[petsc-users] petsc on windows

[Sam Guo]

Dear PETSc dev team,
   I am looking some tips porting petsc to windows. We have our mpi wrapper
(so we can switch different mpi). I configure petsc using --with-mpi-lib
and --with-mpi-include
 ./configure --with-cc="win32fe cl" --with-fc=0 --download-f2cblaslapack
--with-mpi-lib=/home/xianzhongg/dev/star/lib/win64/intel18.3vc14/lib/StarMpiWrapper.lib
--with-mpi-include=/home/xianzhongg/dev/star/base/src/mpi/include
--with-shared-libaries=1

But I got error
===============================================================================
             Configuring PETSc to compile on your system
===============================================================================
TESTING: check from
config.libraries(config/BuildSystem/config/libraries.py:154)
*******************************************************************************
         UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
details):
-------------------------------------------------------------------------------
--with-mpi-lib=['/home/xianzhongg/dev/star/lib/win64/intel18.3vc14/lib/StarMpiWrapper.lib']
and
--with-mpi-include=['/home/xianzhongg/dev/star/base/src/mpi/include'] did
not work
*******************************************************************************

To fix the configuration error,  in config/BuildSystem/config/package.py, I
removed
 self.executeTest(self.checkDependencies)
 self.executeTest(self.configureLibrary)
 self.executeTest(self.checkSharedLibrary)

To link, I add my mpi wrapper
to ${PTESTC_ARCH}/lib/petsc/conf/petscvariables:
PCC_LINKER_FLAGS =    -MD -wd4996 -Z7
/home/xianzhongg/dev/star/lib/win64/intel18.3vc14/lib/StarMpiWrapper.lib

I got libpetstc.dll and libpetstc.lib. When I try to test it inside our
code, PETSc somehow crates a duplicate of communicator with only 1 MPI
process and PETSC_COMM_WORLD is set to 2. If I set PETSC_COMM_WORLD to 1
(our MPI_COMM_WORLD), PETSc is hanging.

I am wondering if you could give me some tips how to debug this problem.

BR,
Sam
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