On Fri, May 31, 2019 at 5:49 PM Colby Kelln <cke...@umich.edu> wrote:
>
> Hi,
>
> $ pkg-config --libs libpng
>
> -L/usr/local/Cellar/libpng/1.6.34/lib -lpng16 -lz
>
>
> and
>
>
> $ pkg-config --cflags libpng
>
> -I/usr/local/Cellar/libpng/1.6.34/include/libpng16
Thanks. Can you just uninstall it? Then building Sage should work one
way or another.
IIRC, MacOS 10.13/14 has its own libpng, which is good enoug: e.g.
Homebrew links its libraries against the system's one, (And if memory
fails me here then Sage will biuld its own libpng)
The problem with libpng in /usr/local/Cellar/libpng/1.6.34/ is that
it's a very non-standard location, and
the only way to use it is to either rely on pkg-config all the way, or
copy this location into (say) src/bin//sage-env-config and use it.
Hmm, the current way of using pkg-configure's macros in
spkg-configure.m4 files is flaky:
if the location of the package known to pkg-configure is non-standard,
chances are it won't get picked,
as this libpng example shows...
Dima
>
>
>
> On Friday, May 31, 2019 at 8:22:01 AM UTC-4, Dima Pasechnik wrote:
>>
>> On Fri, May 31, 2019 at 12:54 PM E. Madison Bray <erik...@gmail.com> wrote:
>> >
>> > On Wed, May 29, 2019 at 2:12 AM Colby Kelln <cke...@umich.edu> wrote:
>> > >
>> > > Hi,
>> > >
>> > > I'm receiving a similar error message. What exactly did you do to fix
>> > > the problem?
>> > >
>> > > Thanks
>> >
>> > FWIW I also experienced this problem upon updating to 8.8.beta7 on
>> > Cygwin. Possibly for unrelated reasons. Will investigate though.
>>
>> the underlying reason for this error is that $(SAGERUNTIME) (in all
>> the cases I saw it was broken sagelib), which is a dependency of
>> sagenb,
>> is broken at the time sagenb is building.
>>
>> SAGERUNTIME should depend on sage-starts
>> (and this probably is not hard to fix in the main Makefile)
>>
>>
>>
>> >
>> > > On Sunday, April 21, 2019 at 10:30:49 AM UTC-4, vdelecroix wrote:
>> > >>
>> > >> Indeed, sage did not start... After fixing it, sagenb installs.
>> > >>
>> > >> The error message is really confusing.
>> > >>
>> > >> Le 21/04/2019 à 16:25, Dima Pasechnik a écrit :
>> > >> > this error is an indication of an earlier build error. Try starting
>> > >> > sage.
>> > >> >
>> > >> > On Sun, 21 Apr 2019 15:13 Vincent Delecroix, <20100.d...@gmail.com>
>> > >> > wrote:
>> > >> >
>> > >> >> Ignore the second e-mail: the error occurred again compiling
>> > >> >> from scratch.
>> > >> >>
>> > >> >> Le 21/04/2019 à 14:24, Vincent Delecroix a écrit :
>> > >> >>> It appears to be a problem with my setup.
>> > >> >>>
>> > >> >>> I had some Python libraries in my $HOME/.sage/local
>> > >> >>> that made interference with the sage installation.
>> > >> >>>
>> > >> >>> Vincent
>> > >> >>>
>> > >> >>> Le 21/04/2019 à 13:22, Vincent Delecroix a écrit :
>> > >> >>>> Dear all,
>> > >> >>>>
>> > >> >>>> Starting from scratch, I failed to build sagenb. More precisely,
>> > >> >>>> it failed building its documentation with
>> > >> >>>>
>> > >> >>>> Running Sphinx v1.8.5
>> > >> >>>> making output directory...
>> > >> >>>> building [mo]: targets for 0 po files that are out of date
>> > >> >>>> building [html]: targets for 19 source files that are out of date
>> > >> >>>> updating environment: 19 added, 0 changed, 0 removed
>> > >> >>>> reading sources... [ 5%] index
>> > >> >>>> reading sources... [ 10%] misc/introspect
>> > >> >>>> reading sources... [ 15%] misc/misc
>> > >> >>>>
>> > >> >>>> Exception occurred:
>> > >> >>>> File "sage/misc/lazy_import.pyx", line 218, in
>> > >> >>>> sage.misc.lazy_import.LazyImport._get_object
>> > >> >>>> (build/cythonized/sage/misc/lazy_import.c:2495)
>> > >> >>>> raise RuntimeError(f"resolving lazy import {self._name}
>> > >> >>>> during
>> > >> >>>> startup")
>> > >> >>>> RuntimeError: resolving lazy import dumps during startup
>> > >> >>>>
>> > >> >>>> See also the more complete log in attachment.
>> > >> >>>>
>> > >> >>>> Vincent
>> > >> >>
>> > >> >> --
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