This patch fixes the problem of elkhound segfaulting while
generating cc.gr.gen.cc on Cygwin.

To apply the patch:
  $ cd elkhound
  $ patch < fix.emitcode.patch

Index: emitcode.cc
===================================================================
RCS file: /home/cvs-repository/elkhound/emitcode.cc,v
retrieving revision 1.5
diff -c -r1.5 emitcode.cc
*** emitcode.cc	1 Mar 2005 11:34:32 -0000	1.5
--- emitcode.cc	28 Jun 2005 09:58:49 -0000
***************
*** 5,10 ****
--- 5,11 ----
  #include "syserr.h"        // xsyserror
  #include "srcloc.h"        // SourceLoc
  #include "trace.h"         // tracingSys
+ #include <string.h>        // memcpy
  
  EmitCode::EmitCode(rostring f)
    : stringBuilder(),
***************
*** 41,47 ****
      p++;
    }
  
!   os << *this;
    setlength(0);
  }
  
--- 42,76 ----
      p++;
    }
  
!   #if 0
!     // this is the original code
!     os << *this;
!   #else
!     // 2005-06-28: There is a bug in the cygwin implementation of
!     // ofstream::operator<< that causes a stack overflow segfault
!     // when writing strings longer than about 2MB.  So, I will
!     // manually break up the string into little chunks to write it.
! 
!     // how long is the string?
!     int len = p - c_str();
! 
!     enum { SZ = 0x1000 };       // write in 4k chunks
!     p = c_str();
! 
!     while (len >= SZ) {
!       char buf[SZ+1];
!       memcpy(buf, p, SZ);
!       buf[SZ] = 0;
! 
!       os << buf;
! 
!       p += SZ;
!       len -= SZ;
!     }
! 
!     os << p;
!   #endif
! 
    setlength(0);
  }