[FFmpeg-user] ffmpeg 1.0.5 and buffer underflow - Update
h.reindl at thelounge.net
Sat May 4 15:27:55 CEST 2013
Am 04.05.2013 15:23, schrieb Carl Eugen Hoyos:
> Reindl Harald <h.reindl <at> thelounge.net> writes:
>>>> --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
>>>> -fexceptions -fstack-protector --param=ssp-buffer-size=4
>>>> -m64 -mtune=generic'
>> have you ever considered to google them?
>> "-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4"
>> are default for ANY package of most linux-distributions
>> since years for security reasons
> Do you know of any problems these parameters fix?
they are intented to give a safety net for UNKNOWN problems
>> and for a hardening build you enable
>> "-fPIC -fPIE -fstack-protector-all" too as also
>> "-Wl,-z,now -Wl,-z,relro" as LDFLAGS
> None of these are used above, so I wonder how this
> is related?
they belong together in case of a hardened build
> And please note that of the options you did not comment on,
> some are useless, some harmful, so the argument "people
> know what they do" (in case this is your argument)
> seems insupportable
maybe you should comment the one of one and not quote
the whole option line and say it is useless?
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