client applications without including Mac OS system headers, with a gain in speed of
compilation and portability. The source files of all FLTK libraries must now be compiled with
-DFL_LIBRARY under Mac OS X. Make, CMake and Xcode project support files
have been modified accordingly.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8113 ea41ed52-d2ee-0310-a9c1-e6b18d33e121