I don't recall any reports on using gcc 8 to build Sage, so you are probably on your own here. The error message suggests that in fact building numpy failed. Could you post the corresponding log?
On Tuesday, August 14, 2018 at 12:20:36 PM UTC+3, Jörg-Volker wrote: > > > Hi, > trying to build Sage 8.3 on my GNU/Linux debian testing/sid system with > local gcc suite version 8.2.0 fails while compiling scipy. This is on a > desktop computer with 4 cores (8 threads) and 32 GB RAM. > > The build command was > > MAKE='make -j8' SAGE_INSTALL_GCC=no SAGE_BUILD_DIR=/tmp/sage-b make build >> > > The relevant log file shows > > Traceback (most recent call last): >> File "<string>", line 1, in <module> >> File "*/tmp/*.cache-walt/pip-9Uwgks-build/setup.py", line 416, in >> <module> >> setup_package() >> File "*/tmp/*.cache-walt/pip-9Uwgks-build/setup.py", line 396, in >> setup_package >> from numpy.distutils.core import setup >> File >> "*/tmp/sage/sage.git-8.3/local/lib/python2.7/site-packages/numpy/*__init__.py", >> line 142, in <module> >> from . import add_newdocs >> File >> "/tmp/sage/sage.git-8.3/local/lib/python2.7/site-packages/numpy/add_newdocs.py", >> line 13, in <module> >> from numpy.lib import add_newdoc >> File >> "*/tmp/sage/sage.git-8.3/local/lib/python2.7/site-packages/numpy/lib/*__init__.py", >> line 8, in <module> >> from .type_check import * >> File >> "/tmp/sage/sage.git-8.3/local/lib/python2.7/site-packages/numpy/lib/type_check.py", >> line 11, in <module> >> import numpy.core.numeric as _nx >> File >> "*/tmp/sage/sage.git-8.3/local/lib/python2.7/site-packages/numpy/core/*__init__.py", >> line 26, in <module> >> raise ImportError(msg) >> ImportError: >> Importing the multiarray numpy extension module failed. Most >> likely you are trying to import a failed build of numpy. >> If you're working with a numpy git repo, try `git clean -xdf` (removes >> all >> files not under version control). Otherwise reinstall numpy. >> >> Original error was: /usr/lib/x86_64-linux-gnu/libblas.so.3: undefined >> symbol: sgemv_thread_n >> >> Running setup.py install for scipy: finished with status 'error' >> >> > > The system has OpenBLAS installed but with a newer version 0.3.2. > > > > Any ideas? > > > > I've built previous versions of Sage on this system before (with gcc 7.3.0). > > > > Regards, > Jörg. > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.