1 files changed, 0 insertions, 44 deletions
diff --git a/bitflags/build.rs b/bitflags/build.rs
deleted file mode 100644
index 985757a..0000000
--- a/bitflags/build.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-use std::env;
-use std::process::Command;
-use std::str::{self, FromStr};
-
-fn main(){
-    let minor = match rustc_minor_version() {
-        Some(minor) => minor,
-        None => return,
-    };
-
-    // const fn stabilized in Rust 1.31:
-    if minor >= 31 {
-        println!("cargo:rustc-cfg=bitflags_const_fn");
-    }
-}
-
-fn rustc_minor_version() -> Option<u32> {
-    let rustc = match env::var_os("RUSTC") {
-        Some(rustc) => rustc,
-        None => return None,
-    };
-
-    let output = match Command::new(rustc).arg("--version").output() {
-        Ok(output) => output,
-        Err(_) => return None,
-    };
-
-    let version = match str::from_utf8(&output.stdout) {
-        Ok(version) => version,
-        Err(_) => return None,
-    };
-
-    let mut pieces = version.split('.');
-    if pieces.next() != Some("rustc 1") {
-        return None;
-    }
-
-    let next = match pieces.next() {
-        Some(next) => next,
-        None => return None,
-    };
-
-    u32::from_str(next).ok()
-}
-\ No newline at end of file