I'm using Manjaro Linux with packages: openblas-lapack (https://aur.archlinux.org/packages/openblas-lapack/)
python-numpy-openblas (https://aur.archlinux.org/packages/python-numpy-openblas/) python-scipy-openblas (https://aur.archlinux.org/packages/python-scipy-openblas/) They work well in other applications, but Sage Notebook cannot find "cblas" library. $ sage ┌────────────────────────────────────────────────────────────────────┐ │ SageMath version 8.8, Release Date: 2019-06-26 │ │ Using Python 2.7.16. Type "help()" for help. │ └────────────────────────────────────────────────────────────────────┘ /usr/lib/python2.7/site-packages/IPython/core/interactiveshell.py:726: UserWarning: Attempting to work in a virtualenv. If you encounter problems, please install IPython inside the virtualenv. warn("Attempting to work in a virtualenv. If you encounter problems, please " sage: notebook() --------------------------------------------------------------------------- PackageNotFoundError Traceback (most recent call last) <ipython-input-1-b5959bb24428> in <module>() ----> 1 notebook() /usr/lib/python2.7/site-packages/sage/misc/lazy_import.pyx in sage.misc.lazy_import.LazyImport.__call__ (build/cythonized/sage/misc/lazy_import.c:3697)() 352 True 353 """ --> 354 return self.get_object()(*args, **kwds) 355 356 def __repr__(self): /usr/lib/python2.7/site-packages/sage/misc/lazy_import.pyx in sage.misc.lazy_import.LazyImport.get_object (build/cythonized/sage/misc/lazy_import.c:2362)() 187 if likely(self._object is not None): 188 return self._object --> 189 return self._get_object() 190 191 cpdef _get_object(self): /usr/lib/python2.7/site-packages/sage/misc/lazy_import.pyx in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2599)() 219 elif self._at_startup and not startup_guard: 220 print('Option ``at_startup=True`` for lazy import {0} not needed anymore'.format(self._name)) --> 221 self._object = getattr(__import__(self._module, {}, {}, [self._name]), self._name) 222 name = self._as_name 223 if self._deprecation is not None: /usr/lib/python2.7/site-packages/sagenb/__init__.py in <module>() 1 # -*- coding: utf-8 -* 2 # init ----> 3 from . import storage /usr/lib/python2.7/site-packages/sagenb/storage/__init__.py in <module>() 1 # -*- coding: utf-8 -* 2 ----> 3 from .filesystem_storage import FilesystemDatastore /usr/lib/python2.7/site-packages/sagenb/storage/filesystem_storage.py in <module>() 50 51 from .abstract_storage import Datastore ---> 52 from sagenb.misc.misc import set_restrictive_permissions, encoded_str 53 54 from sage.misc.temporary_file import atomic_write /usr/lib/python2.7/site-packages/sagenb/misc/misc.py in <module>() 400 401 try: --> 402 from sage.misc.cython import cython 403 except ImportError: 404 @stub /usr/lib/python2.7/site-packages/sage/misc/cython.py in <module>() 39 40 # CBLAS can be one of multiple implementations ---> 41 cblas_pc = pkgconfig.parse('cblas') 42 cblas_libs = list(cblas_pc['libraries']) 43 cblas_library_dirs = list(cblas_pc['library_dirs']) /usr/lib/python2.7/site-packages/pkgconfig/pkgconfig.pyc in parse(packages, static) 246 """ 247 for package in packages.split(): --> 248 _raise_if_not_exists(package) 249 250 out = _query(packages, *_build_options('--cflags --libs', static=static)) /usr/lib/python2.7/site-packages/pkgconfig/pkgconfig.pyc in _raise_if_not_exists(package) 101 def _raise_if_not_exists(package): 102 if not exists(package): --> 103 raise PackageNotFoundError(package) 104 105 PackageNotFoundError: cblas not found sage: $ locate cblas /usr/include/cblas.h /usr/include/gsl/gsl_cblas.h /usr/lib/libcblas.so /usr/lib/libcblas.so.3 /usr/lib/libcblas.so.3.8.0 /usr/lib/libgslcblas.so /usr/lib/libgslcblas.so.0 /usr/lib/libgslcblas.so.0.0.0 $ ls -lha /usr/lib/libcblas.so* lrwxrwxrwx 1 root root 14 Jul 23 23:04 /usr/lib/libcblas.so -> libopenblas.so lrwxrwxrwx 1 root root 14 Jul 23 23:04 /usr/lib/libcblas.so.3 -> libopenblas.so lrwxrwxrwx 1 root root 14 Jul 23 23:04 /usr/lib/libcblas.so.3.8.0 -> libopenblas.so $ ls -lha /usr/lib/libopenblas.so* lrwxrwxrwx 1 root root 30 Jul 23 23:04 /usr/lib/libopenblas.so -> libopenblas_haswellp-r0.3.6.so lrwxrwxrwx 1 root root 30 Jul 23 23:04 /usr/lib/libopenblas.so.3 -> libopenblas_haswellp-r0.3.6.so $ ls -lha /usr/lib/libopenblas_haswellp-r0.3.6.so* -rwxr-xr-x 1 root root 14M Jul 23 23:04 /usr/lib/libopenblas_haswellp-r0.3.6.so $ ls -lha /usr/lib/libgslcblas.so* lrwxrwxrwx 1 root root 20 Jun 14 2018 /usr/lib/libgslcblas.so -> libgslcblas.so.0.0.0 lrwxrwxrwx 1 root root 20 Jun 14 2018 /usr/lib/libgslcblas.so.0 -> libgslcblas.so.0.0.0 -rwxr-xr-x 1 root root 250K Jun 14 2018 /usr/lib/libgslcblas.so.0.0.0 How can I inform to sage to use the cblas from openblas-lapack? Thank you, John -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/452ffd01-5160-4f9b-ad53-1165feb9755f%40googlegroups.com.
