Re: [RFC] Apply compilation dir to source_path lookup

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sat, 14 Sep 2019 11:28:47 -0400
> From: Andrew Burgess <andrew.burgess@embecosm.com>
> Cc: mgulick@mathworks.com, gdb-patches@sourceware.org
> 
> If we have:
> 
>    DW_AT_name:  	c:/project/foo.c
>    DW_AT_comp_dir:	d:/project/build/
> 
> And if the directory search path is:
> 
>    g:/mnt/project;$cdir;$cwd
> 
> And the current directory is:
> 
>    h:/home/
> 
> Then this is what I think the search order will be:
> 
>    c:/project/foo.c
>    g:/mnt/project/project/foo.c
>    d:/project/build/project/foo.c
>    h:/home/project/foo.c
> 
>    d:/project/build/project/foo.c
>    g:/mnt/project/project/build/project/foo.c
>    d:/project/build/project/build/project/foo.c
>    h:/home/project/build/project/foo.c
> 
>    g:/mnt/project/foo.c
>    d:/project/build/foo.c
>    h:/home/foo.c
> 
> The first and third block is what we currently (pre-patch) do, and the
> second block is what I think the patch should provide after Mike's
> last suggested update.

SGTM, thanks.