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27 lines
869 B
Bash
27 lines
869 B
Bash
#!/bin/bash
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# Exit script on error
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set -e
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# Specify the GCC version you want to install (e.g., 9, 10, 11)
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GCC_VERSION=11
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# Add the PPA for newer GCC versions
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sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
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sudo apt-get update
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# Install the specified GCC version and its g++ counterpart
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sudo apt-get install -y gcc-$GCC_VERSION g++-$GCC_VERSION
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# Update the alternatives to set the specified GCC version as the default
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sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$GCC_VERSION 100
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sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-$GCC_VERSION 100
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sudo update-alternatives --install /usr/bin/cc cc /usr/bin/gcc 100
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sudo update-alternatives --install /usr/bin/cpp cpp /usr/bin/cpp-$GCC_VERSION 100
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# Confirm installation
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gcc --version
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g++ --version
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echo "GCC $GCC_VERSION installation is complete and set as the default."
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