Seems like nothing I try is working now: Version 0.6.0-dev.896 (2016-10-07 08:16 UTC) Commit 38a63bd* (3 days old master) x86_64-redhat-linux
julia> using Polynomials INFO: Recompiling stale cache file /home/nbecker/.julia/lib/v0.6/Polynomials.ji for module Polynomials. WARNING: The call to compilecache failed to create a usable precompiled cache file for module Polynomials. Got: WARNING: Precompile file header verification checks failed. ERROR: LoadError: Declaring __precompile__(true) is only allowed in module files being imported. in __precompile__(::Bool) at ./loading.jl:311 in __precompile__() at ./loading.jl:307 in eval_user_input(::Any, ::Base.REPL.REPLBackend) at ./REPL.jl:66 in macro expansion at ./REPL.jl:97 [inlined] in (::Base.REPL.##3#4{Base.REPL.REPLBackend})() at ./event.jl:68 while loading /home/nbecker/.julia/v0.6/Polynomials/src/Polynomials.jl, in expression starting on line 3 julia> Pkg.add("DSP") INFO: Installing DSP v0.1.1 INFO: Package database updated julia> using DSP INFO: Recompiling stale cache file /home/nbecker/.julia/lib/v0.6/DSP.ji for module DSP. WARNING: The call to compilecache failed to create a usable precompiled cache file for module DSP. Got: WARNING: Precompile file header verification checks failed. ERROR: LoadError: Declaring __precompile__(true) is only allowed in module files being imported. in __precompile__(::Bool) at ./loading.jl:311 in __precompile__() at ./loading.jl:307 in eval_user_input(::Any, ::Base.REPL.REPLBackend) at ./REPL.jl:66 in macro expansion at ./REPL.jl:97 [inlined] in (::Base.REPL.##3#4{Base.REPL.REPLBackend})() at ./event.jl:68 while loading /home/nbecker/.julia/v0.6/DSP/src/DSP.jl, in expression starting on line 1 julia> using PyPlot INFO: Precompiling module PyPlot. WARNING: Precompile file header verification checks failed. ERROR: Module PyPlot declares __precompile__(true) but require failed to create a usable precompiled cache file. in eval_user_input(::Any, ::Base.REPL.REPLBackend) at ./REPL.jl:66 in macro expansion at ./REPL.jl:97 [inlined] in (::Base.REPL.##3#4{Base.REPL.REPLBackend})() at ./event.jl:68