iphone - 在IOS6.1中构建FFMpeg错误无法创建可执行文件

Question

当我尝试像这样运行 ./configure 时，我正在尝试在 iOS6.1 (armv7) 上构建 ffmpeg:

./configure --disable-doc --disable-ffmpeg --disable-ffplay
--disable-ffserver    --enable-cross-compile --arch=arm --target-os=darwin    --cc=/applications/xcode.app/contents/Developer/usr/bin/gcc    --as='gas-preprocessor/gas-preprocessor.pl /applications/xcode.app/contents/Developer/usr/bin/gcc'   
--sysroot=/applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk
--cpu=cortex-a8 --extra-cflags='-arch armv7'    --extra-ldflags='-arch armv7 -isysroot /applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk'
--enable-pic

我收到以下错误:

/applications/xcode.app/contents/Developer/usr/bin/gcc is unable to create an executable file. C compiler test failed.

有人可以在 iOS6.1 中提供正确的参数吗？

更新命令:

./configure --disable-doc --disable-ffmpeg --disable-ffplay --disable-ffserver --enable-cross-compile --arch=arm --target-os=darwin --cc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/llvm-gcc-4.2/bin/arm-apple-darwin10-llvm-gcc-4.2 --as='gas-preprocessor/gas-preprocessor.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/llvm-gcc-4.2/bin/arm-apple-darwin10-llvm-gcc-4.2' --sysroot=/applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk --cpu=cortex-a8 --extra-cflags='-arch armv7' --extra-ldflags='-arch armv7 -isysroot /applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk' --enable-pic

更新命令错误:

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/llvm-gcc-4.2/bin/arm-apple-darwin10-llvm-gcc-4.2 is unable to create an executable file. C compiler test failed.

如果您认为配置出错，请确保您使用的是最新的
来自 Git 的版本。如果最新版本失败，请将问题报告给
ffmpeg-user@ffmpeg.org 邮件列表或 irc.freenode.net 上的 IRC#ffmpeg。
包括由 configure 生成的日志文件“config.log”，因为这将有所帮助
解决问题。

Answer 1

您正在使用...

--cc=/applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc

这对armv7是错误的，你应该这样做......

--cc=/applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin10-gcc-4.2.1

将以上内容更改为 arm-apple-darwin10-gcc-x.x.x你有那个版本bin文件夹。

同样，将气体预处理器的目标编译器更改为相同。

--as='gas-preprocessor/gas-preprocessor.pl /applications/xcode.app/contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin10-gcc-4.2.1'

此外，不要放置 -arch armv7在您的 --extra-cflags ，你不需要它，你可能会得到一个错误:unrecognized command line option "-arch"