英文:
fatal error: 'libavcodec/avcodec.h' file not found caused by zergon321/reisen
问题
在运行导入"github.com/zergon321/reisen"的Go代码时（重要的是，因为在Linux上安装相关库的方式不同），我遇到了这个问题：
# github.com/zergon321/reisen
/Users/ido/go/pkg/mod/github.com/zergon321/reisen@v0.1.4/audio.go:4:11: fatal error: 'libavcodec/avcodec.h' file not found
#include <libavcodec/avcodec.h>
^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
我已经使用brew安装了ffmpeg（包括libavcodec/avcodec.h头文件），但它没有被自动识别。
英文:
When running Go code on Mac M2 (important, because installation of related libs work differently on Linux) that imports "github.com/zergon321/reisen" I got this:
# github.com/zergon321/reisen
/Users/ido/go/pkg/mod/github.com/zergon321/reisen@v0.1.4/audio.go:4:11: fatal error: 'libavcodec/avcodec.h' file not found
#include <libavcodec/avcodec.h>
^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
I have ffmpeg (includes the libavcodec/avcodec.h header) installed using brew
brew install ffmpeg
but it doesn't get picked up by itself.
答案1
得分: 2
这是修复的方法：
- 如果你确实使用brew安装了
ffmpeg，头文件应该在这里：/opt/homebrew/Cellar/ffmpeg/5.1.2/include/libavcodec/avcodec.h（库的版本可能不同）。
如果由于某种原因它不在那里，你可以尝试使用find / -name "avcodec.h"来定位头文件。 - 一旦你确定了
avcodec.h的位置，记下/include目录的完整路径，并在运行你的go代码时传递以下标志：
CGO_CPPFLAGS="-I<path/to/include/directory>" go run <your file name or a period>
对我来说，完整的命令看起来像这样：
CGO_CPPFLAGS="-I/opt/homebrew/Cellar/ffmpeg/5.1.2/include" go run .
英文:
This worked to fix it:
- If you indeed installed
ffmpegwith brew, the header file should be there ->/opt/homebrew/Cellar/ffmpeg/5.1.2/include/libavcodec/avcodec.h(lib version could be different).
If it is not there for some reason, you can try to locate the header file usingfind / -name "avcodec.h" - Once you have established
avcodec.h's location, note the full path to the/includedirectory and run your go code passing the following flag:
CGO_CPPFLAGS="-I<path/to/include/directory>" go run <your file name or a period>
The full command for me looked like this:
CGO_CPPFLAGS="-I/opt/homebrew/Cellar/ffmpeg/5.1.2/include" go run .
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