[C++][Packaging] Package gdb plugin

[asfimport]

The gdb plugin should be packaged appropriately. I'm not sure where/under which form.

For example, on Ubuntu, GDB auto-load scripts are under /usr/share/gdb/auto-load/....
So, if a Arrow package installs /usr/lib/x86_64-linux-gnu/libarrow.so.700.0.0, the gdb_arrow.py script could be installed as /usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libarrow.so.700.0.0-gdb.py.

(take the realpath of the installed DLL, prefix it with the GDB scripts-directory such as /usr/share/gdb/auto-load/, and append -gdb.py at the end of the filename)

Reporter: Antoine Pitrou / @pitrou
Assignee: Kouhei Sutou / @kou

Related issues:

• [C++][Dev] Make GDB plugin auto-load friendly (depends upon)

PRs and other links:

• GitHub Pull Request #13477

_{Note: This issue was originally created as ARROW-15422. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
cc @kou

[asfimport]

Kouhei Sutou / @kou:
Note: We can implement /usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libarrow.so.700.0.0-gdb.py by import like GLib's -gdb.py does:

import sys
import gdb

dir_ = '/usr/share/arrow/gdb'
if not dir_ in sys.path:
    sys.path.insert(0, dir_)

import gdb_arrow

[asfimport]

Antoine Pitrou / @pitrou:
Indeed, that is also possible.

[asfimport]

Antoine Pitrou / @pitrou:
Also cc @xhochy . I don't know if conda-forge usually packages gdb extensions?

[asfimport]

Antoine Pitrou / @pitrou:
@kou @raulcd One of you may want to tackle this? :-)

[asfimport]

Kouhei Sutou / @kou:
I'll add this to .deb/.rpm packages.

[asfimport]

Kouhei Sutou / @kou:
Issue resolved by pull request 13477
#13477