uname -a: CYGWIN32_95 PIGLET 4.10 19.0 i586 unknown

configure 


XEmacs 21.0-b39 "Russian White-pre7" configured for `i386-pc-cygwin32'.

  Where should the build process find the source code?    /src/xemacs-20
  What installation prefix should install use?		  /usr/local
  What operating system and machine description files should XEmacs use?
        `s/cygwin32.h' and `m/intel386.h'
  What compiler should XEmacs be built with?              gcc -g -O2 -Wall -Wno-switch
  Should XEmacs use the GNU version of malloc?            yes
  Should XEmacs use the relocating allocator for buffers? default
  What window system should XEmacs use?                   msw
  Compiling in File coding support.
  movemail will use "dot-locking" for locking mail spool files.
  Using Lisp_Objects with minimal tagbits.
  Using indexed lrecord implementation.
  Compiling in extra code for debugging.
  Compiling in code for checking XEmacs memory usage.
  WARNING: ---------------------------------------------------------
  WARNING: Compiling in support for runtime error checking.
  WARNING: XEmacs will run noticeably more slowly as a result.
  WARNING: Error checking is on by default for XEmacs beta releases.
  WARNING: ---------------------------------------------------------