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toolchain/scripts/179-strip-and-cleanup.sh

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+#!/bin/bash
+# ============================================================================
+# DarkForge Linux — Phase 3, Chapter 8: Strip Binaries and Clean Up
+# ============================================================================
+# Purpose:  Remove debugging symbols from all installed binaries to reduce
+#           system size. This is the final cleanup step before boot testing.
+#           LFS §8.85-87 combined.
+# Inputs:   All installed binaries and libraries in /usr/
+# Outputs:  Stripped binaries, cleaned system
+# Assumes:  Running inside chroot, all Phase 3 packages built
+# Ref:      LFS 13.0 §8.85, §8.86, §8.87
+# ============================================================================
+
+set -euo pipefail
+
+source /sources/toolchain-scripts/100-chroot-env.sh
+
+echo "=== Stripping symbols from binaries and libraries ==="
+
+# Strip unneeded symbols from all installed binaries and libraries
+# This is safe to do (doesn't affect functionality) and saves disk space
+strip --strip-all /usr/lib/* 2>/dev/null || true
+strip --strip-all /usr/bin/* 2>/dev/null || true
+strip --strip-all /usr/sbin/* 2>/dev/null || true
+
+# Also strip libraries in standard lib directory
+strip --strip-all /lib/* 2>/dev/null || true
+strip --strip-all /sbin/* 2>/dev/null || true
+
+echo ">>> Binaries stripped"
+
+# Remove unnecessary files
+echo ">>> Cleaning up unnecessary files..."
+
+# Remove duplicate man pages if any
+find /usr/share/man -type f -name "*.gz" | while read f; do
+    if [ -f "${f%.gz}" ]; then
+        rm -f "$f"
+    fi
+done
+
+# Remove empty directories
+find /usr -type d -empty -delete 2>/dev/null || true
+find /var -type d -empty -delete 2>/dev/null || true
+
+echo ">>> Cleanup complete"
+
+# Report final system size
+echo ""
+echo "=== System size report ==="
+du -sh /usr 2>/dev/null || true
+du -sh /lib 2>/dev/null || true
+du -sh /bin 2>/dev/null || true
+du -sh /sbin 2>/dev/null || true
+du -sh /var 2>/dev/null || true
+echo ""
+echo "=== Stripping and cleanup complete ==="
+echo ""
+echo "System is ready for boot testing. Next steps:"
+echo "  1. Exit chroot (exit or Ctrl+D)"
+echo "  2. Build kernel (Phase 4)"
+echo "  3. Configure init system (Phase 5)"
+echo "  4. Test in QEMU"