scsh-0.1 build fails if it isn't already installed

[Scott Schwartz <schwartz@galapagos.cse.psu.edu>]

: roke; ./configure; make 
[much output deleted ...]

./scshvm -o ./scshvm -i cig/cig.image \
        < scsh/load-scsh.scm
Welcome to Scheme 48 0.36 (CIG Preloaded -bri).
Copyright (c) 1993, 1994 by Richard Kelsey and Jonathan Rees.
Please report bugs to scheme-48-bugs@martigny.ai.mit.edu.
Type ,? (comma question-mark) for help.
> > > > Will exit on errors
Flushing location names and tabulated debug info
#t
scsh/scsh-interfaces.scm .....................
scsh/packages.scm .....
scsh/scsh-package.scm .....
[scsh
[defrec-package
scsh/defrec.scm 
]
[os-dependent
[sunos-defs
scsh/enumconst.scm scsh/fdflags.scm scsh/errno.scm scsh/signals.scm 
..........................
..........................................................................................
.....................
]
]
[bigbit

Error: can't open for input
       "/usr/local/lib/scsh/big/bigbit.scm"
*** Error code 1
make: Fatal error: Command failed for target `scsh/scsh.image'
# status 1
: roke;