diff options
Diffstat (limited to 'cortex-m-rt/build.rs')
| -rw-r--r-- | cortex-m-rt/build.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/cortex-m-rt/build.rs b/cortex-m-rt/build.rs index 7784b98..c1028c4 100644 --- a/cortex-m-rt/build.rs +++ b/cortex-m-rt/build.rs @@ -10,13 +10,19 @@ use chrono::NaiveDate; fn main() { let meta = rustc_version::version_meta().unwrap(); + let commit_date = meta.commit_date.unwrap().parse::<NaiveDate>().unwrap(); if meta.channel == rustc_version::Channel::Dev - || meta.commit_date.unwrap().parse::<NaiveDate>().unwrap() - > NaiveDate::from_ymd(2017, 12, 26) + || commit_date > NaiveDate::from_ymd(2017, 12, 26) { println!("cargo:rustc-cfg=has_termination_lang") } + // newest nightlies don't need 'extern crate compiler_builtins' + if commit_date < NaiveDate::from_ymd(2018, 04, 07) + { + println!("cargo:rustc-cfg=needs_cb") + } + let target = env::var("TARGET").unwrap(); has_fpu(&target); |