See: http://www.creatis.insa-lyon.fr/pipermail/dcmlib/2003-October/000192.html
$(LIBS_X11)
if BUILD_VTK
-noinst_PROGRAMS = vtkgdcmdemo gdcmViewer
+noinst_PROGRAMS = vtkgdcmdemo vtkgdcmViewer
vtkgdcmdemo_SOURCES = testvtkGdcmReader.cxx vtkGdcmReader.cxx
-gdcmViewer_SOURCES = gdcmViewer.cxx vtkGdcmReader.cxx
+gdcmViewer_SOURCES = vtkgdcmViewer.cxx vtkGdcmReader.cxx
vtkgdcmdemo_LDADD = $(LDADD)
lib_LTLIBRARIES = libvtkgdcm.la
libvtkgdcm_la_SOURCES = vtkGdcmReader.cxx