I can't compile xemacs sjt-xft for a testing debian

gcc -c -Wall -Wno-switch -Wmissing-prototypes -Wsign-compare -Wno-char-subscripts -Wundef -Wstrict-prototypes -Wpacked -Wunused-parameter -g -O3 -Demacs -I. -DHAVE_CONFIG_H -I/usr/include/freetype2 -I/usr/X11R6/include redisplay-x.c redisplay-x.c: In function `separate_textual_runs': redisplay-x.c:256: warning: implicit declaration of function `ichar_to_unicode' redisplay-x.c:259: error: `need_ccl_conversion' undeclared (first use in this function) redisplay-x.c:259: error: (Each undeclared identifier is reported only once redisplay-x.c:259: error: for each function it appears in.) make[1]: *** [redisplay-x.o] Error 1 [...] Internationalization: Mail: