IRIX6.2 build failure

I CVS updated my source this morning and the build failed. ../configure '--site-libraries=/usr/local/lib' '--site-includes=/usr/local/include' '--cflags=-g' '--package-path=/devdisk/d54man/gnu/xemacs-beta/packages' '--with-mule=no' XEmacs 21.2-b19 "Shinjuku" configured for `mips-sgi-irix6.2'. Where should the build process find the source code? /devdisk/d54man/gnu/xemacs-beta/xemacs-21.2 What installation prefix should install use? /usr/local What operating system and machine description files should XEmacs use? `s/irix6-0.h' and `m/iris4d.h' What compiler should XEmacs be built with? cc -g Should XEmacs use the GNU version of malloc? yes Should XEmacs use the relocating allocator for buffers? yes What window system should XEmacs use? x11 Where do we find X Windows header files? Where do we find X Windows libraries? Additional header files: /usr/local/include Additional libraries: /usr/local/lib Runtime library search path: /usr/local/lib Compiling in support for XAUTH. Compiling in support for XPM images. Compiling in support for PNG image handling. Compiling in support for (builtin) GIF image handling. Compiling in support for JPEG image handling. Compiling in support for TIFF image handling. Compiling in support for X-Face message headers. Compiling in native sound support. Compiling in support for DBM. Compiling in support for proper WM_COMMAND handling. Using Lucid menubars. Using Lucid scrollbars. Using Motif native widgets. Using Motif dialog boxes. Compiling in DSO module support. movemail will use "dot-locking" for locking mail spool files. Compiling in extra code for debugging. 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: --------------------------------------------------------- A make beta went as usual until this . . . Loading /devdisk/d54man/gnu/xemacs-beta/xemacs-21.2/i62-r4k/lisp/loaddefs.elc... Loading site-load... Finding pointers to doc strings... Finding pointers to doc strings...done Dumping under the name xemacs Testing for Lisp shadows ... Fatal error: assertion failed, file /devdisk/d54man/gnu/xemacs-beta/xemacs-21.2/src/lisp.h, line 650, RECORD_TYPEP (obj, &lrecord_cons) make[1]: *** [xemacs] Abort make[1]: *** Deleting file `xemacs' make[1]: Leaving directory `/devdisk/d54man/gnu/xemacs-beta/xemacs-21.2/i62-r4k/src' make: *** [src] Error 1 Any ideas ? -- Paul Bibilo, Delcam plc, | Tel: +44 121 766 5544 Talbot Way, Small Heath, Birmingham, | Fax: +44 121 766 5511 England, B10 0HJ. | ICBM-mail: 52 17N 1 30W #include <disclaimer.h> | ICQ: 32045109