diff -u ori\hpdf_config.h .\hpdf_config.h
--- ori\hpdf_config.h	Thu Sep 10 10:02:45 2009
+++ .\hpdf_config.h	Mon Apr 12 21:36:13 2010
@@ -34,7 +34,7 @@
 #undef HAVE_SYS_TYPES_H
 
 /* Define to 1 if you have the <unistd.h> header file. */
-#define HAVE_UNISTD_H 1
+#undef HAVE_UNISTD_H
 
 /* define pi */
 #ifndef M_PI
Only in .: ori