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. 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/
