Not sure it is relevant to your case, but under macOS
you need to manually install X11. For instance you can
use https://www.xquartz.org/

(Obviously, it should be installed before compiling OCaml.)


Hope this helps,

Xavier


On Wed, Feb 14, 2018 at 3:03 PM, Tim Leonard <Tim@timleonard.us> wrote:

> Thanks for the suggestion, but it doesn't seem to have helped. I get the
> same error with the same messages.
>
> Do I need to rebuild from further back?
>
>
>
> > On Feb 14, 2018, at 12:14 AM, Francois BERENGER <
> berenger@bioreg.kyushu-u.ac.jp> wrote:
> >
> > Install a compiler via opam instead of relying on the system one.
> >
> > $ opam switch 4.04.0
> > $ eval `opam config env`
> > $ opam install graphics
> >
> > I am quite sure it would solve your problem.
> >
> > On 02/14/2018 01:53 PM, Tim Leonard wrote:
> >> I tried to install the ocaml graphics package, but it fails. Any
> >> suggestions for how I can fix it?
> >> Other than the missing graphics package, my ocaml install is working
> fine.
> >>
> >>     ~/Documents/Work/Code/OCaml with graphics: opam update
> >>
> >>     =-=- Updating package repositories
> >> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>     [default: http] Command started
> >>     [default: http] Command started
> >>     [default] synchronized from https://opam.ocaml.org
> >>
> >>     ~/Documents/Work/Code/OCaml with graphics: opam upgrade
> >>     Already up-to-date.
> >>
> >>     ~/Documents/Work/Code/OCaml with graphics: opam install graphics
> >>     The following actions will be performed:
> >>       ∗  install graphics 1.0
> >>
> >>     =-=- Gathering sources
> >> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>
> >>     =-=- Processing actions
> >> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>     [graphics: ocamlc graphics.cma] Command started
> >>     [ERROR] The compilation of graphics failed at "ocamlc -custom
> >> graphics.cma -o
> >>             test".
> >>
> >>     #=== ERROR while installing graphics.1.0
> >> ======================================#
> >>     # opam-version         1.2.2
> >>     # os                   darwin
> >>     # command              ocamlc -custom graphics.cma -o test
> >>     # path                 /Users/Tim/.opam/system/build/graphics.1.0
> >>     # compiler             system (4.04.0)
> >>     # exit-code            2
> >>     # env-file
> >> /Users/Tim/.opam/system/build/graphics.1.0/graphics-14648-7afd23.env
> >>     # stdout-file
> >>  /Users/Tim/.opam/system/build/graphics.1.0/graphics-14648-7afd23.out
> >>     # stderr-file
> >>  /Users/Tim/.opam/system/build/graphics.1.0/graphics-14648-7afd23.err
> >>     ### stderr ###
> >>     # File "_none_", line 1:
> >>     # Error: Cannot find file graphics.cma
> >>
> >>     =-=- Error report
> >> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>     The following actions failed
> >>       ∗  install graphics 1.0
> >>     No changes have been performed
> >>
> >>     =-=- graphics.1.0 troubleshooting
> >> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> >>     => This package checks whether the Graphics library was compiled.
> >>
>
>
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