Установка `numpy` в виртуальную среду в Ubuntu 11.10

Я получил следующие исключения при установке numpyс использованием easy_install numpy, может ли кто-нибудь помочь? Независимо от того, использую ли я pipили easy_install, у меня возникают одни и те же проблемы. Трудно понять, что происходит.

non-existing path in 'numpy/core': 'build/src.linux-x86_64-2.7/numpy/core/src/multiarray'
non-existing path in 'numpy/core': 'build/src.linux-x86_64-2.7/numpy/core/src/umath'
numpy/core/src/multiarray/scalartypes.c.src:2549:1: warning: ‘longlong_arrtype_hash’ defined but not used [-Wunused-function]
numpy/core/src/multiarray/mapping.c:74:1: warning: ‘_array_ass_item’ defined but not used [-Wunused-function]
build/src.linux-x86_64-2.7/numpy/core/include/numpy/__ufunc_api.h:226:1: warning: ‘_import_umath’ defined but not used [-Wunused-function]
gcc: internal compiler error: Killed (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions.
numpy/core/src/multiarray/scalartypes.c.src:2549:1: warning: ‘longlong_arrtype_hash’ defined but not used [-Wunused-function]
numpy/core/src/multiarray/mapping.c:74:1: warning: ‘_array_ass_item’ defined but not used [-Wunused-function]
build/src.linux-x86_64-2.7/numpy/core/include/numpy/__ufunc_api.h:226:1: warning: ‘_import_umath’ defined but not used [-Wunused-function]
gcc: internal compiler error: Killed (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions.
error: Setup script exited with error: Command "gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -Inumpy/core/include -Ibuild/src.linux-x86_64-2.7/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/include -I/usr/include/python2.7 -Ibuild/src.linux-x86_64-2.7/numpy/core/src/multiarray -Ibuild/src.linux-x86_64-2.7/numpy/core/src/umath -c numpy/core/src/multiarray/multiarraymodule_onefile.c -o build/temp.linux-x86_64-2.7/numpy/core/src/multiarray/multiarraymodule_onefile.o" failed with exit status 4
/tmp/easy_install-l43x51/numpy-1.6.1/numpy/distutils/misc_util.py:252: RuntimeWarning: Parent module 'numpy.distutils' not found while handling absolute import
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "/usr/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/tmp/easy_install-l43x51/numpy-1.6.1/numpy/distutils/misc_util.py", line 252, in clean_up_temporary_directory
ImportError: No module named numpy.distutils
Error in sys.exitfunc:
Traceback (most recent call last):
  File "/usr/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/tmp/easy_install-l43x51/numpy-1.6.1/numpy/distutils/misc_util.py", line 252, in clean_up_temporary_directory
ImportError: No module named numpy.distutils