[Buildroot] [PATCH 1/1] package/ffmpeg: Fix uClibc build for mips

Arnout Vandecappelle arnout at mind.be
Thu May 20 18:28:04 UTC 2021



On 11/04/2021 19:55, Bernd Kuhls wrote:
> Fixes:
> http://autobuild.buildroot.net/results/079/079df777211933b92ac5a67fc175839c8188850f/
> 
> Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
> ---
>  ...-libavutil-Fix-uClibc-build-for-mips.patch | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 package/ffmpeg/0003-libavutil-Fix-uClibc-build-for-mips.patch
> 
> diff --git a/package/ffmpeg/0003-libavutil-Fix-uClibc-build-for-mips.patch b/package/ffmpeg/0003-libavutil-Fix-uClibc-build-for-mips.patch
> new file mode 100644
> index 0000000000..36fa2b237a
> --- /dev/null
> +++ b/package/ffmpeg/0003-libavutil-Fix-uClibc-build-for-mips.patch
> @@ -0,0 +1,64 @@
> +From 0c052065df6c8be04a35d26566d2d927c680ec60 Mon Sep 17 00:00:00 2001
> +From: Bernd Kuhls <bernd.kuhls at t-online.de>
> +Date: Sun, 11 Apr 2021 19:43:35 +0200
> +Subject: [PATCH] libavutil: Fix uClibc build for mips
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +uClibc does not provide sys/auxv.h:
> +
> +libavutil/mips/cpu.c:26:10: fatal error: sys/auxv.h: No such file or directory
> +
> +and not getauxval:
> +
> +libavutil/mips/cpu.c: In function ‘cpucfg_available’:
> +libavutil/mips/cpu.c:37:12: error: implicit declaration of function ‘getauxval’ [-Werror=implicit-function-declaration]
> +     return getauxval(AT_HWCAP) & HWCAP_LOONGSON_CPUCFG;
> +            ^~~~~~~~~
> +libavutil/mips/cpu.c:37:22: error: ‘AT_HWCAP’ undeclared (first use in this function)
> +     return getauxval(AT_HWCAP) & HWCAP_LOONGSON_CPUCFG;
> +
> +Patch sent upstream:
> +http://ffmpeg.org/pipermail/ffmpeg-devel/2021-April/278968.html

 Upstream feedback was that it should be a check in configure instead. Are you
working on that?

 Regards,
 Arnout

> +
> +Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>
> +---
> + libavutil/mips/cpu.c | 7 ++++---
> + 1 file changed, 4 insertions(+), 3 deletions(-)
> +
> +diff --git a/libavutil/mips/cpu.c b/libavutil/mips/cpu.c
> +index 59619d54de..c5da77b22b 100644
> +--- a/libavutil/mips/cpu.c
> ++++ b/libavutil/mips/cpu.c
> +@@ -19,7 +19,8 @@
> + #include "libavutil/cpu.h"
> + #include "libavutil/cpu_internal.h"
> + #include "config.h"
> +-#if defined __linux__ || defined __ANDROID__
> ++#include <features.h>
> ++#if (defined __linux__ || defined __ANDROID__) && !defined(__UCLIBC__)
> + #include <stdint.h>
> + #include <stdio.h>
> + #include <string.h>
> +@@ -28,7 +29,7 @@
> + #include "libavutil/avstring.h"
> + #endif
> + 
> +-#if defined __linux__ || defined __ANDROID__
> ++#if (defined __linux__ || defined __ANDROID__) && !defined(__UCLIBC__)
> + 
> + #define HWCAP_LOONGSON_CPUCFG (1 << 14)
> + 
> +@@ -105,7 +106,7 @@ static int cpu_flags_cpuinfo(void)
> + 
> + int ff_get_cpu_flags_mips(void)
> + {
> +-#if defined __linux__ || defined __ANDROID__
> ++#if (defined __linux__ || defined __ANDROID__) && !defined(__UCLIBC__)
> +     if (cpucfg_available())
> +         return cpu_flags_cpucfg();
> +     else
> +-- 
> +2.29.2
> +
> 


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