On MS-Windows - you need the location of the DLLs in PATH Or use --with-shared-libraries=0
Satish On Thu, 29 Aug 2019, Sam Guo via petsc-users wrote: > When I use intel mpi, configuration, compile and test all work fine but I > cannot use dll in my application. > > On Thu, Aug 29, 2019 at 3:46 PM Sam Guo <sam....@cd-adapco.com> wrote: > > > After I removed following lines inin config/BuildSystem/config/package.py, > > configuration finished without error. > > self.executeTest(self.checkDependencies) > > self.executeTest(self.configureLibrary) > > self.executeTest(self.checkSharedLibrary) > > > > I then 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 > > > > On Thu, Aug 29, 2019 at 3:28 PM Balay, Satish <ba...@mcs.anl.gov> wrote: > > > >> On Thu, 29 Aug 2019, Sam Guo via petsc-users wrote: > >> > >> > I can link when I add my wrapper to > >> > PCC_LINKER_FLAGS = -MD -wd4996 -Z7 > >> > /home/xianzhongg/dev/star/lib/win64/intel18.3vc14/lib/StarMpiWrapper.lib > >> > >> I don't understand what you mean here. Add PCC_LINKER_FLAGS to where? > >> This is a variable in configure generated makefile > >> > >> Since PETSc is not built [as configure failed] - there should be no > >> configure generated makefiles. > >> > >> > (I don't understand why configure does not include my wrapper) > >> > >> Well the compiler gives the error below. Can you try to compile > >> manually [i.e without PETSc or any petsc makefiles] a simple MPI code > >> - say cpi.c from MPICH and see if it works? [and copy/paste the log > >> from this compile attempt. > >> > >> Satish > >> > >> > > >> > > >> > On Thu, Aug 29, 2019 at 1:28 PM Matthew Knepley <knep...@gmail.com> > >> wrote: > >> > > >> > > On Thu, Aug 29, 2019 at 4:02 PM Sam Guo <sam....@cd-adapco.com> > >> wrote: > >> > > > >> > >> Thanks for the quick response. Attached please find the configure.log > >> > >> containing the configure error. > >> > >> > >> > > > >> > > Executing: > >> /home/xianzhongg/petsc-3.11.3/lib/petsc/bin/win32fe/win32fe cl > >> > > -c -o /tmp/petsc-6DsCEk/config.libraries/conftest.o > >> > > -I/tmp/petsc-6DsCEk/config.compilers > >> > > -I/tmp/petsc-6DsCEk/config.setCompilers > >> > > -I/tmp/petsc-6DsCEk/config.utilities.closure > >> > > -I/tmp/petsc-6DsCEk/config.headers > >> > > -I/tmp/petsc-6DsCEk/config.utilities.cacheDetails > >> > > -I/tmp/petsc-6DsCEk/config.types -I/tmp/petsc-6DsCEk/config.atomics > >> > > -I/tmp/petsc-6DsCEk/config.functions > >> > > -I/tmp/petsc-6DsCEk/config.utilities.featureTestMacros > >> > > -I/tmp/petsc-6DsCEk/config.utilities.missing > >> > > -I/tmp/petsc-6DsCEk/PETSc.options.scalarTypes > >> > > -I/tmp/petsc-6DsCEk/config.libraries -MD -wd4996 -Z7 > >> > > /tmp/petsc-6DsCEk/config.libraries/conftest.c > >> > > stdout: conftest.c > >> > > Successful compile: > >> > > Source: > >> > > #include "confdefs.h" > >> > > #include "conffix.h" > >> > > /* Override any gcc2 internal prototype to avoid an error. */ > >> > > char MPI_Init(); > >> > > static void _check_MPI_Init() { MPI_Init(); } > >> > > char MPI_Comm_create(); > >> > > static void _check_MPI_Comm_create() { MPI_Comm_create(); } > >> > > > >> > > int main() { > >> > > _check_MPI_Init(); > >> > > _check_MPI_Comm_create();; > >> > > return 0; > >> > > } > >> > > Executing: > >> /home/xianzhongg/petsc-3.11.3/lib/petsc/bin/win32fe/win32fe cl > >> > > -o /tmp/petsc-6DsCEk/config.libraries/conftest.exe -MD -wd4996 -Z7 > >> > > /tmp/petsc-6DsCEk/config.libraries/conftest.o > >> > > > >> /home/xianzhongg/dev/star/lib/win64/intel18.3vc14/lib/StarMpiWrapper.lib > >> > > Ws2_32.lib > >> > > stdout: > >> > > LINK : C:\cygwin64\tmp\PE81BA~1\CONFIG~1.LIB\conftest.exe not found > >> or not > >> > > built by the last incremental link; performing full link > >> > > conftest.obj : error LNK2019: unresolved external symbol MPI_Init > >> > > referenced in function _check_MPI_Init > >> > > conftest.obj : error LNK2019: unresolved external symbol > >> MPI_Comm_create > >> > > referenced in function _check_MPI_Comm_create > >> > > C:\cygwin64\tmp\PE81BA~1\CONFIG~1.LIB\conftest.exe : fatal error > >> LNK1120: > >> > > 2 unresolved externals > >> > > Possible ERROR while running linker: exit code 2 > >> > > stdout: > >> > > LINK : C:\cygwin64\tmp\PE81BA~1\CONFIG~1.LIB\conftest.exe not found > >> or not > >> > > built by the last incremental link; performing full link > >> > > conftest.obj : error LNK2019: unresolved external symbol MPI_Init > >> > > referenced in function _check_MPI_Init > >> > > conftest.obj : error LNK2019: unresolved external symbol > >> MPI_Comm_create > >> > > referenced in function _check_MPI_Comm_create > >> > > C:\cygwin64\tmp\PE81BA~1\CONFIG~1.LIB\conftest.exe : fatal error > >> LNK1120: > >> > > 2 unresolved externals > >> > > > >> > > The link is definitely failing. Does it work if you do it by hand? > >> > > > >> > > Thanks, > >> > > > >> > > Matt > >> > > > >> > > > >> > >> Regarding our dup, our wrapper does support it. In fact, everything > >> works > >> > >> fine on Linux. I suspect on windows, PETSc picks the system mpi.h > >> somehow. > >> > >> I am investigating it. > >> > >> > >> > >> Thanks, > >> > >> Sam > >> > >> > >> > >> On Thu, Aug 29, 2019 at 3:39 PM Matthew Knepley <knep...@gmail.com> > >> > >> wrote: > >> > >> > >> > >>> On Thu, Aug 29, 2019 at 3:33 PM Sam Guo via petsc-users < > >> > >>> petsc-users@mcs.anl.gov> wrote: > >> > >>> > >> > >>>> 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 > >> > >>>> > >> > >>>> > >> ******************************************************************************* > >> > >>>> > >> > >>> > >> > >>> Your MPI wrapper should pass the tests here. Send the configure.log > >> > >>> > >> > >>> > >> > >>>> 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. > >> > >>>> > >> > >>> > >> > >>> We do dup the communicator on entry. Shouldn't that be supported by > >> your > >> > >>> wrapper? > >> > >>> > >> > >>> Thanks, > >> > >>> > >> > >>> Matt > >> > >>> > >> > >>> > >> > >>>> I am wondering if you could give me some tips how to debug this > >> problem. > >> > >>>> > >> > >>>> BR, > >> > >>>> Sam > >> > >>>> > >> > >>> > >> > >>> > >> > >>> -- > >> > >>> What most experimenters take for granted before they begin their > >> > >>> experiments is infinitely more interesting than any results to > >> which their > >> > >>> experiments lead. > >> > >>> -- Norbert Wiener > >> > >>> > >> > >>> https://www.cse.buffalo.edu/~knepley/ > >> > >>> <http://www.cse.buffalo.edu/~knepley/> > >> > >>> > >> > >> > >> > > > >> > > -- > >> > > What most experimenters take for granted before they begin their > >> > > experiments is infinitely more interesting than any results to which > >> their > >> > > experiments lead. > >> > > -- Norbert Wiener > >> > > > >> > > https://www.cse.buffalo.edu/~knepley/ > >> > > <http://www.cse.buffalo.edu/~knepley/> > >> > > > >> > > >> > >> >