This seems to be caused by not using the included version of freeglut. https://git.ghostscript.com/?p=mupdf.git;a=commit;h=06c999fec01863a90824ba2f9f3ce98ea1a967d3
> On Oct 16, 2023, at 1:26 PM, Kenneth Wolcott <kennethwolc...@gmail.com> wrote: > > Hi; > > I recently installed the mupdf port. The pdf output looks great, > but a nit: the following warnings are generated when using mupdf-gl to > display a pdf file. > > warning: This version of MuPDF has been built WITHOUT clipboard or > unicode input support! > warning: Please file a complaint with your friendly local distribution > manager. > > Thanks, > Ken Wolcott