*** opengrm-ngram-1.0.3/src/include/ngram/ngram-randgen.h	2012-02-13 15:45:55.000000000 +0100
--- src/opengrm-ngram-1.0.3/src/include/ngram/ngram-randgen.h	2012-06-24 22:49:53.475956501 +0200
***************
*** 35,40 ****
--- 35,41 ----
  
  #include <fst/fst.h>
  #include <fst/randgen.h>
+ #include <unistd.h>
  
  namespace ngram {