---

在 macOS 上使用 https://github.com/kewlbear/FFmpeg-iOS-build-script 脚本，运行 ./build-ffmpeg.sh 运行报错。
遇到问题，搜索结果不太准，看 issues 比较有用：
https://github.com/kewlbear/FFmpeg-iOS-build-script/issues

---

iphoneos_clang_is_unable_to_create_an_executable_file_6">报错1：xcrun -sdk iphoneos clang is unable to create an executable file

building arm64...
xcrun -sdk iphoneos clang is unable to create an executable file.
C compiler test failed.If you think configure made a mistake, make sure you are using the latest
version from Git.  If the latest version fails, report the problem to the
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
Include the log file "ffbuild/config.log" produced by configure as this will help
solve the problem.

检查了 GCC、make 都是正确安装的

FFMpeg 也替换过新老版本：https://ffmpeg.org//releases/

搜索答案雷同，直到看到这个 issue，解决了我的问题
https://github.com/kewlbear/FFmpeg-iOS-build-script/issues/119

---

运行命令：

sudo xcode-select --switch /Applications/Xcode.app

前提是你在 /Applications/Xcode.app 安装了 Xcode

---

查看 xcode-select 所指

 % xcode-select -p
/Applications/Xcode.app/Contents/Developer

xcode-select 更详细的说明可参考：https://blog.csdn.net/lovechris00/article/details/114602610

---

报错 2 ： error: unknown type name ‘AudioDeviceID’;

error: unknown type name ‘AudioDeviceID’;

参考：https://github.com/kewlbear/FFmpeg-iOS-build-script/issues/158

在脚本的 CONFIGURE_FLAGS 添加 --disable-audiotoolbox，变为：

...
CONFIGURE_FLAGS="--enable-cross-compile --disable-debug --disable-programs \--disable-doc --enable-pic --disable-audiotoolbox  "            
...

---

伊织 2024-04-27（六）