g++ -DHAVE_CONFIG_H -I. -I../../../lyx-devel/src/frontends -I../../src -I../../../lyx-devel/src/frontends/.. -I../../../lyx-devel/boost -isystem /usr/X11R6/include -g -O -fno-exceptions -Wno-non-template-friend -W -Wall -c ../../../lyx-devel/src/frontends/Menubar.C -MT Menubar.lo -MD -MP -MF .deps/Menubar.TPlo ../../../lyx-devel/src/frontends/Menubar.C:19:27: Menubar_pimpl.h: No such file or directory
it looks like some includes are missing, is it me or cranky auto-whatever stuff? Ed.