#9799: Running "make" in SAGE_ROOT returns the wrong exit code, leading to all
kinds of confusion
---------------------------------------------+------------------------------
Reporter: was | Owner: GeorgSWeber
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-4.6
Component: build | Keywords: makefile
Author: Leif Leonhardy, John Palmieri | Upstream: N/A
Reviewer: Jeroen Demeyer | Merged:
Work_issues: |
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Comment(by leif):
Replying to [comment:26 mpatel]:
> Replying to [comment:24 leif]:
> > Btw, I wonder if we should at all let the mixed-up output appear on
the screen (i.e., {{{stdout}}}) when doing ''parallel'' builds. This isn't
''that'' easy to handle, because the "decision" to actually perform a
parallel build is currently (IMHO unnecessarily) made in
{{{spkg/install}}}. If we want to change that (I'd prefer having just
''"Building package xy..."'', ''"Successfully installed package xy"'' /
''"Error installing package xy"'' on the screen and in the main log,
{{{$SAGE_ROOT/install.log}}}), this should of course be addressed on
another ticket.
>
> Would using, e.g.,
{{{
@echo ' ACTION ' $@; command that does the action
}}}
> in `Makefile` and `deps` and replacing "pipestatus/tee" with ">>" in
`deps` help? Is there any way to keep recording a big, multiplexed log in
the background, if we still want it?
I was thinking of ''conditionally'' {{{tee}}}ing (at least) in the top-
level Makefile (just ''redirecting'' stdout on parallel builds) and
checking the exit status inside the receipts to print appropriate messages
to some other file descriptor than stdout in {{{deps}}}.
Verbosity levels for {{{sage-spkg}}} wouldn't be bad either, especially
suppressing the verbose {{{tar}}} output is IMHO worth doing, since a lot
of spkgs contain hundreds or thousands of files (while the actual build
log is often only a few lines).
But I must admit I've already forgotten what exactly I'd planned
yesterday... ;-)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9799#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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