AC_MSG_ERROR([YAZ development libraries missing])
fi
YAZ_DOC
-AC_CHECK_HEADERS([unistd.h sys/stat.h sys/time.h sys/types.h])
+AC_CHECK_HEADERS([unistd.h sys/stat.h sys/time.h sys/types.h fcntl.h])
AC_ARG_ENABLE(zoom,[ --disable-zoom disable ZOOM (for old C++ compilers)],[enable_zoom=$enableval],[enable_zoom=yes])
AM_CONDITIONAL(ZOOM, test $enable_zoom = "yes")