If you're building this separately from bash or the readline library, add $(srcdir)/shell.c to the CSOURCES variable and shell.o to the OBJECTS variable in Makefile.in. (Not that this is very useful without readline or bash.)
If you're building this separately from bash or the readline library, add $(srcdir)/shell.c to the CSOURCES variable and shell.o to the OBJECTS variable in Makefile.in. (Not that this is very useful without readline or bash.)