opengl apps were left out of the targets list on purpose
so that only non-opengl apps would build.
TODO: Determine a way to detect the presence of fltk opengl libs
from within the Makefile using only fltk-config, so as to
conditionally build the opengl examples.
Do NOT use fltk's own build system (../makeinclude or cmake)
to determine this, so the Makefiles will work as user examples.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12616 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
FLTK settings defined in a separate Makefile.FLTK
which users can nab for their own use.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8324 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
