Added to 1.10 README - thanks! > On Dec 16, 2016, at 4:18 PM, Paul Hargrove <phhargr...@lbl.gov> wrote: > > With the 1.10.r5c1 tarball on linux/x86-64 and various versions of the PGI > compilers I have configured with > --prefix=[...] --enable-debug CC=pgcc CXX=pgc++ FC=pgfortran > > I see the following with version 14.3 of the PGI compilers: > > /bin/bash ../../../libtool --tag=CXX --mode=link pgc++ -g -version-info > 2:3:1 -o libmpi_cxx.la <http://libmpi_cxx.la/> -rpath > /sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/INST/lib > mpicxx.lo intercepts.lo comm.lo datatype.lo win.lo file.lo > ../../../ompi/libmpi.la <http://libmpi.la/> -lrt -lutil > libtool: link: pgc++ -fPIC -DPIC -shared -nostdlib > /usr/lib/x86_64-linux-gnu/crti.o > /nfs/software/linux-ubuntu_precise_amd64/com/packages/pgi/143/linux86-64/14.3/libso/trace_init.o > /usr/lib/gcc/x86_64-linux-gnu/4.6/crtbeginS.o > /nfs/software/linux-ubuntu_precise_amd64/com/packages/pgi/143/linux86-64/14.3/libso/initmp.o > .libs/mpicxx.o .libs/intercepts.o .libs/comm.o .libs/datatype.o .libs/win.o > .libs/file.o -Wl,-rpath > -Wl,/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/ompi/.libs > -Wl,-rpath > -Wl,/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/orte/.libs > -Wl,-rpath > -Wl,/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/opal/.libs > -Wl,-rpath > -Wl,/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/INST/lib > -L/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/orte/.libs > -L/sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/opal/.libs > ../../../ompi/.libs/libmpi.so > /sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/orte/.libs/libopen-rte.so > > /sandbox/hargrove/OMPI/openmpi-1.10.5rc1-linux-x86_64-pgi-14/BLD/opal/.libs/libopen-pal.so > -ldl -lrt -lutil > -L/nfs/software/linux-ubuntu_precise_amd64/com/packages/pgi/143/linux86-64/14.3/libso > -L/soft/com/packages/pgi/143/14.3/share_objects/lib64 > -L/nfs/software/linux-ubuntu_precise_amd64/com/packages/pgi/143/linux86-64/14.3/lib > -L/usr/lib64 -L/usr/lib/gcc/x86_64-linux-gnu/4.6 -lpgatm -lgcc_s -lstdc++ > -lpgmp -lnuma -lpthread -lnspgc -lpgc -lm -lc -lgcc > /usr/lib/gcc/x86_64-linux-gnu/4.6/crtendS.o /usr/lib/x86_64-linux-gnu/crtn.o > -g -Wl,-soname -Wl,libmpi_cxx.so.1 -o .libs/libmpi_cxx.so.1.1.3 > pgc++-Error-Unknown switch: -nostdlib > make[2]: *** [libmpi_cxx.la <http://libmpi_cxx.la/>] Error 1 > > Switching from CXX=pgc++ to CXX=pgCC eliminates the problem. > > This is *possibly* related to the following configure output in which pgc++ > has been misidentified as the GNU compiler: > $ grep 'compiler vendor' configure.log > checking for the C compiler vendor... portland group > checking for the C++ compiler vendor... gnu > checking for the C++ compiler vendor... (cached) gnu > checking for the C compiler vendor... portland group > I suspect that pgc++ is intentionally masquerading as a GNU compiler, but > falling short of the mark as of their 14.3 release. > > I didn't see this in last night's testing of 2.0.2rc1 because I was > configuring with CXX=pgCC on my Linux/x86-64 systems. > However testing pgc++ today with 2.0.2rc1 I see pretty much the same results > with both release candidates: > > With PGI 12.10 and 13.9 configure decides that CC and CXX are not link > compatible (but not when CXX=pgCC) > This is true of both the 1.10 and 2.0 RCs > > With PGI 14.3, v1.10.5rc1 fails as described above, while 2.0.2rc1 (w/ c++ > bindings disabled by default) was OK. > However, enabling the c++ bindings in 2.0.2rc1 leads to the same error shown > above. > > With PGI 15.9, pgc++ unfortunately gets an unrelated ICE compiling VT (which > also vanishes with CXX=pgCC) for 1.10, and is fine for 2.0. > > With PGI 16.10, pgcc gets an unrelated SEGV compiling mtl_ofi_component.c, > but has no problems with pgc++ on either branch once I configure using > --without-libfabric. > > > Based on my experiences listed above, I would recommend (in the Open MPI > README): > If building C++ bindings or VT, I advise against use of CXX=pgc++ prior to > 16.10. > Otherwise, it appears usable from 14.3 forward. > > -Paul > > -- > Paul H. Hargrove phhargr...@lbl.gov > <mailto:phhargr...@lbl.gov> > Computer Languages & Systems Software (CLaSS) Group > Computer Science Department Tel: +1-510-495-2352 > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > _______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/devel
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