Re: [PATCH] gdb/configure.ac: Add option --with-additional-debug-dirs

[Thiago Jung Bauermann <thiago.bauermann@linaro.org>]

Thiago Jung Bauermann <thiago.bauermann@linaro.org> writes:

> If you want to install GDB in a custom prefix, have it look for debug info
> in that prefix but also in the distro's default location (typically,
> /usr/lib/debug) and run the GDB testsuite before doing "make install", you
> have a bit of a problem:
>
> Configuring GDB with '--prefix=$PREFIX' sets the GDB 'debug-file-directory'
> parameter to $PREFIX/lib/debug.  Unfortunately this precludes GDB from
> looking for distro-installed debug info in /usr/lib/debug.  For regular GDB
> use you could set debug-file-directory to $PREFIX:/usr/lib/debug in
> $PREFIX/etc/gdbinit so that GDB will look in both places, but if you want
> to run the testsuite then that doesn't help because in that case GDB runs
> with the '-nx' option.
>
> There's the configure option '--with-separate-debug-dir' to set the default
> value for 'debug-file-directory', but it accepts only one directory and not
> a list.  I considered modifying it to accept a list, but it's not obvious
> how to do that because its value is also used by BFD, as well as processed
> for "relocatability".
>
> I thought it was simpler to add a new option to specify a list of
> additional directories that will be appended to the debug-file-directory
> setting.
> ---
>  gdb/config.in    |  3 +++
>  gdb/configure    | 19 +++++++++++++++++--
>  gdb/configure.ac |  6 ++++++
>  gdb/main.c       |  5 +++++
>  gdb/top.c        |  6 ++++++
>  5 files changed, 37 insertions(+), 2 deletions(-)

Ping.

-- 
Thiago