Add missing build.rs

rust-random · Jul 26, 2018 · 2688e8a · 2688e8a
1 parent 80e945f
commit 2688e8a
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/build.rs b/build.rs
@@ -0,0 +1,8 @@
+extern crate rustc_version;
+use rustc_version::{version, Version};
+
+fn main() {
+    if version().unwrap() >= Version::parse("1.27.0").unwrap() {
+        println!("cargo:rustc-cfg=rust_1_27");
+    }
+}