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toolchain/scripts/105-bzip2.sh

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+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8.7: Bzip2
+# ============================================================================
+# Purpose:  Build and install bzip2 compression utility and library.
+#           Needed for compressing/decompressing bzip2 archives.
+# Inputs:   /sources/bzip2-1.0.8.tar.gz, /sources/bzip2-1.0.8-install_docs-1.patch
+# Outputs:  /usr/bin/bzip2, /usr/lib/libbz2.so.1
+# Ref:      LFS 13.0 §8.7
+# ============================================================================
+
+set -euo pipefail
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+PACKAGE="bzip2"
+VERSION="1.0.8"
+
+echo "=== Building ${PACKAGE}-${VERSION} (Phase 3) ==="
+
+pkg_extract "${PACKAGE}-${VERSION}.tar.gz"
+cd "${PACKAGE}-${VERSION}"
+
+# Apply LFS patch to install documentation
+echo ">>> Applying bzip2-1.0.8-install_docs-1.patch..."
+patch -Np1 -i ../bzip2-1.0.8-install_docs-1.patch
+
+# Bzip2 uses a Makefile (not autoconf)
+# Compile bzip2
+make -f Makefile-libbz2_so
+make clean
+
+# Build bzip2 normally (static version for bzip2 binary)
+make
+
+# Install bzip2
+make PREFIX=/usr install
+
+# The Makefile builds dynamic libraries; we need to install them
+# Install the dynamic library we built
+cp bzip2-shared /bin/bzip2
+cp libbz2.so.1.0.8 /lib/
+ln -s libbz2.so.1.0.8 /lib/libbz2.so.1
+
+# Create symlink in /usr/lib (some packages look there)
+ln -s /lib/libbz2.so.1 /usr/lib/libbz2.so
+
+# Verify installation
+if [ -x /bin/bzip2 ]; then
+    echo "PASS: bzip2 binary installed"
+else
+    echo "FAIL: bzip2 binary not found"
+    exit 1
+fi
+
+if [ -f /lib/libbz2.so.1.0.8 ]; then
+    echo "PASS: libbz2.so installed"
+else
+    echo "FAIL: libbz2.so not found"
+    exit 1
+fi
+
+pkg_cleanup "${PACKAGE}-${VERSION}"
+echo "=== ${PACKAGE}-${VERSION} complete ==="