Build LLVM for Zig

build-llvm-for-zig-debug

#!/usr/bin/env sh
set -ex

prefix=$HOME/llvm16-debug

# LLVM
mkdir -p llvm/out-debug
if [ ! -e llvm/out-debug/build.ninja ]; then
    cmake -S llvm -B llvm/out-debug \
      -DCMAKE_INSTALL_PREFIX=$prefix \
      -DCMAKE_PREFIX_PATH=$prefix \
      -DCMAKE_BUILD_TYPE=Debug \
      -DLLVM_ENABLE_LIBXML2=OFF \
      -DLLVM_ENABLE_TERMINFO=OFF \
      -DLLVM_PARALLEL_LINK_JOBS=1 \
      -G Ninja
fi
ninja -C llvm/out-debug install

## LLD
mkdir -p lld/out-debug
if [ ! -e lld/out-debug/build.ninja ]; then
    cmake -S lld -B lld/out-debug \
      -DCMAKE_INSTALL_PREFIX=$prefix \
      -DCMAKE_PREFIX_PATH=$prefix \
      -DCMAKE_BUILD_TYPE=Release \
      -DLLVM_PARALLEL_LINK_JOBS=1 \
      -DCMAKE_CXX_STANDARD=17 \
      -G Ninja
fi
ninja -C lld/out-debug install

# Clang
mkdir -p clang/out-debug
if [ ! -e clang/out-debug/build.ninja ]; then
    cmake -S clang -B clang/out-debug \
      -DCMAKE_INSTALL_PREFIX=$prefix \
      -DCMAKE_PREFIX_PATH=$prefix \
      -DCMAKE_BUILD_TYPE=Release \
      -DLLVM_PARALLEL_LINK_JOBS=1 \
      -G Ninja
fi
ninja -C clang/out-debug install

build-llvm-for-zig-release

#!/usr/bin/env sh
set -ex

prefix=$HOME/llvm16-release

mkdir -p llvm/out-release
if [ ! -e llvm/out-release/build.ninja ]; then
    cmake -S llvm -B llvm/out-release \
      -DCMAKE_INSTALL_PREFIX=$prefix \
      -DCMAKE_BUILD_TYPE=Release \
      -DLLVM_ENABLE_PROJECTS="lld;clang" \
      -DLLVM_ENABLE_LIBXML2=OFF \
      -DLLVM_ENABLE_TERMINFO=OFF \
      -DLLVM_ENABLE_LIBEDIT=OFF \
      -DLLVM_ENABLE_ASSERTIONS=ON \
      -DLLVM_PARALLEL_LINK_JOBS=1 \
      -G Ninja
fi
ninja -C llvm/out-release install