shared libraries for PETSc 3.0.0-p2 + Hypre

[Shao-Ching Huang]

Satish Balay wrote:
> Note - in our default approach, hypre symbols are pulled into petsc
> sharedlibraries [and not user binaries - so the user binaries will
> remain small]

This is cool! Thanks.

Shao-Ching



> 
> Satish
> 
> On Fri, 30 Jan 2009, Shao-Ching Huang wrote:
> 
>> Satish:
>>
>> Thanks for the suggestion. I will just follow the standard approach
>> then -- PETSc shared libraries with external .a libraries.
>>
>> Shao-Ching
>>
>> Satish Balay wrote:
>>> We build external packages minimally only. So the PETSc shared
>>> libraries will link with most of the external .a libraries. This works
>>> fine for us.
>>>
>>> To build shared hypre library - you can try the following and see if
>>> it works:
>>>
>>> cd $PETSC_DIR
>>> make SHLIBS=libHYPRE shared
>>>
>>> Satish
>>>
>>> On Fri, 30 Jan 2009, Shao-Ching Huang wrote:
>>>
>>>> Hi,
>>>>
>>>> I am trying to build shared library version of PETSC 3.0.0-p2 with
>>>> Hypre (Fedora 10 Linux on x86_64).
>>>>
>>>> With "configure --with-shared=1 ...", it does build shared libraries
>>>> for PETSC, but the Hypre part is still static. The file
>>>> externalpackages/hypre-2.4.0b/src/config.log shows that
>>>> "--enable-shared" (for configuring Hypre) is not there.
>>>>
>>>> Is there a way to build shared libraries for Hypre from PETSc's
>>>> configure command line?
>>>>
>>>> Thanks.
>>>>
>>>> Shao-Ching
>>>>
>>>> My complete PETSc configure command:
>>>>
>>>> ./config/configure.py  --with-debugging=1 --with-shared=1 \
>>>> --with-cc=mpicc --with-fc=mpif90 --with-cxx=mpicxx        \
>>>> --with-blas-lapack-dir=/usr/lib64                         \
>>>> --download-hypre=yes
>>>>
>>>> The first few lines of externalpackages/hypre-2.4.0b/src/config.log
>>>> (reformatted):
>>>>
>>>> $ ./configure
>>>> --prefix=/home/schuang/local/petsc-3.0.0-p2-shared/linux-gnu-c-debug
>>>> CC=mpicc -fPIC -Wall -Wwrite-strings -Wno-strict-aliasing -g3
>>>> CXX=mpicxx -Wall -Wwrite-strings -Wno-strict-aliasing -g -fPIC
>>>> F77=mpif90 -fPIC -Wall -Wno-unused-variable -g
>>>> --with-MPI-include=/usr/include/openmpi/1.2.4-gcc/64
>>>> --with-MPI-lib-dirs= --with-MPI-libs=nsl rt --with-blas-libs=
>>>> --with-blas-lib-dir= --with-lapack-libs= --with-lapack-lib-dir=
>>>> --with-blas=yes --with-lapack=yes --without-babel --without-mli
>>>> --without-fei --without-superlu
>>>>
>>>>
>>>>
>