symlink to liblto_plugin.so

[Vincent Lefevre <vincent@vinc17.net>]

Hi Debian GCC Maintainers,

Shouldn't there be a symlink to liblto_plugin.so in
/usr/lib/bfd-plugins?

When one builds some software (in particular, libraries) with LTO
(-flto), then the end user should expect that the LTO plugin be
used automatically, without needing to specify AR, NM and RANLIB
environment variables for the "configure" script. The recommended
way[*] is to add a symlink to the plugin in /usr/lib/bfd-plugins,
but this is not something the end user can do, and only packages
should manage files under /usr/lib.

[*] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78795#c7

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Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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