Hi, Can I just install numpy and scipy without ATLAS? And what does this means " gnu: no Fortran 90 compiler found"? Im installing on RHEL Thanks in advance! [root@giswk002 numpy-1.3.0]# python setup.py build Running from numpy source directory. non-existing path in 'numpy/distutils': 'site.cfg' F2PY Version 2 blas_opt_info: blas_mkl_info: libraries mkl,vml,guide not found in /usr/local/Python-2.6.2/lib libraries mkl,vml,guide not found in /usr/local/lib libraries mkl,vml,guide not found in /usr/lib NOT AVAILABLE atlas_blas_threads_info: Setting PTATLAS=ATLAS libraries ptf77blas,ptcblas,atlas not found in /usr/local/Python-2.6.2/lib libraries ptf77blas,ptcblas,atlas not found in /usr/local/lib libraries ptf77blas,ptcblas,atlas not found in /usr/lib/sse2 libraries ptf77blas,ptcblas,atlas not found in /usr/lib NOT AVAILABLE atlas_blas_info: libraries f77blas,cblas,atlas not found in /usr/local/Python-2.6.2/lib libraries f77blas,cblas,atlas not found in /usr/local/lib libraries f77blas,cblas,atlas not found in /usr/lib/sse2 libraries f77blas,cblas,atlas not found in /usr/lib NOT AVAILABLE /usr/local/numpy-1.3.0/numpy/distutils/system_info.py:1383: UserWarning: Atlas (http://math-atlas.sourceforge.net/) libraries not found. Directories to search for the libraries can be specified in the numpy/distutils/site.cfg file (section [atlas]) or by setting the ATLAS environment variable. warnings.warn(AtlasNotFoundError.__doc__) blas_info: libraries blas not found in /usr/local/Python-2.6.2/lib libraries blas not found in /usr/local/lib FOUND: libraries = ['blas'] library_dirs = ['/usr/lib'] language = f77 FOUND: libraries = ['blas'] library_dirs = ['/usr/lib'] define_macros = [('NO_ATLAS_INFO', 1)] language = f77 lapack_opt_info: lapack_mkl_info: mkl_info: libraries mkl,vml,guide not found in /usr/local/Python-2.6.2/lib libraries mkl,vml,guide not found in /usr/local/lib libraries mkl,vml,guide not found in /usr/lib NOT AVAILABLE NOT AVAILABLE atlas_threads_info: Setting PTATLAS=ATLAS libraries ptf77blas,ptcblas,atlas not found in /usr/local/Python-2.6.2/lib libraries lapack_atlas not found in /usr/local/Python-2.6.2/lib libraries ptf77blas,ptcblas,atlas not found in /usr/local/lib libraries lapack_atlas not found in /usr/local/lib libraries ptf77blas,ptcblas,atlas not found in /usr/lib/sse2 libraries lapack_atlas not found in /usr/lib/sse2 libraries ptf77blas,ptcblas,atlas not found in /usr/lib libraries lapack_atlas not found in /usr/lib numpy.distutils.system_info.atlas_threads_info NOT AVAILABLE atlas_info: libraries f77blas,cblas,atlas not found in /usr/local/Python-2.6.2/lib libraries lapack_atlas not found in /usr/local/Python-2.6.2/lib libraries f77blas,cblas,atlas not found in /usr/local/lib libraries lapack_atlas not found in /usr/local/lib libraries f77blas,cblas,atlas not found in /usr/lib/sse2 libraries lapack_atlas not found in /usr/lib/sse2 libraries f77blas,cblas,atlas not found in /usr/lib libraries lapack_atlas not found in /usr/lib numpy.distutils.system_info.atlas_info NOT AVAILABLE /usr/local/numpy-1.3.0/numpy/distutils/system_info.py:1290: UserWarning: Atlas (http://math-atlas.sourceforge.net/) libraries not found. Directories to search for the libraries can be specified in the numpy/distutils/site.cfg file (section [atlas]) or by setting the ATLAS environment variable. warnings.warn(AtlasNotFoundError.__doc__) lapack_info: libraries lapack not found in /usr/local/Python-2.6.2/lib libraries lapack not found in /usr/local/lib FOUND: libraries = ['lapack'] library_dirs = ['/usr/lib'] language = f77 FOUND: libraries = ['lapack', 'blas'] library_dirs = ['/usr/lib'] define_macros = [('NO_ATLAS_INFO', 1)] language = f77 running build running config_cc unifing config_cc, config, build_clib, build_ext, build commands --compiler options running config_fc unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options running build_src building py_modules sources building library "npymath" sources building extension "numpy.core._sort" sources adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h' to sources. numpy/core/code_generators/genapi.py:9: DeprecationWarning: the md5 module is deprecated; use hashlib instead import md5 executing numpy/core/code_generators/generate_numpy_api.py adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h' to sources. numpy.core - nothing done with h_files = ['build/src.linux-i686-2.6/numpy/core/include/numpy/config.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h'] building extension "numpy.core.multiarray" sources adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h' to sources. executing numpy/core/code_generators/generate_numpy_api.py adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/src' to include_dirs. numpy.core - nothing done with h_files = ['build/src.linux-i686-2.6/numpy/core/src/scalartypes.inc', 'build/src.linux-i686-2.6/numpy/core/src/arraytypes.inc', 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h'] building extension "numpy.core.umath" sources adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h' to sources. executing numpy/core/code_generators/generate_ufunc_api.py adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/__ufunc_api.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/src' to include_dirs. numpy.core - nothing done with h_files = ['build/src.linux-i686-2.6/numpy/core/src/scalartypes.inc', 'build/src.linux-i686-2.6/numpy/core/src/arraytypes.inc', 'build/src.linux-i686-2.6/numpy/core/src/umath_funcs.inc', 'build/src.linux-i686-2.6/numpy/core/src/umath_loops.inc', 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/__ufunc_api.h'] building extension "numpy.core.scalarmath" sources adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/config.h' to sources. adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h' to sources. executing numpy/core/code_generators/generate_numpy_api.py adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h' to sources. executing numpy/core/code_generators/generate_ufunc_api.py adding 'build/src.linux-i686-2.6/numpy/core/include/numpy/__ufunc_api.h' to sources. numpy.core - nothing done with h_files = ['build/src.linux-i686-2.6/numpy/core/include/numpy/config.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/numpyconfig.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/__multiarray_api.h', 'build/src.linux-i686-2.6/numpy/core/include/numpy/__ufunc_api.h'] building extension "numpy.core._dotblas" sources building extension "numpy.core.umath_tests" sources building extension "numpy.lib._compiled_base" sources building extension "numpy.numarray._capi" sources building extension "numpy.fft.fftpack_lite" sources building extension "numpy.linalg.lapack_lite" sources adding 'numpy/linalg/lapack_litemodule.c' to sources. adding 'numpy/linalg/python_xerbla.c' to sources. building extension "numpy.random.mtrand" sources /usr/local/numpy-1.3.0/numpy/distutils/command/config.py:39: DeprecationWarning: +++++++++++++++++++++++++++++++++++++++++++++++++ Usage of try_run is deprecated: please do not use it anymore, and avoid configuration checks involving running executable on the target machine. +++++++++++++++++++++++++++++++++++++++++++++++++ DeprecationWarning) customize GnuFCompiler Found executable /usr/bin/g77 gnu: no Fortran 90 compiler found gnu: no Fortran 90 compiler found customize GnuFCompiler gnu: no Fortran 90 compiler found gnu: no Fortran 90 compiler found customize GnuFCompiler using config C compiler: gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC compile options: '-Inumpy/core/src -Inumpy/core/include -I/usr/local/Python-2.6.2/include/python2.6 -c' gcc: _configtest.c gcc -pthread _configtest.o -o _configtest _configtest failure. removing: _configtest.c _configtest.o _configtest building data_files sources running build_py copying numpy/version.py -> build/lib.linux-i686-2.6/numpy copying build/src.linux-i686-2.6/numpy/__config__.py -> build/lib.linux-i686-2.6/numpy copying build/src.linux-i686-2.6/numpy/distutils/__config__.py -> build/lib.linux-i686-2.6/numpy/distutils running build_clib customize UnixCCompiler customize UnixCCompiler using build_clib running build_ext customize UnixCCompiler customize UnixCCompiler using build_ext customize GnuFCompiler gnu: no Fortran 90 compiler found gnu: no Fortran 90 compiler found customize GnuFCompiler gnu: no Fortran 90 compiler found gnu: no Fortran 90 compiler found customize GnuFCompiler using build_ext running scons running build_scripts adding 'build/scripts.linux-i686-2.6/f2py' to scripts ------ End of Forwarded Message