build-llvm-on-almalinux.bash

build-llvm-on-almalinux.bash

#!/usr/bin/bash

LLVM_VERSION=18.1.3
LLVM_VERSION_BETA=

PREFIX=$HOME

if [ -n "$LLVM_VERSION_BETA" ]; then
        FILENAME="llvm-project-${LLVM_VERSION}${LLVM_VERSION_BETA}.src.tar.xz"
        INSTALL_PREFIX="$PREFIX/.local/local/llvm-${LLVM_VERSION}${LLVM_VERSION_BETA}"
        EXTRACTED_PATH="llvm-project-${LLVM_VERSION}${LLVM_VERSION_BETA}.src"
        LLVM_DOWNLOAD_URL=https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}-${LLVM_VERSION_BETA}/${FILENAME}
else
        FILENAME="llvm-project-${LLVM_VERSION}.src.tar.xz"
        LLVM_DOWNLOAD_URL=https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/${FILENAME}
        INSTALL_PREFIX="$PREFIX/.local/local/llvm-${LLVM_VERSION}"
        EXTRACTED_PATH="llvm-project-${LLVM_VERSION}.src"
fi

(

        cd "$PREFIX" || exit

        wget -4 $LLVM_DOWNLOAD_URL &&
                tar xvf "${FILENAME}" &&
                cd "${EXTRACTED_PATH}" &&
                cmake -B build -S llvm \
                        -DCMAKE_INSTALL_PREFIX="${INSTALL_PREFIX}" \
                        -DCMAKE_BUILD_TYPE=Release \
                        -DCMAKE_C_COMPILER="$PREFIX/.local/local/llvm/bin/clang" \
                        -DCMAKE_CXX_COMPILER="$PREFIX/.local/local/llvm/bin/clang++" \
                        -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;lld;compiler-rt" \
                        -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
                        -DLLVM_BUILD_EXAMPLES:BOOL=OFF \
                        -DLLVM_INCLUDE_EXAMPLES:BOOL=OFF \
                        -DLLVM_INCLUDE_TESTS:BOOL=OFF \
                        -DLLVM_INCLUDE_BENCHMARKS:BOOL=OFF \
                        -DLLVM_ENABLE_DOXYGEN:BOOL=OFF \
                        -DLLVM_ENABLE_OCAMLDOC:BOOL=OFF \
                        -DLLVM_ENABLE_SPHINX:BOOL=OFF \
                        -DLLVM_ENABLE_RTTI:BOOL=OFF \
                        -DLLVM_PARALLEL_LINK_JOBS=2 \
                        -DBUILD_SHARED_LIBS:BOOL=OFF \
                        -DLLVM_BUILD_TOOLS:BOOL=ON \
                        -DLLVM_ENABLE_ASSERTIONS:BOOL=OFF \
                        -DLLVM_OPTIMIZED_TABLEGEN:BOOL=ON \
                        -DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD:BOOL=ON \
                        -DCLANG_ENABLE_STATIC_ANALYZER:BOOL=ON \
                        -DCLANG_TOOL_CLANG_CHECK_BUILD:BOOL=ON \
                        -DCLANG_PLUGIN_SUPPORT:BOOL=ON \
                        -DCLANG_TOOL_CLANG_FORMAT_BUILD:BOOL=ON \
                        -DLLVM_ENABLE_DOXYGEN=NO \
                        -DCLANG_TOOL_CLANG_FUZZER_BUILD:BOOL=ON \
                        -G Ninja &&
                cd build &&
                ninja install