When precompiling, UndefVarError: CompilerConfig not defined

[dmillard]

On [dde4c033] Metal v0.5.0

[ Info: Precompiling Metal [dde4c033-4e86-420c-a63e-0dd931031962]
ERROR: LoadError: UndefVarError: `CompilerConfig` not defined
Stacktrace:
 [1] top-level scope
   @ ~/.julia/packages/Metal/qeZqc/src/compiler/compilation.jl:4
 [2] include(mod::Module, _path::String)
   @ Base ./Base.jl:457
 [3] include(x::String)
   @ Metal ~/.julia/packages/Metal/qeZqc/src/Metal.jl:1
 [4] top-level scope
   @ ~/.julia/packages/Metal/qeZqc/src/Metal.jl:44
 [5] include
   @ ./Base.jl:457 [inlined]
 [6] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::String)
   @ Base ./loading.jl:2049
 [7] top-level scope
   @ stdin:3

[dmillard]

On some more investigation, this seems to be somewhat transient - I had an outdated version of the CUDA.jl package in the same environment as a newer Metal.jl package. Upgrading CUDA.jl fixed the issue.

[maleadt]

Probably an upper bound on GPUCompiler that isn't tight enough.