69 lines
1.6 KiB
Bash
69 lines
1.6 KiB
Bash
#!/bin/bash
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set -e
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LLVM_VERSION=${1:-18.1.6}
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SCRIPT_DIR=$(cd "$(dirname "$BASH_SOURCE")" ; pwd)
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pushd ${SCRIPT_DIR}/../..
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BUILD_UNIVERSAL=true
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UE_THIRD_PARTY_LOCATION=`cd $(pwd)/..; pwd`
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UE_MODULE_LOCATION=`pwd`
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LLVM_SOURCE_LOCATION="$UE_MODULE_LOCATION/llvm-$LLVM_VERSION/llvm/"
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LLVM_BUILD_LOCATION="$LLVM_SOURCE_LOCATION/build/"
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LLVM_INSTALL_LOCATION="$UE_MODULE_LOCATION/llvm/"
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CORES=$(getconf _NPROCESSORS_ONLN)
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rm -rf $LLVM_SOURCE_LOCATION
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rm -rf $LLVM_BUILD_LOCATION
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rm -rf "$UE_MODULE_LOCATION/llvm-$LLVM_VERSION"
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echo Cloning and building llvm $LLVM_VERSION...
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git clone https://github.com/llvm/llvm-project.git --branch llvmorg-$LLVM_VERSION llvm-$LLVM_VERSION
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mkdir -p $LLVM_BUILD_LOCATION
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CMAKE_ARGS=(
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-DCMAKE_INSTALL_PREFIX="$LLVM_INSTALL_LOCATION"
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-DCMAKE_OSX_DEPLOYMENT_TARGET="13.0"
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-DCMAKE_BUILD_TYPE=Release
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-DLLVM_ENABLE_DUMP=ON
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-DLLVM_ENABLE_ASSERTIONS=ON
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-DLLVM_INSTALL_UTILS=ON
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-DLLVM_TARGETS_TO_BUILD="AArch64;ARM;X86"
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-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly
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-DLLVM_ENABLE_PROJECTS=clang
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-DLLVM_ENABLE_ZLIB=OFF
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)
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if [ "$BUILD_UNIVERSAL" = true ] ; then
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CMAKE_ARGS+=(-DCMAKE_OSX_ARCHITECTURES="arm64;x86_64")
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fi
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BUILD_LOCATION="$UE_MODULE_LOCATION/Intermediate"
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rm -rf $BUILD_LOCATION
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mkdir $BUILD_LOCATION
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pushd $BUILD_LOCATION
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echo Configuring build for llvm version $LLVM_VERSION...
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cmake -G "Xcode" $LLVM_SOURCE_LOCATION "${CMAKE_ARGS[@]}"
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echo Building llvm for Release...
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cmake --build . --config Release --parallel ${CORES}
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echo Installing llvm for Release...
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cmake --install . --config Release
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popd
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popd
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echo Done.
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