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[PATCH v3 13/18] PR ld/24600: LD: Add options to control mapless archive acceptance

Jan Beulich jbeulich@suse.com
Tue Dec 9 15:11:53 GMT 2025 
On 20.11.2025 11:56, Maciej W. Rozycki wrote:
> @@ -798,7 +813,7 @@ const char *const bfd_errmsgs[] =
>    N_("invalid operation"),
>    N_("memory exhausted"),
>    N_("no symbols"),
> -  N_("archive has no index; run ranlib to add one"),
> +  N_("archive has no index; run ranlib to add one or use --link-mapless"),

With --link-mapless being the default, would the suggestion better be to avoid
use of --no-link-mapless?

> @@ -2373,6 +2374,12 @@ library during a library search.  This o
>  Turn off the effect of the @option{--whole-archive} option for subsequent
>  archive files.
>  
> +@kindex --no-link-mapless
> +@item --no-link-mapless
> +Reject archives that lack an index aka symbol map for all the subsequent
> +archives referred on the command line.  If such a file is encountered,
> +a link error occurs.  This is the traditional behavior.
> +
>  @cindex output file after errors
>  @kindex --noinhibit-exec
>  @item --noinhibit-exec
> @@ -3182,6 +3189,12 @@ Second, don't forget to use @option{-Wl,
>  list of archives, because gcc will add its own list of archives to
>  your link and you may not want this flag to affect those as well.
>  
> +@kindex --link-mapless
> +@item --link-mapless
> +Accept archives that lack an index aka symbol map for all the subsequent
> +archives referred on the command line.  If missing, such an index is made
> +internally on the fly at performance cost.  This is the default.

Why does this appear so late in the table, among the options ...

>  @kindex --wrap=@var{symbol}
>  @item --wrap=@var{symbol}
>  Use a wrapper function for @var{symbol}.  Any undefined reference to

... starting with 'w' (and their negative forms)? Then again sorting looks to
have been broken badly enough that I can't even suggest a good alternative
place. Hence my request is only to keep positive and negative options together.

Jan
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