It could be you would benefit from having the latest Microsoft compilers
If you do not need C++ you could use --with-cxx=0 Otherwise please send configure.log to petsc-ma...@mcs.anl.gov > On Nov 2, 2023, at 11:20 AM, Maruthi NH <maruth...@gmail.com> wrote: > > Hi all, > > I get the following error while trying to compile PETSc version 3.20.1 on > Windows > > \petsc\include\petsc/private/cpp/unordered_map.hpp(309): error C2938: > 'std::enable_if_t<false,void>' : Failed to specialize alias template > > This is the configuration file I used to compile PETSc > > #!/usr/bin/python > > import os > petsc_hash_pkgs=os.path.join(os.getenv('HOME'),'petsc-hash-pkgs') > > oadirf='"/cygdrive/c/Program Files (x86)/Intel/oneAPI"' > oadir=os.popen('cygpath -u '+os.popen('cygpath -ms > '+oadirf).read()).read().strip() > oamkldir=oadir+'/mkl/2022.1.0/lib/intel64' > oampidir=oadir+'/mpi/2021.6.0' > > if __name__ == '__main__': > import sys > import os > sys.path.insert(0, os.path.abspath('config')) > import configure > configure_options = [ > '--package-prefix-hash='+petsc_hash_pkgs, > '--with-debugging=0', > '--with-shared-libraries=0', > '--with-blaslapack-lib=-L'+oamkldir+' mkl_intel_lp64_dll.lib > mkl_sequential_dll.lib mkl_core_dll.lib', > '--with-cc=win32fe cl', > '--with-cxx=win32fe cl', > '--with-fc=win32fe ifort', > 'FOPTFLGS=-O3 -fp-model=precise', > '--with-mpi-include='+oampidir+'/include', > '--with-mpi-lib='+oampidir+'/lib/release/impi.lib', > '-with-mpiexec='+oampidir+'/bin/mpiexec -localonly', > ] > configure.petsc_configure(configure_options) > > Regards, > Maruthi