Thanks to Jakub Tata-Tyczyński for finding this and reporting it in
fltk.coredev.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12638 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Basically replace CMAKE_XXX_DIR with CMAKE_CURRENT_XXX_DIR where
XXX = SOURCE or BINARY.
Patch proposal by cleanrock, FLTK PR #4:
https://github.com/fltk/test-only/pull/4
Patch modified to fix target dirs for test programs and doxygen docs.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12630 ea41ed52-d2ee-0310-a9c1-e6b18d33e121