# CMake fails to compile with the latest version of OpenSSL 4.x.x.

**URL:** https://discourse.cmake.org/t/cmake-fails-to-compile-with-the-latest-version-of-openssl-4-x-x/15753
**Category:** Development
**Created:** [July 18, 2026, 8:02pm UTC](https://discourse.cmake.org/t/cmake-fails-to-compile-with-the-latest-version-of-openssl-4-x-x/15753 "2026-07-18T20:02:02Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Michal\_Karwacki](https://discourse.cmake.org/user_avatar/discourse.cmake.org/michal_karwacki/32/6183_2.png) [@Michal\_Karwacki](https://discourse.cmake.org/u/Michal_Karwacki)
#### Post date: [July 18, 2026, 8:02pm UTC](https://discourse.cmake.org/t/cmake-fails-to-compile-with-the-latest-version-of-openssl-4-x-x/15753/1 "2026-07-18T20:02:02Z")

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CMake fails to compile with the latest version of OpenSSL 4.x.x. The system is Debian 13. I will provide more information tomorrow.