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update odroid documentation, upgrade to gcc 4.7 on ubuntu 12.04
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@@ -10,6 +10,15 @@ gcc : 4.6.3-1ubuntu5
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Prerequisites
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=============
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Ubuntu 12.04 comes with gcc 4.6, please update your gcc to version 4.7:
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$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
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$ sudo apt-get update
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$ sudo apt-get install gcc-4.7 g++-4.7
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$ sudo update-alternatives --remove gcc /usr/bin/gcc-4.6
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$ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.7
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$ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.6 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.6
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$ sudo update-alternatives --config gcc
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Remove libav:
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$ apt-get remove libavcodec53 libavformat53
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$ apt-get remove libswscale2
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