Update all cmake_minimum_required to 3.12; support CMake 4.0 #257
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CMake 4.0 drops support for CMake <3.5, so minimum versions need to be adjusted for forward compatibility. As long as we are touching minimum versions, let’s harmonize them all at 3.12, which can be considered the oldest “modern” CMake release, and which is available in all known supported Linux distributions today.
Conan-Kudo
approved these changes
Mar 5, 2025
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Seems preferable to bump only to 3.5, the minimum needed for CMake 4. |
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CMake 4.0 drops support for CMake <3.5, so minimum versions need to be adjusted for forward compatibility. As long as we are touching minimum versions, let’s harmonize them all at 3.12, which can be considered the oldest “modern” CMake release, and which is available in all known supported Linux distributions today.
I tested this (as best I could) with CMake 4.0.0rc2.