Hello,
I would like to install some Python package involving compilation
through Cython (namely [1]). It seems to be broken with
sage-7.3-OSX_10.11.6-x86_64.app.dmg installed on a computer with OS X
10.11.6 El Capitan.
Sage does work from the command line and gcc is present. But it seems
that libc and associated header files are required on the host. Namely
trying to install the package just fails with complaints that "limits.h"
does not exist
{{{
$ sage -pip install surface_dynamics
...
running build_ext
building 'surface_dynamics.flat_surfaces.origamis.origami_dense'
extension
...
In file included from
/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/gcc/x86_64-apple-darwin15.6.0/4.9.3/include-fixed/syslimits.h:7:0,
from
/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/gcc/x86_64-apple-darwin15.6.0/4.9.3/include-fixed/limits.h:34,
from
/Applications/SageMath-7.3.app/Contents/Resources/sage/local/include/python2.7/Python.h:19,
from
surface_dynamics/flat_surfaces/origamis/origami_dense.c:25:
/Applications/SageMath-7.3.app/Contents/Resources/sage/local/lib/gcc/x86_64-apple-darwin15.6.0/4.9.3/include-fixed/limits.h:168:61:
fatal error: limits.h: No such file or directory
#include_next <limits.h> /* recurse down to the real one */
^
compilation terminated.
error: command 'gcc' failed with exit status 1
}}}
Apparently, there needs to be a libc with headers on the host to have
anything related to compilation working properly. Is that right? I did
not find anywhere where it is documented...
Cheers,
Vincent
[1] https://pypi.python.org/pypi/surface_dynamics
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