message in new-build output

[Jonathan Gibbons]

Every time I build from scratch, I see the following lines when I run make:

Making signal interposition lib...
Making SA debugger back-end...
**NOTICE** Dtrace support disabled: /usr/include/sys/sdt.h not found
Compiling /w/jjg/work/tl/hotspot/src/share/vm/runtime/vm_version.cpp


My question is, why do I see this as an error during "make"? Shouldn't 
this siutation be detected during "configure", and the appropriate 
actions taken at that time, to prevent any errors during "make"?

-- Jon