBSD.ORG Thu Sep 6 10:37:43 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 571C6106564A; Thu, 6 Sep 2012 10:37:43 +0000 (UTC) (envelope-from ohartman@mail.zedat.fu-berlin.de) Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) by mx1.freebsd.org (Postfix) with ESMTP id ED4E78FC0A; Thu, 6 Sep 2012 10:37:42 +0000 (UTC) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost1.zedat.fu-berlin.de (Exim 4.69) with esmtp (envelope-from ) id <1T9ZSp-00051K-Vk>; Thu, 06 Sep 2012 12:37:36 +0200 Received: from telesto.geoinf.fu-berlin.de ([130.133.86.198]) by inpost2.zedat.fu-berlin.de (Exim 4.69) with esmtpsa (envelope-from ) id <1T9ZSp-0005gk-S0>; Thu, 06 Sep 2012 12:37:35 +0200 Message-ID: <50487CEB.9030001@mail.zedat.fu-berlin.de> Date: Thu, 06 Sep 2012 12:37:31 +0200 From: "O. Hartmann" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:14.0) Gecko/20120810 Thunderbird/14.0 MIME-Version: 1.0 To: Matthieu Volat References: <5047659D.8000107@mail.zedat.fu-berlin.de> <20120906121639.4b7d894d089b2ddeb42f31b4@alkumuna.eu> In-Reply-To: <20120906121639.4b7d894d089b2ddeb42f31b4@alkumuna.eu> X-Enigmail-Version: 1.4.3 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigF4D6AA5E9A851DFD2901DADB" X-Originating-IP: 130.133.86.198 X-Mailman-Approved-At: Thu, 06 Sep 2012 11:29:18 +0000 Cc: Current FreeBSD , freebsd-ports@freebsd.org Subject: Re: Help. Porting "FreeOCL" fails (atomic_ops.h missing, CLANG++ libc++ issues ...) 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: Thu, 06 Sep 2012 10:37:43 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF4D6AA5E9A851DFD2901DADB Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 09/06/12 12:16, Matthieu Volat wrote: > On Wed, 05 Sep 2012 16:45:49 +0200 > "O. Hartmann" wrote: >=20 >> Hello. >> >> FreeBSD has fallen back far behind the standards of modern scientific >> computing and I dsperately look for solutions having OpenCL support on= >> FreeBSD anyway. >> >> I stumbled into this project recently: >> >> FreeOCL at >> http://code.google.com/p/freeocl/ >> >> or the sources located at >> >> http://code.google.com/p/freeocl/downloads/detail?name=3DFreeOCL-0.3.6= -src.tar.gz&can=3D2&q=3D >> >> For your convenience, please find my naive attempt of a port attached = to >> this email. >> >> Well, I tried LLVM/CLANG, but Cmake of the sources fairly fails many >> checks especuially for OpenMP. Using clang++ requisites the usage of t= he >> new libc++ (CXXFLAGS+=3D -stdlib=3Dlibc++). But this fails with this e= rror: >> >> >> [...] >> [ 17%] Building CXX object src/CMakeFiles/FreeOCL.dir/codebuilder.cpp.= o >> In file included from >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source/src/codebuilder.cpp= :26: >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source/src/parser/parser.h= :118:15: >> error: no viable conversion from 'std::__1::basic_istream' to >> 'const bool' >> const bool ok =3D in.get(c); >> ^ ~~~~~~~~~ >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source/src/codebuilder.cpp= :444:13: >> warning: 70 enumeration values not handled in switch: 'VOID', 'BOOL', >> 'HALF'... [-Wswitch] >> switch(native->get_type_id()) >> ^ >> 1 warning and 1 error generated. >> *** [src/CMakeFiles/FreeOCL.dir/codebuilder.cpp.o] Error code 1 >> [..] >> >> >> I tried also setting USE_GCC=3D 4.7+ using gcc-4.7 I installed, but th= at >> fails with >> >> [...] >> -- Build files have been written to: >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source >> =3D=3D=3D> Building for freeocl-0.3.6 >> Scanning dependencies of target FreeOCL >> [ 1%] Building CXX object src/CMakeFiles/FreeOCL.dir/freeocl.cpp.o >> In file included from >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source/src/freeocl.cpp:18:= 0: >> /usr/ports/devel/freeocl/work/FreeOCL-0.3.6-Source/src/freeocl.h:71:2:= >> error: 'u_int64_t' does not name a type >> *** [src/CMakeFiles/FreeOCL.dir/freeocl.cpp.o] Error code 1 >> [...] >> >> I think patches are required. >> >> More disturbing is the use of gcc-4.6 via >> >> USE_GCC=3D 4.6+ >> >> The error is then a compalin about a missing include file >> >> atomic_ops.h >> >> which is located in the abandoned KSE facility of the kernel, so the >> includes seem not to be installed anymore - but since I'm not involved= >> in the development, I can only guess and ask the people here. >> >> Maybe some experienced freeBSD developers with the same need for OpenC= l >> is willing to pick up this and help a bit. >> >> Well, as far as I see, the FreeOCL project of Roland Borchard is a >> OpenCL library for CPU usage. As far as I can understand, if we on >> FreeBSd could have a library "libOpenCL" as this is usually installed = by >> the nVidia BLOB drivers on Linux for the use of OpenCL/GPGPU support >> with their GPUs, this would fill a still painfull open gap in FreeBSD = as >> a scientific development platform. >> >> There is still no suitable compiler for OpenCL out here for freeBSD, b= ut >> I have still the hope that LLVM can provide such a thing in the near f= uture. >> >> I cross post this posting also to "performance" in the hope finding so= me >> people attracted and "lurd" into this subject. >> >> Regards, >> >> O. Hartmann >=20 > Hello, >=20 > I've taken a quick look in that implementation : it seems to depends on= devel/libatomic_ops even if the devs did not write any CMake checks for = that (grrr). >=20 > After installing it, I was able to build the port with gcc-46 without p= roblems, if I find some time, I will try to test it later. >=20 > Btw, did you had a look to poCL too (http://sourceforge.net/apps/mediaw= iki/pocl/index.php?title=3DMain_Page)? I know the Debian people were cons= idering it for a base implementation, but I'm a bit clueless about all th= ose foss versions coming. A comparison could be helpful ^^ >=20 Hello Matthieu. Thanks for the hint for that port. I will have a look at poCL. Thanks for that hint. I cross post to "current", maybe those aspects have influence of some add ons in CURRENT in the future. 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