#20884: line buffering in sage-logger causes "hang" due to invisible prompt when
installing experimental packages
-------------------------------------+-------------------------------------
Reporter: mkoeppe | Owner:
Type: defect | Status: needs_work
Priority: blocker | Milestone: sage-7.3
Component: build | Resolution:
Keywords: | Merged in:
Authors: Erik Bray | Reviewers: Dima Pasechnik,
| Matthias Koeppe
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/embray/ticket-20884-squashed | 035e1d8e972d15f50229869da42fe669e9abc35e
Dependencies: | Stopgaps:
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Comment (by leif):
You don't have to install packages in a loop; you can download them one-
by-one, and afterwards run `make` on all of them.
In any case, the following is wrong:
{{{
#!sh
sage-logger "sage-spkg $INSTALL_OPTIONS -d '$PKG'"
logs/install.log
# Then make / install the package with no prompts
$MAKE SAGE_SPKG="sage-spkg $INSTALL_OPTIONS -y" "$OPT"
}}}
(`"$OPT"` should be `"$PKG"`.)
----
Unrelated to this ticket:
{{{
#!sh
# First of all, make sure that the toolchain is up-to-date
# (which is a dependency of every package)
./sage --location
$MAKE all-toolchain
}}}
is pretty stupid before we know the package(s) at all exist(s), can be
downloaded if needed, whatever. (And IIRC one gets `*** ALL ENVIRONMENT
VARIABLES BEFORE BUILD: ***` etc. twice for no reason, the first time
''before'' any relevant processing happens.)
--
Ticket URL: <https://trac.sagemath.org/ticket/20884#comment:93>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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