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- To configure Libav for iOS:
- ./configure --enable-cross-compile --arch=arm --target-os=darwin --cc='clang -arch armv7' --sysroot=$(xcrun --sdk iphoneos --show-sdk-path) --cpu=cortex-a8 --enable-pic
- If deploying to all generations, it's recommended to do separate out-of-tree
- builds for each architecture, then lipo together the resulting libs. For
- instance, assuming separate builds in armv6 and armv7:
- lipo -create -arch armv6 armv6/libavcodec/libavcodec.a -arch armv7 armv7/libavcodec/libavcodec.a -output universal/libavcodec.a
- and similar for each library. Then in XCode, make sure to build for both armv6
- and armv7. If you only care about one generation (since the armv6 devices are
- too slow for instance), then lipo is unnecessary of course.
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