I managed to install in julia 1.5.4 CoolProp.jl:
(@v1.5) pkg> add C:\Users\hermesr\Documents\GitHub\CoolProp.jl
Cloning git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl`
Updating git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl`
Updating registry at `C:\Users\hermesr\.julia\registries\General`
Resolving package versions...
Installed CoolProp_jll ─ v6.4.1+1
Updating `C:\Users\hermesr\.julia\environments\v1.5\Project.toml`
[e084ae63] + CoolProp v0.0.0 `C:\Users\hermesr\Documents\GitHub\CoolProp.jl#master`
Updating `C:\Users\hermesr\.julia\environments\v1.5\Manifest.toml`
[e084ae63] + CoolProp v0.0.0 `C:\Users\hermesr\Documents\GitHub\CoolProp.jl#master`
[3351c21f] + CoolProp_jll v6.4.1+1
(@v1.5) pkg> build CoolProp
Julia>using CoolProp
[ Info: Precompiling CoolProp [e084ae63-2819-5025-826e-f8e611a84251]
Julia>PropsSI("n-Butane", "rhomolar_critical")
08:46:54->>3922.769612987809
Julia>saturation_ancillary("R410A","I",1,"T", 300)
08:48:38->>0.004877519938463291
But in Julia 1.6.0 I get this error alert:
(@v1.6) pkg> st
Status `C:\Users\hermesr\.julia\environments\v1.6\Project.toml`
[a8cc5b0e] Crayons v4.0.4
[ade2ca70] Dates
(@v1.6) pkg> add C:\Users\hermesr\Documents\GitHub\CoolProp.jl
Updating git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl`
Resolving package versions...
Cloning [69de0a69-1ddd-5017-9359-2bf0b02dc9f0] Parsers from https://github.com/JuliaData/Parsers.jl.git
ERROR: failed to clone from https://github.com/JuliaData/Parsers.jl.git, error: GitError(Code:ERROR, Class:OS, failed to send request: The connection with the server was terminated abnormally
)
(@v1.6) pkg> add C:\\Users\\hermesr\\Documents\\GitHub\\CoolProp.jl
Updating git-repo `C:\Users\hermesr\Documents\GitHub\CoolProp.jl`
Resolving package versions...
Cloning [69de0a69-1ddd-5017-9359-2bf0b02dc9f0] Parsers from https://github.com/JuliaData/Parsers.jl.git
ERROR: failed to clone from https://github.com/JuliaData/Parsers.jl.git, error: GitError(Code:ERROR, Class:OS, failed to send request: The connection with the server was terminated abnormally
)
(@v1.6) pkg>
How to process? What am I doing wrong?