43 lines
1.3 KiB
Bash
Executable File
43 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# this script builds llvm components
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LLVM_VERSION=16.0.0
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LLVM_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VERSION/llvm-project-$LLVM_VERSION.src.tar.xz"
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LLVM_FILENAME="llvm-project-$LLVM_VERSION.src.tar.xz"
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# download/extract LLVM (if need be)
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[[ ! -d 'llvm_src' ]] && {
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curl -LO $LLVM_URL
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tar xf $LLVM_FILENAME
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mv llvm-project-$LLVM_VERSION.src llvm_src/
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rm $LLVM_FILENAME
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};
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# Configure LLVM. THis is a mouthful, but it's only a mouthful because we specialize things we don't
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# want in our minimal build of the LLVM project/clang.
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# -DLLVM_ENABLE_LTO=Thin
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cmake -GNinja -S llvm_src/llvm -B llvm_build \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_C_COMPILER=clang \
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-DCMAKE_CXX_COMPILER=clang++ \
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-DCMAKE_INSTALL_PREFIX="$PWD/lua/bin/llvm" \
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-DLLVM_USE_LINKER=lld \
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-DLLVM_INCLUDE_TESTS=OFF \
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-DLLVM_ENABLE_PROJECTS="clang;lld" \
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-DLLVM_TARGETS_TO_BUILD="RISCV" \
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-DLLVM_DEFAULT_TARGET_TRIPLE="riscv32-none-gnu"
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# TODO: Configure and build compiler-rt with our toolchain.
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#cmake -GNinja -S llvm_src/compiler-rt \
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# -DCOMPILER_RT_BUILD_SANITIZERS=OFF \
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# -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
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# -DCOMPILER_RT_BUILD_PROFILE=OFF \
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# -DCOMPILER_RT_BUILD_MEMPROF=OFF \
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# -DCOMPILER_RT_BUILD_ORC=OFF \
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# -DCOMPILER_RT_BAREMETAL_BUILD=ON
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# Build it
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cmake --build llvm_build -j $(($(nproc) + 1))
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