Are you sure /usr/bin/mpicxx is the one in your PATH? which mpicxx
I don't have an explanation for this behavior. Alternative suggestion is --download-mpich Satish On Fri, 6 Dec 2019, Povolotskyi, Mykhailo wrote: > Hi Satish, > > I have installed cygwin yesterday, and this is the output I have: > > cygcheck.exe -f /usr/bin/mpicxx > openmpi-3.1.3-1 > > mpicxx -show > g++ -fexceptions -L/usr/lib -lmpi_cxx -lmpi -lopen-rte -lopen-pal -lm > -lgdi32 > > As you can see, my installation for some reasons requires libmpi_cxx. > > Do you have an idea how can this be solved? > > Michael. > > On 12/6/2019 9:04 AM, Balay, Satish wrote: > > Its likely my cygwin is slightly old [as its not updated in the past few > > months]. > > > > balay@ps5 ~/petsc > > $ cygcheck.exe -f /usr/bin/mpicxx > > openmpi-3.1.3-1 > > > > Satish > > > > On Fri, 6 Dec 2019, Balay, Satish wrote: > > > >> Are you sure this is cygwin from OpenMPI? I don't see it refer to -lmpi_cxx > >> > >> balay@ps5 ~/petsc > >> $ which mpicxx > >> /usr/bin/mpicxx > >> > >> balay@ps5 ~/petsc > >> $ mpicxx -show > >> g++ -L/usr/lib -lmpi -lopen-rte -lopen-pal -lm -lgdi32 -lz > >> > >> Here is what I get with cygwin/openmpi,lapack,blas > >> > >> Satish > >> > >> ------- > >> > >> balay@ps5 ~/petsc > >> $ ./configure --with-scalar-type=real --with-x=0 --with-hdf5 > >> --download-hdf5=1 --with-single-library=1 --with-shared-libraries=0 > >> --with-log=0 --with-clanguage=C++ --with-cxx-d > >> ialect=C++11 --CXXFLAGS="-fopenmp -fPIC" --CFLAGS="-fopenmp -fPIC" > >> --with-fortran=0 --FFLAGS="-fopenmp -fPIC" --with-64-bit-indices=0 > >> --with-debugging=0 --with-cc=mpicc --with > >> -fc=mpif77 --with-cxx=mpicxx COPTFLAGS=-O3 CXXOPTFLAGS=-O3 FOPTFLAGS=-O3 > >> --with-fortran-kernels=0 > >> =============================================================================== > >> Configuring PETSc to compile on your system > >> =============================================================================== > >> =============================================================================== > >> > >> WARNING -with-clanguage=C++ is a developer > >> feature and is *not* required for regular usage of PETSc either from C or > >> C++ > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Trying to download > >> git://https://bitbucket.org/petsc/pkg-sowing.git for SOWING > >> > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running configure on SOWING; this may take > >> several minutes > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running make on SOWING; this may take several > >> minutes > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running make install on SOWING; this may take > >> several minutes > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Trying to download > >> https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.5/src/hdf5-1.10.5.tar.gz > >> for HDF5 > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running configure on HDF5; this may take > >> several minutes > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running make on HDF5; this may take several > >> minutes > >> > >> =============================================================================== > >> > >> > >> =============================================================================== > >> > >> Running make install on HDF5; this may take > >> several minutes > >> > >> =============================================================================== > >> > >> Compilers: > >> C Compiler: mpicc -fopenmp -fPIC -O3 > >> Version: gcc (GCC) 7.4.0 > >> C++ Compiler: mpicxx -fopenmp -fPIC -O3 > >> Version: g++ (GCC) 7.4.0 > >> Fortran Compiler: mpif77 -fopenmp -fPIC -O3 > >> Version: GNU Fortran (GCC) 7.4.0 > >> Linkers: > >> Static linker: /usr/bin/ar cr > >> Dynamic linker: /usr/bin/ar > >> Libraries linked against: -lgdi32 -luser32 -ladvapi32 -lkernel32 > >> -lquadmath -lstdc++ -ldl > >> make: > >> Version: 4.2 > >> /usr/bin/make > >> BlasLapack: > >> Library: -llapack -lblas > >> uses 4 byte integers > >> MPI: > >> Version: 3 > >> Mpiexec: mpiexec --oversubscribe > >> OMPI_VERSION: 3.1.3 > >> pthread: > >> hdf5: > >> Version: 1.10.5 > >> Includes: -I/home/balay/petsc/arch-mswin-cxx-opt/include > >> Library: -Wl,-rpath,/home/balay/petsc/arch-mswin-cxx-opt/lib > >> -L/home/balay/petsc/arch-mswin-cxx-opt/lib -lhdf5hl_fortran -lhdf5_fortran > >> -lhdf5_hl -lhdf5 > >> cmake: > >> Version: 3.14.5 > >> /usr/bin/cmake > >> sowing: > >> Version: 1.1.25 > >> /home/balay/petsc/arch-mswin-cxx-opt/bin/bfort > >> Language used to compile PETSc: Cxx > >> PETSc: > >> PETSC_ARCH: arch-mswin-cxx-opt > >> PETSC_DIR: /home/balay/petsc > >> Scalar type: real > >> Precision: double > >> Support for __float128 > >> Integer size: 4 bytes > >> shared libraries: disabled > >> Memory alignment from malloc(): 16 bytes > >> xxx=========================================================================xxx > >> Configure stage complete. Now build PETSc libraries with: > >> make PETSC_DIR=/home/balay/petsc PETSC_ARCH=arch-mswin-cxx-opt all > >> xxx=========================================================================xxx > >> > >> > >> > >> balay@ps5 ~/petsc > >> $ > >> > >> > >> > >> > >> > >> > >> On Fri, 6 Dec 2019, Povolotskyi, Mykhailo wrote: > >> > >>> I checked: > >>> > >>> I cannot build C++ programs with MPI, but I can build and run C programs > >>> with MPI. > >>> > >>> I have -with-log=0 because there is an overhead if many small objects > >>> are created, which is my case. > >>> > >>> As for the fortran, I will removeĀ --with-fortran=0 > >>> > >>> On 12/5/2019 11:53 PM, Smith, Barry F. wrote: > >>>> Can you actually build and run C++ programs with the MPI? > >>>> > >>>> Executing: mpicxx -o /tmp/petsc-Llvze6/config.setCompilers/conftest.exe > >>>> -fopenmp -fPIC /tmp/petsc-Llvze6/config.setCompilers/conftest.o > >>>> Possible ERROR while running linker: exit code 1 > >>>> stderr: > >>>> /usr/lib/gcc/x86_64-pc-cygwin/7.4.0/../../../../x86_64-pc-cygwin/bin/ld: > >>>> cannot find -lmpi_cxx > >>>> collect2: error: ld returned 1 exit status > >>>> Error testing C++ compiler: Cannot compile/link Cxx with > >>>> mpicxx. > >>>> MPI installation mpicxx is likely incorrect. > >>>> Use --with-mpi-dir to indicate an alternate MPI. > >>>> > >>>> Also you have --with-fortran=0 > >>>> > >>>> but --download-fblaslapack and FOPTFLAGS=-O3 > >>>> > >>>> and why do you have --with-log=0 it costs no overhead if you do not > >>>> use it and is always useful for tracking performance. > >>>> > >>>> Barry > >>>> > >>>> > >>>>> On Dec 5, 2019, at 9:19 PM, Povolotskyi, Mykhailo <mpovo...@purdue.edu> > >>>>> wrote: > >>>>> > >>>>> Dear Petsc support team, > >>>>> > >>>>> for some reasons I have to build petsc under Windows. > >>>>> > >>>>> I have installed Cygwin with GNU compilers and OpenMPI. > >>>>> > >>>>> Unfortunately, the configuration fails with the following message: > >>>>> > >>>>> TESTING: checkCxxCompiler from > >>>>> config.setCompilers(config/BuildSystem/config/setCompilers.py:814) > >>>>> ******************************************************************************* > >>>>> UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log > >>>>> for details): > >>>>> ------------------------------------------------------------------------------- > >>>>> C++ compiler you provided with -with-cxx=mpicxx does not work. > >>>>> Cannot compile/link Cxx with mpicxx. > >>>>> > >>>>> I'm attaching the *.log file. > >>>>> > >>>>> Please advise, > >>>>> > >>>>> Michael. > >>>>> > >>>>> <configure.log> >