[FFmpeg-devel] [PATCH]configure: Enable pie for toolchain=hardened.

[Andreas Cadhalpun]

On 14.10.2016 15:02, Carl Eugen Hoyos wrote:
> 2016-10-04 12:24 GMT+02:00 Carl Eugen Hoyos <cehoyos at ag.or.at>:
> 
>> Sorry if I miss something but with this patch, the hardening_check
>> script succeeds here both for x86_32 and x86_64 (static and shared).
> 
> Tested successfully on x86_64 and x86_32 Linux (pie actually works
> on my very old system). On Debian hppa, the patch makes no
> difference, I cannot test m68k.

I guess gcc nowadays just ignores the flag if it wouldn't work.

> Since my gcc manual states that -fPIE is needed for -pie, I decided
> to use that.

In practice it shouldn't make a difference, because -fPIC is added
to CFLAGS after -fPIE anyway, which I think overrides it.

Best regards,
Andreas