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This adds the necessary `sudo apt update` to the build instructions after adding the GCC 11 respository.
98 lines
3.2 KiB
Markdown
98 lines
3.2 KiB
Markdown
# SerenityOS build instructions
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## Prerequisites
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Make sure you have all the dependencies installed:
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### Debian / Ubuntu
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```console
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sudo apt install build-essential cmake curl libmpfr-dev libmpc-dev libgmp-dev e2fsprogs ninja-build qemu-system-gui qemu-system-x86 qemu-utils ccache rsync unzip texinfo
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```
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#### GCC 11
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On Ubuntu gcc-11 is available in the repositories of 21.04 (Hirsuite) and later - add the `ubuntu-toolchain-r/test` PPA if you're running an older version:
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```console
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sudo add-apt-repository ppa:ubuntu-toolchain-r/test
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```
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Next, update your local package information from this repository:
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```console
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sudo apt update
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```
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Now on Ubuntu or Debian you can install gcc-11 with apt like this:
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```console
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sudo apt install gcc-11 g++-11
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```
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#### QEMU 5 or later
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QEMU version 5 is available in Ubuntu 20.10, but it is recommended to build Qemu as provided by the toolchain by running `Toolchain/BuildQemu.sh`.
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Note that you might need additional dev packages:
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```console
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sudo apt install libgtk-3-dev libpixman-1-dev libsdl2-dev libspice-server-dev
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```
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### Windows
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If you're on Windows you can use WSL2 to build SerenityOS. Please have a look at the [Windows guide](BuildInstructionsWindows.md)
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for details.
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### Arch Linux / Manjaro
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```console
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sudo pacman -S --needed base-devel cmake curl mpfr libmpc gmp e2fsprogs ninja qemu qemu-arch-extra ccache rsync unzip
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```
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### Other systems
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There is also documentation for installing the build prerequisites for some less commonly used systems:
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* [Other Linux distributions and \*NIX systems](BuildInstructionsOther.md)
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* [macOS](BuildInstructionsMacOS.md)
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## Build
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In order to build SerenityOS you will first need to build the toolchain by running the following command:
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```console
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Meta/serenity.sh rebuild-toolchain
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```
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Later on, when you use `git pull` to get the latest changes, there's (usually) no need to rebuild the toolchain.
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Run the following command to build and run SerenityOS:
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```console
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Meta/serenity.sh run
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```
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This will compile all of SerenityOS and install the built files into the `Build/i686/Root` directory inside your Git
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repository. It will also build a disk image and start SerenityOS using QEMU.
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Note that the `anon` user is able to become `root` without a password by default, as a development convenience.
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To prevent this, remove `anon` from the `wheel` group and he will no longer be able to run `/bin/su`.
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By default the `anon` user account's password is: `foo`
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If you want to test whether your code changes compile without running the VM you can use
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`Meta/serenity.sh build`. The `serenity.sh` script also provides a number of other commands. Run the script without
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arguments for a list.
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## Ports
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To add a package from the ports collection to Serenity, for example curl, change into the `Ports/curl` directory and
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run `./package.sh`. The source code for the package will be downloaded and the package will be built. The next time you
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start Serenity, `curl` will be available.
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## More information
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At this point you should have a fully functioning VM for SerenityOS. The [advanced build instructions guide](AdvancedBuildInstructions.md)
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has more information for some less commonly used features of the build system.
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