Add cmake build system support

[romain-noel]

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It is possible (and maybe planned) to add a cmake support ? Or is there any technical reason blocking this support in the current time ?

[jvdp1]

Any specific reasons why there is no CMake support for Minpack?

cc @certik @awvwgk @jacobwilliams

[awvwgk]

I didn't want to write the CMake files and we already have meson and from support. However if anyone wants to contribute CMake support it is of course welcome.

[jvdp1]

I will give it a try. But I will need most likely your expertise.