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## Dependencies

We aim to support these or later versions:

- Libgcrypt      1.8 (2017-07-18)
- LibreSSL       3.7.0 (2022-12-12)
- mbedTLS        3.1.0 - 3.6.x (2021-12-15)
- OpenSSL        1.1.1 (2018-09-11)
- Windows        Vista 6.0 (2006-11-08 - 2012-04-10)
- wolfSSL        5.4.0 (2022-07-11)
- zlib           1.2.5.2 (2011-12-11)

## Build tools

Building libssh2 requires these or later tool versions:

- clang-tidy     17.0.0 (2023-09-19), recommended: 19.1.0 (2024-09-17)
- cmake          3.18 (2020-07-15)
- GNU autoconf   2.59 (2003-11-06)
- GNU automake   1.7 (2002-09-25)
- GNU libtool    1.4.2 (2001-09-11)
- GNU m4         1.4 (2007-09-21)
- mingw-w64      3.0 (2013-09-20)
- perl           5.8 (2002-07-19), on Windows: 5.22 (2015-06-01)
- Visual Studio  2010 10.0 (2010-04-12 - 2020-07-14)