*** gc_os_dep.c.org	Sat Dec  7 15:41:31 2002
--- gc_os_dep.c	Tue Apr 15 00:11:57 2003
***************
*** 347,352 ****
--- 347,357 ----
  #    define GNU
  #    define mach_type_known
  # endif
+ # if defined(__SCO_VERSION__)
+ #    define I386
+ #    define SYSV
+ #    define mach_type_known
+ # endif
  
  /* Feel free to add more clauses here */