Am 29.01.2014 um 18:24 schrieb Jeff Squyres (jsquyres): > Oh, I'm sorry -- I mis-read your initial mail (I thought when you did use all > the PGI compilers, it worked). > > I don't know the difference between pgc++ and pgcpp, unfortunately.
It's a matter of the ABI: http://www.pgroup.com/lit/articles/insider/v4n1a2.htm pgc++ uses the new ABI. -- Reuti > Do you have the latest version of your PGI compiler suite in that series? > > > On Jan 29, 2014, at 12:10 PM, Jiri Kraus <jkr...@nvidia.com> wrote: > >> Hi Jeff, >> >> thanks for taking a look. I don't want to mix compiler tool chains. I have >> just double checked my configure line and I am passing >> >> CXX=pgc++ CC=pgcc FC=pgfortran F77=pgfortran ... >> >> so there are only PGI compilers used. >> >> Thanks >> >> Jiri >> >>> Date: Wed, 29 Jan 2014 16:24:08 +0000 >>> From: "Jeff Squyres (jsquyres)" <jsquy...@cisco.com> >>> To: Open MPI Users <us...@open-mpi.org> >>> Subject: Re: [OMPI users] Compiling OpenMPI with PGI pgc++ >>> Message-ID: <c7f17676-833e-4a51-ad9e-de988c5d2...@cisco.com> >>> Content-Type: text/plain; charset="us-ascii" >>> >>> That sounds about right. >>> >>> What's happening is that OMPI has learned a bunch about the C compiler >>> before it does this C++ link test. In your first case (which is assumedly >>> with >>> gcc), it determines that it needs _GNU_SOURCE set -- or some other test has >>> caused that to be set. Then it uses that with pgc++ and runs into the >>> error you >>> show below. >>> >>> Is there a reason you want to mix gcc and pgc++? It's usually >>> simpler/better to >>> use a single compiler suite for the whole thing. >>> >>> >>> On Jan 29, 2014, at 10:54 AM, Jiri Kraus <jkr...@nvidia.com> wrote: >>> >>>> Hi, >>>> >>>> I am trying to compile OpenMPI 1.7.3 with pgc++ (14.1) as C++ compiler. >>> During configure it fails with >>>> >>>> checking if C and C++ are link compatible... no >>>> >>>> The error from config.log is: >>>> >>>> configure:18205: checking if C and C++ are link compatible >>>> configure:18230: pgcc -c -DNDEBUG -fast conftest_c.c >>>> configure:18237: $? = 0 >>>> configure:18268: pgc++ -o conftest -DNDEBUG -fast conftest.cpp >>> conftest_c.o >&5 >>>> conftest.cpp: >>>> "conftest.cpp", line 21: error: "_GNU_SOURCE" is predefined; attempted >>>> redefinition ignored >>>> #define _GNU_SOURCE 1 >>>> ^ >>>> >>>> "conftest.cpp", line 86: error: "_GNU_SOURCE" is predefined; attempted >>>> redefinition ignored >>>> #define _GNU_SOURCE 1 >>>> ^ >>>> >>>> "conftest.cpp", line 167: warning: statement is unreachable >>>> return 0; >>>> ^ >>>> >>>> 2 errors detected in the compilation of "conftest.cpp". >>>> >>>> When I use pgcpp instead of pgc++ OpenMPI configures and builds. >>>> >>>> I am using >>>> >>>> CXX=pgcpp|pgc++ CC=pgcc FC=pgfortran F77=pgfortran CFLAGS=-fast >>> FCFLAGS=-fast FFLAGS=-fast CXXFLAGS=-fast ./configure --with- >>> hwloc=/shared/apps/rhel-6.2/tools/hwloc-1.7.1 --enable-hwloc-pci >>> --with-cuda - >>> -prefix=/home-2/jkraus/local/openmpi-1.7.3/pgi-14.1/cuda-5.5.22 >>>> >>>> to configure OpenMPI. Any Idea what caused the errors with pgc++? >>>> >>>> Thanks >>>> >>>> Jiri >>>> >>>> ----------------------------------------------------------------------------------- >>>> Nvidia GmbH >>>> W?rselen >>>> Amtsgericht Aachen >>>> HRB 8361 >>>> Managing Director: Karen Theresa Burns >>>> >>>> ----------------------------------------------------------------------------------- >>>> This email message is for the sole use of the intended recipient(s) and may >>> contain >>>> confidential information. Any unauthorized review, use, disclosure or >>> distribution >>>> is prohibited. If you are not the intended recipient, please contact the >>>> sender >>> by >>>> reply email and destroy all copies of the original message. >>>> ----------------------------------------------------------------------------------- >>>> >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >>> -- >>> Jeff Squyres >>> jsquy...@cisco.com >>> For corporate legal information go to: >>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>> >>> >>> >>> ------------------------------ >>> >>> Subject: Digest Footer >>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> ------------------------------ >>> >>> End of users Digest, Vol 2796, Issue 1 >>> ************************************** >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
