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 remove --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> > >
