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Fix an issue in building docs #4

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stephenneuendorffer merged 1 commit into from
Sep 3, 2021
Merged

Fix an issue in building docs #4

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26 changes: 13 additions & 13 deletions docs/Building.md
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Expand Up @@ -17,26 +17,26 @@ the tools are largely board and device indepdendent and can be adapted to other
## Building on X86

First compile LLVM, with the ability to target AArch64 as a cross-compiler, and with MLIR enabled:
In addition, we make some common build optimizations to use a linker other than 'ld' (which tends
to be quite slow on large link jobs) and to link against libLLVM.so and libClang.so. You may find
that other options are also useful. Note that due to changing MLIR APIs, only a particular revision
is expected to work.
In addition, we make some common build optimizations to use a linker ('lld' or 'gold') other than
'ld' (which tends to be quite slow on large link jobs) and to link against libLLVM.so and libClang
so. You may find that other options are also useful. Note that due to changing MLIR APIs, only a
particular revision is expected to work.

```sh
git clone https://github.com/llvm/llvm-project
cd llvm-project
git checkout ebe408ad8003
mkdir ${LLVMBUILD}; cd ${LLVMBUILD}
cmake -GNinja \
-DLLVM_LINK_LLVM_DYLIB=ON
-DCLANG_LINK_CLANG_DYLIB=ON
-DLLVM_BUILD_UTILS=ON
-DLLVM_INSTALL_UTILS=ON
-DLLVM_USE_LINKER=lld (or gold)
-DCMAKE_INSTALL_PREFIX=${ACDCInstallDir}
-DLLVM_ENABLE_PROJECTS="clang;lld;mlir"
-DLLVM_TARGETS_TO_BUILD:STRING="X86;ARM;AArch64;"
..
-DLLVM_LINK_LLVM_DYLIB=ON \
-DCLANG_LINK_CLANG_DYLIB=ON \
-DLLVM_BUILD_UTILS=ON \
-DLLVM_INSTALL_UTILS=ON \
-DLLVM_USE_LINKER=lld \
-DCMAKE_INSTALL_PREFIX=${ACDCInstallDir} \
-DLLVM_ENABLE_PROJECTS="clang;lld;mlir" \
-DLLVM_TARGETS_TO_BUILD:STRING="X86;ARM;AArch64;" \
../llvm
ninja; ninja check-llvm; ninja install
```

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