Requires.jl is not the only non-stdlib dependency

[DilumAluthge]

Close this issue once Requires.jl is the ONLY non-stdlib dependency.

[DilumAluthge]

Here's how we'll handle code that requires multiple packages. From JuliaPackaging/Requires.jl#54 (comment)

pkgA = false
pkgB = false
@require PkgA begin
 global pkgA = true
 pkgA && pkgB && include("file.jl")
end
@require PkgB begin
 global pkgB = true
 pkgA && pkgB && include("file.jl")
end

[DilumAluthge]

Tips on precompilation: JuliaPackaging/Requires.jl#55

[DilumAluthge]

Closing in favor of #375