gcc-2.95.2 today's make.log attached Garst
Making all in xforms make[4]: Entering directory `/usr/local/garst/lyx-devel/src/frontends/xforms' /bin/sh ../../../libtool --mode=compile g++ -DHAVE_CONFIG_H -I. -I. -I../../../src -I../../../images -I../../../src/ -I../../../src/frontends/ -I../../../src/frontends/controllers -I../../.. -I../../.. -I../../../boost -isystem /usr/X11R6/include -O -fno-exceptions -W -Wall -c Menubar_pimpl.C g++ -DHAVE_CONFIG_H -I. -I. -I../../../src -I../../../images -I../../../src/ -I../../../src/frontends/ -I../../../src/frontends/controllers -I../../.. -I../../.. -I../../../boost -isystem /usr/X11R6/include -O -fno-exceptions -W -Wall -Wp,-MD,.deps/Menubar_pimpl.pp -c Menubar_pimpl.C -o Menubar_pimpl.o In file included from Menubar_pimpl.C:18: ../../../boost/boost/smart_ptr.hpp: In method `void boost::shared_ptr<const MenuItem>::dispose()': ../../../boost/boost/smart_ptr.hpp:155: instantiated from `boost::shared_ptr<const MenuItem>::~shared_ptr()' Menubar_pimpl.h:77: instantiated from here ../../../boost/boost/smart_ptr.hpp:272: invalid use of undefined type `class MenuItem' Menubar_pimpl.h:32: forward declaration of `class MenuItem' ../../../boost/boost/smart_ptr.hpp: In method `void boost::shared_ptr<const MenuItem>::reset(const MenuItem * = 0)': Menubar_pimpl.h:77: instantiated from here ../../../boost/boost/smart_ptr.hpp:218: invalid use of undefined type `class MenuItem' Menubar_pimpl.h:32: forward declaration of `class MenuItem' make[4]: *** [Menubar_pimpl.lo] Error 1