No GNU malloc in glibc 2.2 ???

What's up with the attached malloc report? Why doesn't the GNU libc malloc work in Alpha Linux? Config.log shows malloc detection apparently succeeding: configure:2844: checking for malloc_get_state configure:2870: gcc -o conftest -O2 -mieee -fno-caller-saves conftest.c -lgcc -lc -lgcc /usr/lib/crtn.o 1>&5 configure:2890: checking for malloc_set_state configure:2916: gcc -o conftest -O2 -mieee -fno-caller-saves conftest.c -lgcc -lc -lgcc /usr/lib/crtn.o 1>&5 configure:2936: checking whether __after_morecore_hook exists configure:2945: gcc -o conftest -O2 -mieee -fno-caller-saves conftest.c -lgcc -lc -lgcc /usr/lib/crtn.o 1>&5 This is built with a glibc 2.2 CVS snapshot and a GCC CVS snapshot. uname -a: Linux dejima.jp.tlan 2.2.13 #1 SMP Sun Jan 12 14:31:26 JST 2048 alpha unknown ./configure '--cflags=-O2 -mieee -fno-caller-saves' '--prefix=usr' '--lockdir=/var/lock/xemacs' '--mandir=/usr/share/man' '--error-checking=no' '--debug=no' '--with-offix=no' '--with-xface=yes' '--with-dialogs=athena' '--with-menubars=lucid' '--with-xfs' '--with-pop' '--with-sound=no' '--with-mule' '--with-xim=xlib' '--with-ldap=no' XEmacs 21.1.10 "Capitol Reef" configured for `alphaev6-unknown-linux'. Where should the build process find the source code? /usr/src/turbo/BUILD/xemacs-21.1.10 What installation prefix should install use? usr What operating system and machine description files should XEmacs use? `s/linux.h' and `m/alpha.h' What compiler should XEmacs be built with? gcc -O2 -mieee -fno-caller-saves Should XEmacs use the GNU version of malloc? no (The GNU allocators don't work with this system configuration). Should XEmacs use the relocating allocator for buffers? yes What window system should XEmacs use? x11 Where do we find X Windows header files? /usr/X11R6/include Where do we find X Windows libraries? /usr/X11R6/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 support for Berkeley DB. Compiling in support for GNU DBM. Compiling in support for ncurses. Compiling in support for GPM (General Purpose Mouse). Compiling in Mule (multi-lingual) support. Compiling in XIM (X11R5+ I18N input method) support. Using raw Xlib to provide XIM support. Using XFontSet to provide bilingual menubar. Compiling in support for proper session-management. Using Lucid menubars. Using Lucid scrollbars. Using Athena dialog boxes. Compiling in DLL support. movemail will use "dot-locking" for locking mail spool files. Using POP for mail access Using Lisp_Objects with minimal tagbits.