Hi John,

Do you have
libncurses5-dev
 installed?
I guess not, as in your config.log I see

conftest.cpp:56:21: fatal error: ncurses.h: No such file or directory

and this header is provided by this package.
I'd say it's a bug in Ubunty xenial that libreadline-dev does not
depend on this package!

Could you try installing it, then run

make ncurses-clean
make readline-clean
./configure

and check whether system-wide readline is picked up?

If yes, this should cure these machines...

Dima

On Tue, Oct 1, 2019 at 9:01 PM John Cremona <john.crem...@gmail.com> wrote:
>
>
>
> On Tue, 1 Oct 2019 at 13:42, Dima Pasechnik <dimp...@gmail.com> wrote:
>>
>> On Tue, Oct 1, 2019 at 7:43 PM John Cremona <john.crem...@gmail.com> wrote:
>> >
>> >
>> >
>> > On Tue, 1 Oct 2019 at 12:08, Dima Pasechnik <dimp...@gmail.com> wrote:
>> >>
>> >> On Tue, Oct 1, 2019 at 6:59 PM Dima Pasechnik <dimp...@gmail.com> wrote:
>> >> >
>> >> > It seems that these machines don't have readline development files
>> >> > properly installed.
>> >> >
>> >> > Could you attach config.log ?
>> >> >
>> >> I mean the "main" config.log, not the ones from package builds.
>> >
>> >
>> > Here it is.  I looks as if some version of readline was downloaded and 
>> > installed.
>> no, it says that Sage's readline will be built, because according to the 
>> test,
>> there is no ncurses (or tinfo) installed.
>>
>> So I am puzzled that you say that the machine has libreadline-dev installed.
>> Could you post the contents of this package?
>
>
> $ apt show libreadline-dev
> Package: libreadline-dev
> Version: 6.3-8ubuntu2
> Priority: optional
> Section: libdevel
> Source: readline6
> Origin: Ubuntu
> Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com>
> Original-Maintainer: Matthias Klose <d...@debian.org>
> Bugs: https://bugs.launchpad.net/ubuntu/+filebug
> Installed-Size: 6,144 B
> Depends: libreadline6-dev (= 6.3-8ubuntu2)
> Conflicts: libreadline-gplv2-dev
> Supported: 9m
> Download-Size: 992 B
> APT-Manual-Installed: yes
> APT-Sources: http://gb.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
> Description: GNU readline and history libraries, development files
>  The GNU readline library aids in the consistency of user interface
>  across discrete programs that need to provide a command line
>  interface.
>  .
>  The GNU history library provides a consistent user interface for
>  recalling lines of previously typed input.
>  .
>  This package is a dependency package depending on libreadline6-dev.
>
>>
>> As well, I'd like to look at the output of
>>
>> $ ldd `find /usr -name libreadline.so`
>>
>> - which should look more or less like:
>>
>> linux-vdso.so.1 (0x00007ffc2a2ce000)
>> libtinfo.so.6 => /lib/x86_64-linux-gnu/libtinfo.so.6 (0x000079942a162000)
>> libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x0000799429fa1000)
>> /lib64/ld-linux-x86-64.so.2 (0x000079942a3f3000)
>
>
> It finds the system one as well as two sage installation ones.  The system 
> one is like what you expected:
>
> /usr/local/sage/sage-8.8/local/lib/libreadline.so:
>         linux-vdso.so.1 =>  (0x00007ffd459fe000)
>         libtinfo.so.6 => /usr/local/sage/sage-8.8/local/lib/libtinfo.so.6 
> (0x00007f9940e43000)
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f9940a73000)
>         /lib64/ld-linux-x86-64.so.2 (0x00007f99412d3000)
> /usr/local/sage/sage-8.9/local/lib/libreadline.so:
>         linux-vdso.so.1 =>  (0x00007ffe9e4ce000)
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f00db8e3000)
>         /lib64/ld-linux-x86-64.so.2 (0x00007f00dbf03000)
> /usr/lib/x86_64-linux-gnu/libreadline.so:
>         linux-vdso.so.1 =>  (0x00007ffebbdd6000)
>         libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 
> (0x00007f2e72d1b000)
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2e7294b000)
>         /lib64/ld-linux-x86-64.so.2 (0x00007f2e73193000)
>
>>
>>
>> I gather that the test we have for system's ncurses is too
>> restrictive, and doesn't work
>> even though it should... (So this is a potential Sage bug)
>>
>> To continue with this problem:
>> Indeed, readline gets built by Sage, but it's a bit broken, as I
>> gather it's not linked
>> against libtinfo:
>>
>> To check this, please post the output of
>>
>
> $ ldd /usr/local/sage/sage-8.9/local/lib/libreadline.so.6
>         linux-vdso.so.1 =>  (0x00007ffce3bbe000)
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fbee541b000)
>         /lib64/ld-linux-x86-64.so.2 (0x00007fbee5a3b000)
>
>
>>
>>
>> I don't know why this doesn't work, it might be something went wrong in
>> ------------------
>> commit 584735d9abe44b079df2566f7f73b6a69aaea0cf
>> Author: Dima Pasechnik <dimp...@gmail.com>
>> Date:   Wed May 1 10:58:00 2019 +0100
>>
>>     get termcap library name from the readline's configure
>> --------------------
>>
>> (so this might be another Sage bug)
>>
>> ----------------------------------------------------
>> Fixing at least one of these bugs might cure the systems you have, but
>> more info is needed...
>> What OS is that, precisely?
>
>
> $ lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description:    Ubuntu 16.04.6 LTS
> Release:        16.04
> Codename:       xenial
>
> (Same for all 6 machines.  I have tried to be consistent by reporting answers 
> to your questions all from the same one.)
>
>>
>>
>> Sorry for trouble,
>
>
> Not at all, thanks for your help.
>
> On a more positive note, my python3 build on one of these machines was fine 
> after git pull trac develop.
>
>
>>
>> Dima
>>
>>
>> And Python2 does not do a very good job gathering what extra libs are needed,
>>  as its confugure output says
>>
>> checking how to link readline libs... -lreadline -ltermcap
>>
>> but then the error happens in the linking where one does not see -ltermcap, 
>> but
>> rather -lcursesw
>>
>> (so this might be a Python2 bug)
>>
>>
>>
>> >
>> > I can of course install more ubuntu packages on these machines (though I 
>> > do have libreadline-dev installed already) but that's not quite the point 
>> > here.
>> >
>> > John
>> >
>> >>
>> >> >
>> >> > On Tue, Oct 1, 2019 at 6:38 PM John Cremona <john.crem...@gmail.com> 
>> >> > wrote:
>> >> > >
>> >> > > For a change instead of updating the git repository to build 8.9 I 
>> >> > > downloaded the file 8.9.tar.gz from the Releases section on github.  
>> >> > > After unpacking and "make configure" I then did "make".  On 6 
>> >> > > different machines, all running ubuntu, all the builds failed with
>> >> > >
>> >> > > Error building Sage.
>> >> > >
>> >> > > The following package(s) may have failed to build (not necessarily
>> >> > > during this run of 'make all-start'):
>> >> > >
>> >> > > * package: python2-2.7.15.p1
>> >> > >   log file: /usr/local/sage/sage-8.9/logs/pkgs/python2-2.7.15.p1.log
>> >> > >   build directory: 
>> >> > > /usr/local/sage/sage-8.9/local/var/tmp/sage/build/python2-2.7.15.p1
>> >> > >
>> >> > > One logfile is attached, they all fail the same easy: something about 
>> >> > > readline.
>> >> > >
>> >> > > The point here is not so much what I should do to get around this, 
>> >> > > but rather, what is wrong with "make configure; make" which led it to 
>> >> > > happen on machines where the prerequisites for Sage are certainly all 
>> >> > > installed since they all have working versions of 8.8 (and many 
>> >> > > previous, and in some cases 8.9 prereleases) built from the github 
>> >> > > repo.
>> >> > >
>> >> > > John
>> >> > >
>> >> > > On Tue, 1 Oct 2019 at 09:07, Samuel Lelièvre 
>> >> > > <samuel.lelie...@gmail.com> wrote:
>> >> > >>
>> >> > >> ## Debian
>> >> > >>
>> >> > >> On Debian GNU/Linux 10 (buster), upgraded from
>> >> > >> SageMath 8.9.rc0 via git and tested SageMath 8.9,
>> >> > >> both py2 and py3. In both cases:
>> >> > >> - `make`: ok
>> >> > >> - `make testlong`: all tests pass!
>> >> > >>
>> >> > >> ## Cygwin
>> >> > >>
>> >> > >> On Cygwin64, tested SageMath 8.9, both py2 and py3,
>> >> > >> with the following hardware and operating system:
>> >> > >>
>> >> > >> - laptop: HP ProBook 640 G1
>> >> > >> - processor: Intel Core i7-4610M, 3.00 GHz
>> >> > >> - memory: 8 GB
>> >> > >> - Cygwin64 version: CYGWIN_NT-6.1 3.0.7 (0.338/5/3)
>> >> > >> - Windows: Windows 7 Professional (64-bit), Service Pack 1
>> >> > >>
>> >> > >> ### Summary
>> >> > >>
>> >> > >> Here is a summary following this structure:
>> >> > >>   - [file]  # [failures or timeouts during make testlong]
>> >> > >>     --> [result when tested individually]; [ticket references]
>> >> > >>
>> >> > >> - py2:
>> >> > >>   - src/sage/doctest/forker.py  # 4 doctests failed
>> >> > >>     --> passes when tested individually
>> >> > >>   - src/sage/parallel/map_reduce.py  # Timed out after testing 
>> >> > >> finished
>> >> > >>     --> passes when tested individually; might be #27537
>> >> > >>
>> >> > >> - py3
>> >> > >>   - src/sage/coding/linear_code.py  # Timed out
>> >> > >>     --> passes when tested individually; might be #26119
>> >> > >>   - src/sage/libs/eclib/interface.py  # 1 doctest failed
>> >> > >>     --> still fails when tested individually; see #28472 (positive 
>> >> > >> review)
>> >> > >>   - src/sage/rings/finite_rings/finite_field_base.pyx  # 1 doctest 
>> >> > >> failed
>> >> > >>     --> passes when tested individually
>> >> > >>   - src/sage/rings/polynomial/polynomial_rational_flint.pyx  # 1 
>> >> > >> doctest failed
>> >> > >>     --> still fails when tested individually; this is #28334
>> >> > >>   - src/sage_setup/clean.py  # 1 doctest failed
>> >> > >>     --> still fails when tested individually
>> >> > >>
>> >> > >> Read on for the details for each of py2 and py3.
>> >> > >>
>> >> > >> ### Python 2
>> >> > >>
>> >> > >> Upgraded from SageMath 8.9.rc0 via git.
>> >> > >> Ran `make`: success. Ran `make testlong` and individually
>> >> > >> retested files that failed or timed out, see below.
>> >> > >>
>> >> > >> $ make testlong
>> >> > >> ...
>> >> > >> ----------------------------------------------------------------------
>> >> > >> sage -t --long --warn-long 87.2 src/sage/doctest/forker.py  # 4 
>> >> > >> doctests failed
>> >> > >> sage -t --long --warn-long 87.2 src/sage/parallel/map_reduce.py  #
>> >> > >> Timed out after testing finished
>> >> > >> ----------------------------------------------------------------------
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2 src/sage/doctest/forker.py
>> >> > >> Running doctests with ID 2019-10-01-08-19-19-2f160fbc.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2 src/sage/doctest/forker.py
>> >> > >>     [449 tests, 34.21 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> All tests passed!
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 81.7 seconds
>> >> > >>     cpu time: 5.5 seconds
>> >> > >>     cumulative wall time: 34.2 seconds
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2 src/sage/parallel/map_reduce.py
>> >> > >> Running doctests with ID 2019-10-01-08-21-35-400c0707.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2 src/sage/parallel/map_reduce.py
>> >> > >>     [294 tests, 33.43 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> All tests passed!
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 34.0 seconds
>> >> > >>     cpu time: 5.2 seconds
>> >> > >>     cumulative wall time: 33.4 seconds
>> >> > >>
>> >> > >> ### Python 3
>> >> > >>
>> >> > >> Upgraded from SageMath 8.9.rc0 via git.
>> >> > >> Ran `make`: success. Ran `make testlong` and individually
>> >> > >> retested files that failed or timed out, see below.
>> >> > >>
>> >> > >> $ make testlong
>> >> > >> ...
>> >> > >> ----------------------------------------------------------------------
>> >> > >> sage -t --long --warn-long 87.2 src/sage/coding/linear_code.py  # 
>> >> > >> Timed out
>> >> > >> sage -t --long --warn-long 87.2 src/sage/libs/eclib/interface.py  # 1
>> >> > >> doctest failed
>> >> > >> sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/finite_rings/finite_field_base.pyx  # 1 doctest failed
>> >> > >> sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/polynomial/polynomial_rational_flint.pyx  # 1 doctest
>> >> > >> failed
>> >> > >> sage -t --long --warn-long 87.2 src/sage_setup/clean.py  # 1 doctest 
>> >> > >> failed
>> >> > >> ----------------------------------------------------------------------
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2 src/sage/coding/linear_code.py
>> >> > >> Running doctests with ID 2019-10-01-07-58-10-19e3fc53.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2 src/sage/coding/linear_code.py
>> >> > >>     [749 tests, 28.33 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> All tests passed!
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 29.2 seconds
>> >> > >>     cpu time: 25.8 seconds
>> >> > >>     cumulative wall time: 28.3 seconds
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2 src/sage/libs/eclib/interface.py
>> >> > >> Running doctests with ID 2019-10-01-07-58-59-bd646d17.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2 src/sage/libs/eclib/interface.py
>> >> > >> **********************************************************************
>> >> > >> File "src/sage/libs/eclib/interface.py", line 597, in
>> >> > >> sage.libs.eclib.interface.mwrank_EllipticCurve.saturate
>> >> > >> Failed example:
>> >> > >>     E.saturation([Q1,Q2])
>> >> > >> Expected:
>> >> > >>     ([(1 : -27 : 1), (157 : 1950 : 1)], 3, 0.801588644684981)
>> >> > >> Got:
>> >> > >>     Attempt to round -0.2617840677e25 to a long int fails, aborting!
>> >> > >>     ([(1 : -27 : 1), (157 : 1950 : 1)], 3, 0.801588644684981)
>> >> > >> **********************************************************************
>> >> > >> 1 item had failures:
>> >> > >>    1 of   9 in 
>> >> > >> sage.libs.eclib.interface.mwrank_EllipticCurve.saturate
>> >> > >>     [192 tests, 1 failure, 5.96 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> sage -t --long --warn-long 87.2 src/sage/libs/eclib/interface.py  # 1
>> >> > >> doctest failed
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 6.5 seconds
>> >> > >>     cpu time: 5.7 seconds
>> >> > >>     cumulative wall time: 6.0 seconds
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/finite_rings/finite_field_base.pyx
>> >> > >> Running doctests with ID 2019-10-01-08-01-55-2dd8733a.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/finite_rings/finite_field_base.pyx
>> >> > >>     [272 tests, 18.14 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> All tests passed!
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 18.7 seconds
>> >> > >>     cpu time: 18.0 seconds
>> >> > >>     cumulative wall time: 18.1 seconds
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/polynomial/polynomial_rational_flint.pyx
>> >> > >> Running doctests with ID 2019-10-01-08-03-34-441e450a.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/polynomial/polynomial_rational_flint.pyx
>> >> > >> **********************************************************************
>> >> > >> File "src/sage/rings/polynomial/polynomial_rational_flint.pyx", line
>> >> > >> 2055, in 
>> >> > >> sage.rings.polynomial.polynomial_rational_flint.Polynomial_rational_flint.galois_group
>> >> > >> Failed example:
>> >> > >>     G = f.galois_group(); G
>> >> > >> Expected:
>> >> > >>     Transitive group number 5 of degree 4
>> >> > >> Got:
>> >> > >>     Exception (FLINT memory_manager). Unable to allocate memory.
>> >> > >>     Transitive group number 5 of degree 4
>> >> > >> **********************************************************************
>> >> > >> 1 item had failures:
>> >> > >>    1 of  16 in 
>> >> > >> sage.rings.polynomial.polynomial_rational_flint.Polynomial_rational_flint.galois_group
>> >> > >>     [397 tests, 1 failure, 5.79 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> sage -t --long --warn-long 87.2
>> >> > >> src/sage/rings/polynomial/polynomial_rational_flint.pyx  # 1 doctest
>> >> > >> failed
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 6.3 seconds
>> >> > >>     cpu time: 4.7 seconds
>> >> > >>     cumulative wall time: 5.8 seconds
>> >> > >>
>> >> > >> $ ./sage -t --long --warn-long 87.2 src/sage_setup/clean.py
>> >> > >> Running doctests with ID 2019-10-01-08-04-44-25198bd4.
>> >> > >> Git branch: develop
>> >> > >> Using --optional=build,dochtml,python2,sage
>> >> > >> Doctesting 1 file.
>> >> > >> sage -t --long --warn-long 87.2 src/sage_setup/clean.py
>> >> > >> **********************************************************************
>> >> > >> File "src/sage_setup/clean.py", line 100, in 
>> >> > >> sage_setup.clean._find_stale_files
>> >> > >> Failed example:
>> >> > >>     for f in stale_iter:
>> >> > >>         if f.endswith(skip_extensions): continue
>> >> > >>         print('Found stale file: ' + f)
>> >> > >> Expected nothing
>> >> > >> Got:
>> >> > >>     Found stale file: 
>> >> > >> sage/graphs/__pycache__/line_graph.cpython-37.pyc
>> >> > >> **********************************************************************
>> >> > >> 1 item had failures:
>> >> > >>    1 of  11 in sage_setup.clean._find_stale_files
>> >> > >>     [17 tests, 1 failure, 0.51 s]
>> >> > >> ----------------------------------------------------------------------
>> >> > >> sage -t --long --warn-long 87.2 src/sage_setup/clean.py  # 1 doctest 
>> >> > >> failed
>> >> > >> ----------------------------------------------------------------------
>> >> > >> Total time for all tests: 1.0 seconds
>> >> > >>     cpu time: 0.5 seconds
>> >> > >>     cumulative wall time: 0.5 seconds
>> >> > >>
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