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#!/bin/bash
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
ZEN_ROOT=$(realpath $SCRIPT_DIR/../..)
die() { echo "ERROR: $1"; exit; }
toolchain_dir="${1:-${ZEN_ROOT}/.tmp-ue-toolchain}"
if [[ $toolchain_dir == "--help" ]]; then
echo "usage: $(basename ${BASH_SOURCE[0]}) <output_dir>"
exit
fi
if [ -e $toolchain_dir ]; then
rmdir $toolchain_dir
if [ $? -gt 0 ]; then
die "$toolchain_dir is not empty"
exit
fi
fi
mkdir -p $toolchain_dir
cd $toolchain_dir
mkdir -p tmp
cd tmp
CLANG_VERSION=v25_clang-18.1.0-rockylinux8
TOOLCHAIN_PLATFORM=x86_64-unknown-linux-gnu
echo "Fetching UE toolchain $CLANG_VERSION into '$toolchain_dir'..."
wget -q --show-progress http://cdn.unrealengine.com/Toolchain_Linux/native-linux-$CLANG_VERSION.tar.gz
echo "Extracting toolchain $TOOLCHAIN_PLATFORM..."
tar -xzf native-linux-$CLANG_VERSION.tar.gz $CLANG_VERSION/$TOOLCHAIN_PLATFORM/
mv $CLANG_VERSION/$TOOLCHAIN_PLATFORM/* ..
cd ..
rm -rf tmp
echo "Done"
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