this is the configuration i use to test building with lesstif ./configure '--prefix=/usr/local' '--cflags=-g -Wno-switch -malign-loops=2 -mal ign-jumps=2 -malign-functions=2' '--with-dialogs=motif' '--with-menubars=motif' '--package-path=/usr/local/lib/xemacs/packages-21.0' '--with-scrollbars=motif' I get this error: scrollbar-x.c: In function `update_one_scrollbar_bs': scrollbar-x.c:189: `XtNuseBackingStore' undeclared (first use this function) scrollbar-x.c:189: (Each undeclared identifier is reported only once scrollbar-x.c:189: for each function it appears in.) make[1]: *** [scrollbar-x.o] Error 1 make[1]: Leaving directory `/cvs/xemacs/xemacs-21/src' make: *** [dump-elcs] Error 2 jeff