Hello Everyone: I am interested to solve a fluid-structure interaction problem for aircraft wing. As recommended in fenics website, I installed Ubuntu 9.10 and installed fenics using the instruction at http://www.fenics.org/wiki/Download. Everything went fine and could compile and run some demos! I then moved on to install Unicorn (http://www.fenics.org/wiki/Unicorn). I downloaded for the parallel version and tried to install them using the "build_local.sh" script. I get errors. To identify the errors, I ran the script line-by-line. I get error when I try to compile dolfin (i.e. when I run "scons -j $NUM_PROCS enablePydolfin=False withPetscDir=$PETSC_INSTALL enableGnuExtensions=True withParmetisDir=$PARMETIS_INSTALL prefix=$LOCALDIR install". I cut and paste the error message below. I dont know C++ much.. Does it have a fix (I am using the following version of C++: cpp (Ubuntu 4.4.1-4ubuntu8) 4.4.1 ---------------------------------------------------------------------------------------------------------------------------------- amin@amin-laptop:~/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin$ scons -j $NUM_PROCS enablePydolfin=False withPetscDir=$PETSC_INSTALL enableGnuExtensions=True withParmetisDir=$PARMETIS_INSTALL prefix=$LOCALDIR install scons: Reading SConscript files ... scons: warning: The BoolOption() function is deprecated; use the BoolVariable() function instead. File "/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin/SConstruct", line 64, in scons: warning: The PathOption() function is deprecated; use the PathVariable() function instead. File "/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin/SConstruct", line 93, in scons: warning: The Options class is deprecated; use the Variables class instead. File "/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin/scons/simula-scons/simula_scons/__init__.py", line 237, in __init__ Using options from scons/options.cache Checking for pkg-config... yes Checking for numpy-1... yes Checking for scotch... no (pkg-config file not found) Trying to generate pkg-config file for scotch... failed Checking for trilinos... no (pkg-config file not found) Trying to generate pkg-config file for trilinos... failed Checking for ufc-1... yes Checking for umfpack... yes Checking for parmetis... yes Checking for petsc... yes Checking for gts... yes Checking for boost... yes Checking for python-2... yes Checking for slepc... no (pkg-config file not found) Trying to generate pkg-config file for slepc... failed Checking for libxml-2.0... yes Resolving compiler... done Some tests failed using mpic++ Switching to use mpicxx instead. Found optional package: petsc Found optional package: umfpack Found optional package: gts Found optional package: parmetis Unable to find optional package: slepc Unable to find optional package: scotch Unable to find optional package: trilinos Disabling compilation of PyDOLFIN scons: warning: The env.Copy() method is deprecated; use the env.Clone() method instead. File "/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin/dolfin/SConscript", line 180, in scons: done reading SConscript files. scons: Building targets ... mpicxx -o dolfin/fem/DirichletBC.os -c -Wall -pipe -ansi -DDEBUG -g -Werror -DNDEBUG -O2 -Wno-deprecated -DENABLE_GCC_EXT -DHAS_MPI=1 -DMPICH_IGNORE_CXX_SEEK -DPACKAGE_VERSION=\"0.8.0\" -DHAS_PETSC=1 -DHAS_UMFPACK=1 -DHAS_GTS=1 -DHAS_PARMETIS=1 -fPIC -I. -I/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/local/include -I/usr/include/libxml2 -I/usr/lib/petscdir/2.3.3/bmake/linux-gnu-c-opt -I/usr/lib/petscdir/2.3.3/include -I/usr/lib/openmpi/include -I/usr/lib/openmpi/lib -Idolfin -I/usr/include/suitesparse -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include dolfin/fem/DirichletBC.cpp mpicxx -o dolfin/fem/DofMap.os -c -Wall -pipe -ansi -DDEBUG -g -Werror -DNDEBUG -O2 -Wno-deprecated -DENABLE_GCC_EXT -DHAS_MPI=1 -DMPICH_IGNORE_CXX_SEEK -DPACKAGE_VERSION=\"0.8.0\" -DHAS_PETSC=1 -DHAS_UMFPACK=1 -DHAS_GTS=1 -DHAS_PARMETIS=1 -fPIC -I. -I/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/local/include -I/usr/include/libxml2 -I/usr/lib/petscdir/2.3.3/bmake/linux-gnu-c-opt -I/usr/lib/petscdir/2.3.3/include -I/usr/lib/openmpi/include -I/usr/lib/openmpi/lib -Idolfin -I/usr/include/suitesparse -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include dolfin/fem/DofMap.cpp mpicxx -o dolfin/function/DiscreteFunction.os -c -Wall -pipe -ansi -DDEBUG -g -Werror -DNDEBUG -O2 -Wno-deprecated -DENABLE_GCC_EXT -DHAS_MPI=1 -DMPICH_IGNORE_CXX_SEEK -DPACKAGE_VERSION=\"0.8.0\" -DHAS_PETSC=1 -DHAS_UMFPACK=1 -DHAS_GTS=1 -DHAS_PARMETIS=1 -fPIC -I. -I/home/amin/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/local/include -I/usr/include/libxml2 -I/usr/lib/petscdir/2.3.3/bmake/linux-gnu-c-opt -I/usr/lib/petscdir/2.3.3/include -I/usr/lib/openmpi/include -I/usr/lib/openmpi/lib -Idolfin -I/usr/include/suitesparse -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include dolfin/function/DiscreteFunction.cpp cc1plus: warnings being treated as errors ./dolfin/mesh/MeshEntity.h: In member function ‘void dolfin::DirichletBC::computeBCGeometric(__gnu_cxx::hash_map, std::equal_to, std::allocator >&, dolfin::BoundaryCondition::LocalData&)’: ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:31: error: dereferencing pointer ‘’ does break strict-aliasing rules dolfin/fem/DirichletBC.cpp:437: note: initialized from here scons: *** [dolfin/fem/DirichletBC.os] Error 1 cc1plus: warnings being treated as errors ./dolfin/mesh/MeshEntity.h: In member function ‘virtual void dolfin::DiscreteFunction::interpolate(dolfin::real*) const’: ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:31: error: dereferencing pointer ‘’ does break strict-aliasing rules dolfin/function/DiscreteFunction.cpp:237: note: initialized from here scons: *** [dolfin/function/DiscreteFunction.os] Error 1 cc1plus: warnings being treated as errors ./dolfin/mesh/MeshEntity.h: In member function ‘void dolfin::DofMap::disp() const’: ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:31: error: dereferencing pointer ‘’ does break strict-aliasing rules dolfin/fem/DofMap.cpp:734: note: initialized from here ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:43: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:46: error: dereferencing pointer ‘’ does break strict-aliasing rules ./dolfin/mesh/MeshEntity.h:31: error: dereferencing pointer ‘’ does break strict-aliasing rules dolfin/fem/DofMap.cpp:767: note: initialized from here scons: *** [dolfin/fem/DofMap.os] Error 1 scons: building terminated because of errors. dolfin/fem/DirichletBC.os failed: Error 1 dolfin/function/DiscreteFunction.os failed: Error 1 dolfin/fem/DofMap.os failed: Error 1 amin@amin-laptop:~/Unicorn_fsi/unicorn-parafin-dist-2009-05-25_01/dolfin$

Unicorn

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