#!/bin/bash
set -e

build_dir=$1

# With simpleBuildEnvironment flag, we're already in build directory
# The source tree has been copied here by USM from sources/lz4
echo "Building LZ4 in ${build_dir}..."

# Check if we need to navigate to the lz4 source directory
if [ ! -f "./Makefile" ]; then
    if [ -d "sources/lz4" ]; then
        cd sources/lz4
    elif [ -d "lz4" ]; then
        cd lz4
    else
        echo "Error: Makefile not found"
        echo "Contents of current directory:"
        ls -la
        exit 1
    fi
fi

# Build according to LFS instructions
make BUILD_STATIC=no PREFIX=${PREFIX}

echo "Build complete."