On 3/10/15, Frank Peters <frank.pet...@comcast.net> wrote:
> Ffmpeg-2.6 fails to emerge with the following error:
>
> The following REQUIRED_USE flag constraints are unsatisfied:
>     cpu_flags_x86_sse? ( cpu_flags_x86_mmxext )
>
>
> I can fix this by including "mmxext" in the CPU_FLAGS_X86
> variable of make.conf.
>
> But my processor is a Core i7 and has no mmxext as seen
> in /proc/cpuinfo:
>
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov
>  pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp
> lm
>  constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc
>  aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm
>  sse4_1 sse4_2 popcnt lahf_lm dtherm tpr_shadow vnmi flexpriority ept vpid
>
>
> What is going on?  Is the ebuild file wrong?
>
> Looking at the ffmpeg ebuild directory, I see that only the
> ffmpeg-2.6.ebuild
> uses the X86_CPU_REQUIRED_USE variable.  Maybe the maintainer got it wrong.
>
> Frank Peters
>
>
>
Did you use that new script for setting the flags? I installed an
update of ffmpeg today on my i7 980X with no issues. Not sure if it's
the same version as I am replying from my Kindle.

Mark

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