[PATCH] gold: add --incremental, --incremental-changed, --incremental-unchanged and --incremental-unknown command line options

[Ian Lance Taylor]

Mikolaj Zalewski <mikolajz@google.com> writes:

>   This patch adds the incremental command line options. They have no
> effect yet. The --incremental-* disposition is stored in the
> Input_file_argument. Files added by plug-ins and scripts are always
> --incremental-unknowns. The latter causes -lXXX libraries to be always
> --incremental-unknown. I can look into it later, but I wanted to show
> the patch already in case there are some problems with the approach
> and the patch needs to be made differently. Specifying --incremental-*
> without --incremental is considered an error.

Thanks.  You're adding --incremental-* to General_options, but it should
really be in Position_dependent_options.  If you do that you shouldn't
need to change the Input_file_argument constructor.

Ian