make bootstrap error (repeatable)

[Jeffrey A Law]

  In message < 3.0.5.32.19990330125632.007de970@lea >you write:
  > I'm running egcs-1.1.2 configure on a Windows95 machine (Pentium II with
  > MMX, 233MHz with 32MB memory) in the bash shell using cygwin beta 20.1.
  > 
  > The command make bootstrap fails, evidently because stdlib.h and unistd.h
  > cannot be found.
  > 
  > The configure appears to complete correctly, no errors reported, viz: 
You have to tell the compiler where to find include files since they're not
necessarily in a known localation on a windows machine.

jeff