scpi-pps at line 212 assumes that an SR_OK return means that the gvar
is valid, which leads to the following error:
** GLib:ERROR:/build/glib2.0-2.45.8/./glib/gvarianttypeinfo.c:184:g_variant_type_info_check: assertion failed: (0 <= index && index < 24)
Since Autoconf places some important feature flags only into the
configuration header, it is necessary to include it globally to
guarantee a consistent build.