Everytime I start julia, packages need to be precompiled again. What is wrong?
$ julia
_
_ _ _(_)_ | A fresh approach to technical computing
(_) | (_) (_) | Documentation: https://docs.julialang.org
_ _ _| |_ __ _ | Type "?" for help, "]?" for Pkg help.
| | | | | | |/ _` | |
| | |_| | | | (_| | | Version 0.7.0 (2018-08-08 06:46 UTC)
_/ |\__'_|_|_|\__'_| | Official http://julialang.org/ release
|__/ | x86_64-pc-linux-gnu
julia> using DataFrames
[ Info: Recompiling stale cache file /home/user/.julia/compiled/v0.7/DataFrames/AR9oZ.ji for DataFrames [a93c6f00-e57d-5684-b7b6-d8193f3e46c0]
┌ Warning: Package CodecZlib does not have Libdl in its dependencies:
│ - If you have CodecZlib checked out for development and have
│ added Libdl as a dependency but haven't updated your primary
│ environment's manifest file, try `Pkg.resolve()`.
│ - Otherwise you may need to report an issue with CodecZlib
└ Loading Libdl into CodecZlib from project dependency, future warnings for CodecZlib are suppressed.
┌ Warning: The call to compilecache failed to create a usable precompiled cache file for DataFrames [a93c6f00-e57d-5684-b7b6-d8193f3e46c0]
│ exception = Required dependency CodecZlib [944b1d66-785c-5afd-91f1-9de20f533193] failed to load from a cache file.
└ @ Base loading.jl:963
[ Info: Recompiling stale cache file /home/user/.julia/compiled/v0.7/CodecZlib/1TI30.ji for CodecZlib [944b1d66-785c-5afd-91f1-9de20f533193]
┌ Warning: Package CodecZlib does not have Libdl in its dependencies:
│ - If you have CodecZlib checked out for development and have
│ added Libdl as a dependency but haven't updated your primary
│ environment's manifest file, try `Pkg.resolve()`.
│ - Otherwise you may need to report an issue with CodecZlib
└ Loading Libdl into CodecZlib from project dependency, future warnings for CodecZlib are suppressed.