[AlphaMolWrapper] add recipe

[IvanSpirandelli]

• Name: AlphaMolWrapper
• Version: v0.1 (446c9949291c89596a58cd14f9864101ff0dc9bf)
• Source: https://github.com/IvanSpirandelli/AlphaMolWrapper
• Language: C++
• BuildSystem: CMake
• Depends: GMP
• Depends (optional): None
• Purpose: Calculation of geometric measures of a union of 3d balls.
• Description: "AlphaMol can calculate volume, surface area, mean curvature and Gaussian curvature of a union of 3d balls. Furthermore it can also compute the derivatives of the measures."

[giordano]

Thanks for your contribution!

As a general remark working with Git and GitHub, opening a PR from a branch with the same name as the target branch is an anti-pattern. You should always create a new branch.

[IvanSpirandelli]

Tried setting GMP_jll to both 6.2.0 and 6.1.2. Both threw the following error:

ERROR: LoadError: Unsatisfiable requirements detected for package GMP_jll [781609d7]:
GMP_jll [781609d7] log:
├─possible versions are: 6.2.1 or uninstalled
└─restricted to versions 6.1.2 by an explicit requirement — no versions left

[IvanSpirandelli]

As I cannot seem to use GMP_jll 6.2.0 or less, I can also not have Julia 1.6.3 compat.