#!/bin/bash
# ============================================================================
# DarkForge Linux — Phase 3, Chapter 8.9: LZ4
# ============================================================================
# Purpose:  Build and install LZ4 compression library and tools.
#           LZ4 is a fast compression algorithm used by some system tools.
# Inputs:   /sources/lz4-1.10.0.tar.gz
# Outputs:  /usr/bin/lz4, /usr/lib/liblz4.so
# Ref:      LFS 13.0 §8.9
# ============================================================================

set -euo pipefail
source /sources/toolchain-scripts/100-chroot-env.sh

PACKAGE="lz4"
VERSION="1.10.0"

echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="

pkg_extract "${PACKAGE}-${VERSION}.tar.gz"
cd "${PACKAGE}-${VERSION}"

# LZ4 uses a Makefile (not autoconf)
# Build and install in one step with make install
# PREFIX=/usr: Install to standard location
make BUILD_SHARED=yes PREFIX=/usr

# Run tests
make test || true

# Install lz4
make install PREFIX=/usr

# Verify installation
if [ -x /usr/bin/lz4 ]; then
    echo "PASS: lz4 binary installed"
else
    echo "FAIL: lz4 binary not found"
    exit 1
fi

if [ -f /usr/lib/liblz4.so ]; then
    echo "PASS: liblz4.so installed"
else
    echo "FAIL: liblz4.so not found"
    exit 1
fi

pkg_cleanup "${PACKAGE}-${VERSION}"
echo "=== ${PACKAGE}-${VERSION} complete ==="