add check to make sure the libXft and libXext are in the same directory as libX11 to make sure the installation is coherent (on OSX to avoid mixing libs from MacPorts or Fink with the native OSX libs).
add check to make sure the libXft and libXext are in the same directory as
libX11 to make sure the installation is coherent (on OSX to avoid mixing libs
from MacPorts or Fink with the native OSX libs).


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@41620 27541ba8-7e3a-0410-8455-c3a389f83636

bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical,bbockelm/root-historical