61 lines
1.8 KiB
Markdown
61 lines
1.8 KiB
Markdown
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# Reid-LLVM
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Attempt at re-creating Reid, this time using LLVM.
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## Various notes in order to get this working properly
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This is what worked for me, might not (probably) work for you, depending on
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various versions of various libraries.
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### Compiling LLVM 16.0.0
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#### Context
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Context for my computer. I am on ArchLinux, and here are some libraries and
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their current versions that I have installed as of compiling, I'm not sure what
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of them are relevant, if any, but saving them here still feels like a good idea
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for the future:
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- `cmake 3.27.0-1`
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- `lib32-llvm-libs 15.0.7-1`
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- `llvm 15.0.7-3`
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- `llvm-libs 15.0.7-3`
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- `gcc 13.1.1-2`
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- `gcc-libs 13.1.1-2`
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- `lib32-gcc-libs 13.1.1-2`
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- `lld 15.0.7-2`
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- `lldb 15.0.7-3`
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- `clang 15.0.7-9`
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- `make 4.4.1-2`
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- `automake 1.16.5-2`
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#### Commands
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```sh
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wget https://github.com/llvm/llvm-project/releases/download/llvmorg-16.0.0/llvm-16.0.0.src.tar.xz
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wget https://github.com/llvm/llvm-project/releases/download/llvmorg-16.0.0/cmake-16.0.0.src.tar.xz
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tar xvf llvm-16.0.0.src.tar.xz
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tar xvf cmake-16.0.0.src.tar.xz
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mv cmake-16.0.0.src cmake
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cd llvm-16.0.0.src
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cmake -B build -DCMAKE_INSTALL_PREFIX=$HOME/llvm-16 -DCMAKE_BUILD_TYPE=MinSizeRel -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_INCLUDE_TESTS=OFF
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make -j8
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```
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*Also Note:* Building LLVM with `Ninja` was not successful for me, but this
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method was. Ninja may be successful with you, to try it, add `-G Ninja` to the
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`cmake`-command, and instead of `make` run `ninja install`.
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### Building this crate itself
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Assuming `llvm-16.0.0.src` from the previous step was at
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`/path/llvm-16.0.0.src`, building this crate can be done via the following command:
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```sh
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LLVM_SYS_160_PREFIX=/path/llvm-16.0.0.src/build cargo build
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```
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## In conclusion
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Good luck! It took me a good 10 hours to figure this out for myself, I sure hope
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these instructions help both myself and someone else in the future!
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