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Documentation: Suggest gcc-9 on Ubuntu since PPA doesn't have 8 anymore

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Elisée Maurer 2020-01-04 23:38:15 +01:00 • committed by Andreas Kling
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Documentation/BuildInstructions.md
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@ -10,8 +10,8 @@ sudo apt install build-essential curl libmpfr-dev libmpc-dev libgmp-dev e2fsprog
Ensure your gcc version is >= 8 with `gcc --version`. Otherwise, install it (on Ubuntu) with: Ensure your gcc version is >= 8 with `gcc --version`. Otherwise, install it (on Ubuntu) with:
```bash ```bash
sudo add-apt-repository ppa:ubuntu-toolchain-r/test sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get install gcc-8 g++-8 sudo apt-get install gcc-9 g++-9
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 800 --slave /usr/bin/g++ g++ /usr/bin/g++-8 sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 900 --slave /usr/bin/g++ g++ /usr/bin/g++-9
``` ```
### macOS prerequisites ### macOS prerequisites