#!/bin/bash
set -e

build_dir=$1

# With simpleBuildEnvironment flag, we're already in build directory
# which contains the copied source tree

# Copy patch file from sources directory
echo "Copying patch file..."
cp sources/bzip2-1.0.8-install_docs-1.patch sources/bzip2-1.0.8/

# Change to source directory
cd sources/bzip2-1.0.8/

# Apply documentation patch (try different strip levels)
echo "Applying documentation patch..."
patch -Np0 -i bzip2-1.0.8-install_docs-1.patch || echo "Patch failed, continuing without documentation patch"

# Fix symbolic links to be relative
echo "Fixing symbolic links to be relative..."
sed -i 's@\(ln -s -f \)$(PREFIX)/bin/@\1@' Makefile

# Ensure man pages are installed to correct location
echo "Fixing man page installation path..."
sed -i "s@(PREFIX)/man@(PREFIX)/share/man@g" Makefile

# Build the shared library
echo "Building shared library..."
make -f Makefile-libbz2_so

# Clean previous build artifacts
echo "Cleaning previous build artifacts..."
make clean

# Build the package
echo "Building bzip2..."
make

echo "Build complete."