plot.tverify : tsharp: no visible global function definition for
  'pushViewport'
plot.tverify : tsharp: no visible global function definition for
  'viewport'
plot.tverify : tsharp: no visible global function definition for
  'grid.polygon'
plot.tverify : tsharp: no visible global function definition for 'gpar'
plot.tverify : tsharp: no visible global function definition for
  'grid.text'
plot.tverify : tsharp: no visible global function definition for
  'popViewport'
plot.tverify : tdecomp: no visible global function definition for
  'grid.polygon'
plot.tverify : tdecomp: no visible global function definition for
  'gpar'
plot.tverify : tdecomp: no visible global function definition for
  'grid.lines'
plot.tverify : tdecomp: no visible global function definition for
  'grid.points'
plot.tverify : tdecomp: no visible global function definition for
  'unit'
plot.tverify : tdecomp: no visible global function definition for
  'grid.text'
plot.tverify: no visible global function definition for 'pushViewport'
plot.tverify: no visible global function definition for 'viewport'
plot.tverify: no visible global function definition for 'grid.points'
plot.tverify: no visible global function definition for 'unit'
plot.tverify: no visible global function definition for 'gpar'
plot.tverify: no visible global function definition for 'grid.lines'
plot.tverify: no visible global function definition for 'popViewport'
tcolour: no visible global function definition for 'dichromat'
tgetcal : oldgetT: no visible global function definition for 'solve.QP'
tmap: no visible global function definition for 'map'
tmap: no visible global function definition for 'pushViewport'
tmap: no visible global function definition for 'viewport'
tmap: no visible global function definition for 'unit'
tmap: no visible global function definition for 'popViewport'
tpalette: no visible global function definition for 'pushViewport'
tpalette: no visible global function definition for 'viewport'
tpalette: no visible global function definition for 'grid.polygon'
tpalette: no visible global function definition for 'gpar'
tpalette: no visible global function definition for 'popViewport'
tplot: no visible global function definition for 'grid.newpage'
tplot: no visible global function definition for 'pushViewport'
tplot: no visible global function definition for 'viewport'
tplot: no visible global function definition for 'unit'
tplot: no visible global function definition for 'grid.text'
tplot: no visible global function definition for 'gpar'
tplot: no visible global function definition for 'grid.polygon'
tplot: no visible global function definition for 'grid.lines'
tplot: no visible global function definition for 'grid.points'
tplot: no visible global function definition for 'popViewport'
tplot: no visible global function definition for 'upViewport'