build-env: expand envvar setting, which is easy to miss

parent dddd8c61
......@@ -6,8 +6,16 @@ Setting up a build environment for Robigalia is easy! First, clone the "devbox"
git clone --recursive https://gitlab.com/robigalia/devbox.git robigalia
Set the `RUST_TARGET_PATH` environment variable in your shell configuration
to `path/to/robigalia/sel4-targets`. Make sure you have a recent Rust nightly installed.
Set the `RUST_TARGET_PATH` environment variable in your shell configuration to
`path/to/robigalia/sel4-targets`. Be sure to either source the new
configuration, set the environment variable in your current shell, or start a
new shell. Something like this in your `~/.bashrc`:
export RUST_TARGET_PATH=$HOME/proj/robigalia/sel4-targets
Followed by `source ~/.bashrc`, to set the variable in your running shell.
Make sure you have a recent Rust nightly installed.
If you're using `rustup`, run something like:
rustup default nightly-$DATE
......
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