PKG_BRANCH = master
PKG_SHA1 = 6dd0e7c9e99d578aa5477e2c78c91a161ce4c357
PKG_GIT_URL := https://github.com/JuliaLang/Pkg.jl.git
PKG_TAR_URL = https://api.github.com/repos/JuliaLang/Pkg.jl/tarball/$1