[PATCH] allow language-support/gcc interface files in lang subdir

[Olivier Hainque]

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  http://gcc.gnu.org/ml/gcc-patches/2007-11/msg01000.html

Olivier Hainque wrote:
> This is followup on the short thread about "structuring a front-end
> subdirectory" at http://gcc.gnu.org/ml/gcc/2007-11/msg00274.html.
...
>   1) Add a new "gcc_subdir" variable in config-lang.in. When set,
>      configure looks for a complete config-lang.in, makefile fragments,
>      ... in $(srcdir)/<lang_name>/<gcc_subdir>.
...
>   2) adjust gengtype not to reflect the extra subdir in the names of
>      the files it generates.

> While we are specifically interested in this for Ada to help our
> maintainership activities, these are common bits which could benefit
> other languages.

We would of course be happy to work on improving these bits if deemed
necessary.

Thanks much in advance,

Olivier