install error 0.4.1 on El Capitan

[scottdraves]

Pkg.add("IJulia") resulted in

===============================[ ERROR: IJulia ]================================

LoadError: __precompile__(true) but require failed to create a precompiled cache file
while loading /Users/spot/.julia/v0.4/IJulia/deps/build.jl, in expression starting on line 2

================================================================================

================================[ BUILD ERRORS ]================================

WARNING: IJulia had build errors.

 - packages with build errors remain installed in /Users/spot/.julia/v0.4
 - build the package(s) and all dependencies with `Pkg.build("IJulia")`
 - build a single package by running its `deps/build.jl` script

================================================================================
INFO: Package database updated

and then when i run ipython notebook only 0.3.7 which i had installed before shows up in the list of available kernels.

[yuyichao]

Dup of #13200