Flurry of GMP check failures

[Niels Möller]

tg at gmplib.org (Torbjörn Granlund) writes:

> 2. Something is broken wrt Debian sid from the past few weeks.
>    It seems they want static lib code to be PIC.

Or rather, PIC code for all executables, to enable randomization of the
mapping of the text segment into the process address space. I think the
rationale is documented here: https://wiki.debian.org/Hardening.

Changes to default gcc seem to be described at 
https://wiki.debian.org/Hardening/PIEByDefaultTransition

It's not entirely clear if and how it's intended to affect builds which
don't involve debian-specific tools, maybe something is broken.

/Niels

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