On 31st of August dcraw ver-8.9.7 was released. The current ~arch version in portage is ver-8.86 which is very old now (29th april, 2008) Reproducible: Always
I forgot to add, the stable version of dcraw ,ver-8.73, is very,very, old at almost 2.5 years old now (6th Apr, 2007).
*** This bug has been marked as a duplicate of bug 251665 ***