[RFC] PR 53063 encode group options in .opt files

[Joseph S. Myers]

On Sat, 12 May 2012, Manuel López-Ibáñez wrote:

> Well, I was trying to avoid "merging" flags. Are there any examples of
> other such flags that are merged? The thing is that the "merge" done
> right now is really just concatenating existing flags. It doesn't work
> to set Init(1) and Init(0) in two different .opt files, so it wouldn't
> work to set LangEnabledBy in different files for the same option.

I don't know examples of merging beyond concatenation.

> One option is to parse LangEnabledBy before merging (which actually
> happens in optc-gen.awk), which seems ugly, but probably is the most
> straightforward solution. Would that be ok?

It seems reasonable to me.

-- 
Joseph S. Myers
joseph@codesourcery.com