limit symbol visibility in petsc - not perfect: mumps symbols (including fake...

limit symbol visibility in petsc - not perfect: mumps symbols (including fake MPI_ calls) still leak

utils/docker/Dockerfile.debian.stretch.64bit

@@ -70,10 +70,12 @@ RUN tar zxf petsc-3.14.4.tar.gz
 ENV PETSC_DIR ${PWD}/petsc-3.14.4
 
 ENV PETSC_ARCH real_mumps_seq
-RUN cd ${PETSC_DIR} && ./configure CC=$CC CXX=$CXX FC=$FC CFLAGS=$CFLAGS CXXFLAGS=$CXXFLAGS FFLAGS=$FFLAGS --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=0 --with-x=0 --with-ssl=0 --with-scalar-type=real --with-blaslapack-lib="/usr/local/lib/libopenblas.a /usr/local/lib64/libgfortran.a /usr/local/lib64/libquadmath.a -lpthread" && make
+# -fvisibility=hidden is important so that PETSc does not leak e.g. MPI symbols when integrated in libgmsh.so
+RUN cd ${PETSC_DIR} && ./configure CC=$CC CXX=$CXX FC=$FC CFLAGS="$CFLAGS -fvisibility=hidden" CXXFLAGS="$CXXFLAGS -fvisibility=hidden" FFLAGS=$FFLAGS --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=0 --with-x=0 --with-ssl=0 --with-scalar-type=real --with-blaslapack-lib="/usr/local/lib/libopenblas.a /usr/local/lib64/libgfortran.a /usr/local/lib64/libquadmath.a -lpthread" && make
 
 ENV PETSC_ARCH complex_mumps_seq
-RUN cd ${PETSC_DIR} && ./configure CC=$CC CXX=$CXX FC=$FC CFLAGS=$CFLAGS CXXFLAGS=$CXXFLAGS FFLAGS=$FFLAGS --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=0 --with-x=0 --with-ssl=0 --with-scalar-type=complex --with-blaslapack-lib="/usr/local/lib/libopenblas.a /usr/local/lib64/libgfortran.a /usr/local/lib64/libquadmath.a -lpthread" && make
+# -fvisibility=hidden is important so that PETSc does not leak e.g. MPI symbols when integrated in libgmsh.so
+RUN cd ${PETSC_DIR} && ./configure CC=$CC CXX=$CXX FC=$FC CFLAGS="$CFLAGS -fvisibility=hidden" CXXFLAGS="$CXXFLAGS -fvisibility=hidden" FFLAGS=$FFLAGS --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=0 --with-x=0 --with-ssl=0 --with-scalar-type=complex --with-blaslapack-lib="/usr/local/lib/libopenblas.a /usr/local/lib64/libgfortran.a /usr/local/lib64/libquadmath.a -lpthread" && make
 
 ENV PETSC_ARCH real_mumps_seq_shared
 RUN cd ${PETSC_DIR} && ./configure CC=$CC CXX=$CXX FC=$FC CFLAGS=$CFLAGS CXXFLAGS=$CXXFLAGS FFLAGS=$FFLAGS --with-clanguage=cxx --with-debugging=0 --with-mpi=0 --with-mpiuni-fortran-binding=0 --download-mumps=yes --with-mumps-serial --with-shared-libraries=1 --with-x=0 --with-ssl=0 --with-scalar-type=real --with-blaslapack-lib="/usr/local/lib/libopenblas.a /usr/local/lib64/libgfortran.a /usr/local/lib64/libquadmath.a -lpthread" && make