* acinclude.m4 (AC_LC_SYSDEPS): added 'machine_incs' which is used in 'INCLUDES' in several 'Makefile.am's; fixed typo 'ac_cv_want_names'; added missing AC_SUBST of 'use_glibtop_machine_h'.
* acinclude.m4 (AC_LC_SYSDEPS): added '--enable-libgtop-server' (default=auto), '--enable-libgtop-names' (default=yes) and '--enable-libgtop-guile' (default=yes); we now define 'GLIBTOP_NAMES' here. * acconfig.h: added 'GLIBTOP_NAMES' and 'GLIBTOP_GUILE_NAMES'