环境：Xcode 10.2，iOS11
1、执行./compile-ffmpeg.sh all时遇到
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 latestversion from Git.Ifthe latest version fails, report the problem to theffmpeg-user@ffmpeg.org mailinglistorIRC#ffmpeg on irc.freenode.net.Includethe log file"config.log"produced by configureasthis will helpsolve the problem.
解决办法：
执行以下命令
sudo xcode-select --switch /Applications/Xcode.app
之后再次执行
cd ios
./compile-ffmpeg.sh clean
./compile-ffmpeg.sh all
2、再次执行./compile-ffmpeg.sh all时遇到
./libavutil/arm/asm.S:50:9: error: unknown directive
.arch armv7-a
^
make: *** [libavcodec/arm/aacpsdsp_neon.o] Error 1
make: *** Waiting for unfinished jobs....
解决办法：
ios/complile-ffmpeg.sh 25行添加
FF_ALL_ARCHS_IOS10_SDK="arm64 i386 x86_64"
修改
FF_ALL_ARCHS=$FF_ALL_ARCHS_IOS10_SDK
Xcode 10 测试没问题
3、集成ijkplayer时运行报错
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
operator delete", referenced from:
operator new [] (unsigned long) , referenced from:
解决办法：
在General-->Linked Frameworks and Libraries添加一个库
libc++.tdb
参考链接：
1、iOS集成FFmpeg及视频格式转码
2、armv7 编译问题处理咨询
3、关于集成ijkplayer的framework中的那些坑
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