Bug#783103: perl: use pgo and lto in the build

[Niko Tyni]

Package: perl
Version: 5.20.2-3
Severity: wishlist
X-Debbugs-Cc: Matthias Klose <doko at debian.org>

Matthias Klose wrote in
 <https://lists.debian.org/debian-devel/2015/04/msg00343.html>:

>  - please experiment to build the perl binary using pgo and lto. Usually
>    one of these gives you an additional 10% performance improvement, at
>    least seen for python. pgo should be pretty safe, lto depends on the
>    architecture and compiler version, so expect to do some work yourself ...

so filing this bug to track this.
-- 
Niko Tyni   ntyni at debian.org