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  1. POBig problems while compiling FFMPEG for iOS5
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    <p>I'm trying to compile the ffmpeg library for iOS5. I tried different options but none works.</p> <p>I downloaded this: <a href="https://github.com/ciphor/ffmpeg4ios" rel="nofollow">https://github.com/ciphor/ffmpeg4ios</a> .</p> <p>I tried the original build_armv7 but it didn't work. I edited the build_arm7 file and now it looks like this:</p> <pre><code>#!/bin/tcsh -f if (! -d armv7) mkdir armv7 if (! -d lib) mkdir lib rm armv7/*.a make clean ./configure --disable-network --disable-mpegaudio-hp --disable-lpc --disable-vaapi --disable-vdpau --disable-hwaccels --disable-mmx --disable-mmx2 --disable-sse --disable-ssse3 --disable-avx --disable-amd3dnow --disable-amd3dnowext --disable-vis --disable-mmi --disable-doc --disable-yasm --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-rdft --disable-dxva2 --disable-encoders --disable-decoders --enable-decoder=h264 --disable-bsfs --disable-protocols --disable-indevs --disable-outdevs --disable-devices --disable-filters --disable-demuxers --enable-demuxer=h264 --disable-muxers --disable-parsers --enable-parser=h264 --enable-cross-compile --arch=arm --target-os=darwin --cc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2 --as='gas-preprocessor/gas-preprocessor.pl /Aplications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2' --sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk --cpu=cortex-a8 --extra-cflags='-pipe -Os -gdwarf-2 -issysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk -m${thumb_opt:-no-thumb} -mthumb-interwork' --extra-ldflags='-arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk' --enable-pic make mv libavcodec/libavcodec.a armv7/ mv libavdevice/libavdevice.a armv7/ mv libavformat/libavformat.a armv7/ mv libavutil/libavutil.a armv7/ mv libswscale/libswscale.a armv7/ rm lib/*.a cp armv7/*.a lib/ </code></pre> <p>But i get this error:</p> <blockquote> <p>/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2 is unable to create an executable file. C compiler test failed.</p> </blockquote> <p>I looked all over the Internet. I have read all the posts on stackoverflow about this but none helped me. Please tell me what i'm doing wrong and please don't post me links: trust me, i saw them all!</p>
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