egcs-1.1 in SCOV5 changes memcpy() into buggy SCO bcopy()

[Jeffrey A Law]

  In message < 19980917001647.E1141@dgii.com >you write:
  > > When a C program uses memcpy(), the assembly generated calls bcopy().
  > 
  > I never noticed that before.   I was pretty mystified.   I ran the same
  > compiler source on a Linux system and generated more obvious output.
Deep dark corners of the compiler you never wanted to know about.

Defining TARGET_MEM_FUNCTIONS is definitely the right think to do if
all the sco5 versions have them.

jeff