From 82fce926f4fa685cc5f2512504fcb4c12c15b554 Mon Sep 17 00:00:00 2001 From: Mark H Weaver Date: Mon, 4 Aug 2014 16:11:38 -0400 Subject: [PATCH] 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. --- gnu/packages/video.scm | 34 +++++----------------------------- 1 file changed, 5 insertions(+), 29 deletions(-) diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm index 2516377a8e..4e22542afd 100644 --- a/gnu/packages/video.scm +++ b/gnu/packages/video.scm @@ -170,31 +170,11 @@ (define-public ffmpeg "--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 @@ (define-public vlc (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