#21116: Improve Sage's top-level 'configure'
-------------------------------------------------+-------------------------
Reporter: leif | Type:
| enhancement
Status: new | Priority: major
Milestone: sage-7.4 | Component: build:
Keywords: require check system python | configure
Xcode version | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #21102 | Stopgaps:
-------------------------------------------------+-------------------------
There are a couple of things which can (and should) be improved:
* `configure` doesn't contain any check for `python` (and its version),
despite Sage meanwhile requiring a ''system'' python to build (until one
of Sage's python packages has been built). This is a critical defect on
its own, but as we've been living with that since Sage 6.7 IIRC, I haven't
made this issue a blocker. (`sage-download-file` or `sage-uncompress-
spkg` simply ''won't run'' if there's ''not any'' `python` in the PATH,
but we cannot be sure they'll work properly with some random version.)
* The checks for Xcode on Darwin (MacOS X) are presumably outdated, and
`configure` eventually only gives warnings or hints. (We should probably
also check or deduce whether Xcode's default assembler is still Apple's
ancient fork of the GNU assembler, which has major deficiencies, and
install a wrapper script `$SAGE_LOCAL/bin/as` which invokes LLVM's more
recent assembler in that case. Then the GCC package won't have to deal
with that, which it currently doesn't anyway, potentially leading to build
errors caused by the assembler not supporting the instructions Sage's GCC
emits. The latter can also happen on (older) Linux distros when Sage's
GCC gets built, though, so something not Darwin-specific should be added
to GCC's spkg-install, too.)
* The list of all Sage packages dumped near the end of `configure` lets
any warning messages given earlier drown, so it's less likely people will
notice them. We could collect at least important warnings in order to
give (or repeat) them at the end (a `configure` "summary" would IMHO be
good anyway), and/or print more than one package name per line.
* ... (There are quite certainly other things which could be improved.)
--
Ticket URL: <https://trac.sagemath.org/ticket/21116>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
