Dependencies and their minimum versions
curl and libcurl attempt to support the following dependencies at this
version or greater.
Run-time dependencies
| library | version | release date |
|---|
| brotli | 1.0.0 | 2017-09-21 |
| c-ares | 1.16.0 | 2020-03-13 |
| GnuTLS | 3.6.5 | 2018-12-01 |
| libidn2 | 2.0.0 | 2017-03-29 |
| libgsasl | 1.6.0 | 2010-12-14 |
| libpsl | 0.16.0 | 2016-12-10 |
| LibreSSL | 2.9.1 | 2019-04-21 |
| libssh | 0.9.0 | 2019-06-28 |
| libssh2 | 1.9.0 | 2019-06-20 |
| mbedTLS | 3.2.0 | 2022-07-11 |
| MIT Kerberos | 1.3 | 2003-07-31 |
| nghttp2 | 1.15.0 | 2016-09-25 |
| nghttp3 | 1.0.0 | 2023-10-15 |
| ngtcp2 | 1.0.0 | 2023-10-15, with OpenSSL 3.5.0+: 1.12.0 (2025-04-16) |
| OpenLDAP | 2.0 | 2000-08-01 |
| OpenSSL | 3.0.0 | 2021-09-07 |
| quiche | 0.20.0 | 2023-12-12 |
| Windows | Vista 6.0 | 2006-11-08 - 2012-04-10 |
| wolfSSL | 5.0.0 | 2021-11-01 |
| zlib | 1.2.5.2 | 2011-12-11 |
| zstd | 1.0 | 2016-08-31 |
Build dependencies
| tool | version | release date |
|---|
| 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 |
Test dependencies
| tool | version | release date |
|---|
| OpenSSL | | see above |
| nghttp2 | | see above |
| perl | | see above |
| Python | 3.8 | 2019-10-14 |
