Function build_data::set_RUSTC_VERSION [−][src]
pub fn set_RUSTC_VERSION()
Sets the RUSTC_VERSION
env variable to the output of rustc --version
.
Call this from build.rs
.
Use env!
in your main.rs
to use the variable.
Example value: "rustc 1.53.0-nightly (07e0e2ec2 2021-03-24)"
Executes the rustc
command.
Panics
Panics if it fails to get the value from rustc
.