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gnu: ffmpeg and vlc: Rely on runtime cpu detection. 

* gnu/packages/video.scm (ffmpeg): Pass "--enable-runtime-cpudetect"
  to configure.  Do not disable use of processor features that can be
  detected at runtime.
  (vlc): Rely on runtime cpu detection.  Do not disable use of
  processor features that can be detected at runtime.
This commit is contained in:
Mark H Weaver 2014-08-04 16:11:38 -04:00
parent fe138965af
commit 82fce926f4
1 changed files with 5 additions and 29 deletions
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34
gnu/packages/video.scm
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@ -170,31 +170,11 @@
"--enable-libtheora"
"--enable-libvorbis"
"--enable-libvpx"
;; drop special machine instructions not supported
;; on all instances of the target
,@(if (string-prefix? "x86_64"
(or (%current-target-system)
(%current-system)))
'()
'("--disable-amd3dnow"
"--disable-amd3dnowext"
"--disable-mmx"
"--disable-mmxext"
"--disable-sse"
"--disable-sse2"))
"--disable-altivec"
"--disable-sse3"
"--disable-ssse3"
"--disable-sse4"
"--disable-sse42"
"--disable-avx"
"--disable-fma4"
"--disable-avx2"
"--disable-armv5te"
"--disable-armv6"
"--disable-armv6t2"
"--disable-vfp"
"--disable-neon"
"--enable-runtime-cpudetect"
;; Runtime cpu detection is not implemented on
;; MIPS, so we disable some features.
"--disable-mips32r2"
"--disable-mipsdspr1"
"--disable-mipsdspr2"
@ -270,10 +250,6 @@ audio/video codec library.")
(arguments
`(#:configure-flags
`("--disable-a52" ; FIXME: reenable once available
"--disable-mmx" ; FIXME: may be enabled on x86_64
"--disable-sse" ; 1-4, no separate options available
"--disable-neon"
"--disable-altivec"
,(string-append "LDFLAGS=-Wl,-rpath -Wl,"
(assoc-ref %build-inputs "ffmpeg")
"/lib")))) ; needed for the tests