Thanks, I did not notice that.  I will try it and report back.

-Jeremy

On Tuesday, January 21, 2020 at 2:43:02 PM UTC-6, Dima Pasechnik wrote:
>
> the interesting part of the log is 
>
>                            * The following required packages can not be 
> built: 
>                             * png 
>                             * Try installing png with `brew install 
> libpng` and 
>                             * pkg-config with `brew install pkg-config` 
>
> It seems you are building under Homebrew, but something goes wrong with 
> libpng. 
> Do you have it installed? 
>
> Do you have Sage's libpng built? 
>
>
>
>
> On Tue, Jan 21, 2020 at 8:01 PM Jeremy Martin <jeremy...@gmail.com 
> <javascript:>> wrote: 
> > 
> > I'm trying to build Sage 9.0 from source under MacOS Mojave 10.14.6. I 
> ran into an error with matplotlib.  The end of the error message is below, 
> and I'm attaching the logfile. 
> > 
> > Error building Sage. 
> > 
> > The following package(s) may have failed to build (not necessarily 
> > during this run of 'make all-start'): 
> > 
> > * package: matplotlib-2.2.4.p0 
> >   log file: /Applications/sage-9.0/logs/pkgs/matplotlib-2.2.4.p0.log 
> >   build directory: 
> /Applications/sage-9.0/local/var/tmp/sage/build/matplotlib-2.2.4.p0 
> > 
> > Any advice you can give will be helpful.  Thanks! 
> > 
> > --Jeremy Martin 
> > 
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>
>

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