CMake

[SamuelMarks]

#3 was from over 3 years ago, so thought I'd restart the conversation.

Can probably contribute CMake support myself for y'all. Main advantages:

• IDE integration;
• CPack support (build packages for many platforms);
• Cross-platform configuration & building (cmake), testing (ctest, cdash), packaging (cpack)

…and, along with vcpkg—or I suppose any package manager + pkg-config or what-have-you—one can:

• Decouple dependencies from this repo (e.g., to test with different version combinations);
• Support dependencies cross-platform

PS: I note your interest in supporting FreeBSD. That shouldn't be too difficult, particularly with this PR. Ditto for macOS. As for Windows, that'll be a more complex contribution… see my redis/redis#9728

[SamuelMarks]

Ouch:

This branch is 1 commit ahead, 14235 commits behind Snapchat:main

Merging latest, should be able to resolve issues next weekend

EDIT - Maybe you can change what HEAD this PR popints to, as it's now trying to merge 10,000 commits?!