[Buildroot] [PATCH v4] Allow a single DHCP configuration via the system configuration submenu

[Jeremy Rosen <jeremy.rosen@openwide.fr>]

> 
> Sorry for the slow response. We have discussed this during the dev
> days
> and agreed to include it. Committed with some changes, see below.
> 
> Thanks!


Thanks a lot, really appreciated :)

> 
> > +config BR2_SIMPLE_DHCP
> 
> We're not completely consist with this, but the new system options
> are
> called BR2_SYSTEM_*, so I've renamed to the option.
> 
> > +	string "Name of the physical network interface to run DHCP on"
> 
> This is quite long, so I reworded it to:
> 
> "Network interface to configure through DHCP"
> 
> > +	default ""
>  > +	depends on !BR2_PACKAGE_SYSTEMD_NETWORKD && (BR2_PACKAGE_BUSYBOX
>  > || BR2_PACKAGE_IFUPDOWN)
>  > +	help
>  > +	  The name of the network interface to configure automatically.
>  > +	  A DHCP request will automatically happen on startup on the
>  > selected
>  > +	  interface.
> 
> And here I reworded it a bit and mentioned an example (eth0).
> 
>  
>  > +define SET_NETWORK_LOCALHOST
>  > +        echo "# interface file auto-generated by buildroot" >
>  >  $(TARGET_DIR)/etc/network/interfaces
>  > +        echo                                                >>
>  > $(TARGET_DIR)/etc/network/interfaces
>  > +        echo "auto lo"                                      >>
>  > $(TARGET_DIR)/etc/network/interfaces
>  > +        echo "iface lo inet loopback"                       >>
>  > $(TARGET_DIR)/etc/network/interfaces
>  > +        echo                                                >>
>  > $(TARGET_DIR)/etc/network/interfaces
>  > +endef
> 
> Elsewhere in BR we use syntax like:
> 
> ( \
>   echo foo ; \
>   echo bar ; \
> ) > file
> 
> Which is a bit less verbose, so I've changed it to that.
> 
> --
> Bye, Peter Korsgaard
>