diff -r 9f8feb3b9d86 CMakeLists.txt
--- CMakeLists.txt	Sun Apr 14 12:07:59 2013 +0100
+++ CMakeLists.txt	Sun Apr 14 12:09:15 2013 +0100
@@ -121,7 +121,7 @@
 	set(MGL_HAVE_PTHREAD 0)
 endif(enable-all OR enable-pthread)
 
-if((enable-all OR enable-hdf4) AND (NOT enable-lgpl) )
+if((enable-hdf4 AND (NOT enable-all) ) AND (NOT enable-lgpl) AND (NOT enable-hdf5))
 	set(MGL_HAVE_HDF4 1)
 	find_library(HDF4_LIB df)
 	find_library(HDF4MF_LIB mfhdf)