nsisunz NSIS Plugin

NSIS plugin for ZIP file extraction.

Versions

Folder	zlib version	Notes
zlib-1.1.3/	zlib 1.1.3 (1998)	Original version
zlib-1.3/	zlib 1.3.1 (2023)	Updated version

Build Script

The repo includes a single unified build_plugin.py script that replaces the previous per-version scripts.

Build

# Recommended: zlib 1.3 with auto-detected toolset
python build_plugin.py

# Select zlib version (1.1.3 = legacy, 1.3 = default)
python build_plugin.py --zlib-version 1.1.3

# Specific toolset (2022|2026|auto)
python build_plugin.py --toolset 2022

# Print version and exit
python build_plugin.py --version

Output

Compiled DLLs are copied to plugins/{platform}/nsisunz.dll:

• plugins/x86-ansi/nsisunz.dll
• plugins/x86-unicode/nsisunz.dll
• plugins/amd64-unicode/nsisunz.dll

Documentation

• zlib 1.3: See zlib-1.3/README.md and zlib-1.3/BUILD_INFO.md
• zlib 1.1.3: See zlib-1.1.3/README.md

Credits

Based on past-due/nsisunz

---

See README_IT.md for the Italian version.