集成其他编解码器时编译失败

系统：WSL (ubuntu 16.04)

今天尝试编译，集成其他常见的编解码器，但是遇到了很多问题。 我所有的编解码器都使用了静态编译，包括xavs2和davs2都选择了静态编译。

但是在编译 ffmpeg 时总是编译失败

完整 log：https://gitee.com/ospanda/codes/9l6vcxadjr3tfugp21e4q99

```
/mnt/d/opt/ffmpeg-build-script/workspace/lib/libdavs2.a(intrinsic_inter_pred_avx2.o):intrinsic_inter_pred_avx2.cc:(.text+0x2a50): first defined here
collect2: error: ld returned 1 exit status
Makefile:107: recipe for target 'ffprobe_g' failed
make: *** [ffprobe_g] Error 1

```

```
/mnt/d/opt/ffmpeg-build-script/workspace/lib/libdavs2.a(intrinsic_inter_pred_avx2.o):intrinsic_inter_pred_avx2.cc:(.text+0x29f0): first defined here
/mnt/d/opt/ffmpeg-build-script/workspace/lib/libxavs2.a(intrinsic_inter_pred_avx2.o): In function `intpl_chroma_block_ext_avx2':
intrinsic_inter_pred_avx2.c:(.text+0x2a40): multiple definition of `intpl_chroma_block_ext_avx2'
/mnt/d/opt/ffmpeg-build-script/workspace/lib/libdavs2.a(intrinsic_inter_pred_avx2.o):intrinsic_inter_pred_avx2.cc:(.text+0x2a50): first defined here
collect2: error: ld returned 1 exit status
Makefile:107: recipe for target 'ffmpeg_g' failed
make: *** [ffmpeg_g] Error 1

```

为了方便一些，我使用了脚本来编译。

脚本基于 https://github.com/markus-perl/ffmpeg-build-script ，做了一些修改（添加xavs2/davs2以及ffmpegavs2）

修改后的脚本如下：
https://gitee.com/ospanda/codes/1w5tjgsr2flzeqoiu40a616

pkuvcl/FFmpegAVS2

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pkuvcl/FFmpegAVS2 .gitee-modal { width: 500px !important; }

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