Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 760318 - media-video/ffmpeg-4.3.1 incorrect X86_CPU_REQUIRED_USE
Summary: media-video/ffmpeg-4.3.1 incorrect X86_CPU_REQUIRED_USE
Status: RESOLVED INVALID
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Media-video project
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-12-16 15:09 UTC by Adrien Dessemond
Modified: 2020-12-17 18:54 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
X86_CPU_REQUIRED_USE fix (x86flags-fixed.patch,2.18 KB, patch)
2020-12-16 15:09 UTC, Adrien Dessemond 		Details | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Adrien Dessemond 2020-12-16 15:09:39 UTC 
Created attachment 678493 [details, diff]
X86_CPU_REQUIRED_USE fix

X86_CPU_REQUIRED_USE is obviously not correct.

       cpu_flags_x86_avx2? ( cpu_flags_x86_avx )
       cpu_flags_x86_fma4? ( cpu_flags_x86_avx )
       cpu_flags_x86_fma3? ( cpu_flags_x86_avx )
       cpu_flags_x86_xop?  ( cpu_flags_x86_avx )
       cpu_flags_x86_avx?  ( cpu_flags_x86_sse4_2 )
       cpu_flags_x86_aes? ( cpu_flags_x86_sse4_2 )
       cpu_flags_x86_sse4_2?  ( cpu_flags_x86_sse4_1 )
       cpu_flags_x86_sse4_1?  ( cpu_flags_x86_ssse3 )
       cpu_flags_x86_ssse3?  ( cpu_flags_x86_sse3 )
       cpu_flags_x86_sse3?  ( cpu_flags_x86_sse2 )
       cpu_flags_x86_sse2?  ( cpu_flags_x86_sse )
       cpu_flags_x86_sse?  ( cpu_flags_x86_mmxext )
       cpu_flags_x86_mmxext?  ( cpu_flags_x86_mmx )
       cpu_flags_x86_3dnowext?  ( cpu_flags_x86_3dnow )
       cpu_flags_x86_3dnow?  ( cpu_flags_x86_mmx )


Correction proposal attached as a patch.
Comment 1 Ionen Wolkens gentoo-dev 2020-12-16 16:56:58 UTC 
>-	cpu_flags_x86_avx2? ( cpu_flags_x86_avx )
>+	cpu_flags_x86_avx2? ( cpu_flags_x86_avx2 )
You want to make USE require themselves?

The former map is saying that if you enable avx2, then you "also" need avx.