Fix some compile problems when builtin-lua is disabled

2017-07-26 10:27:41 -04:00 · 2017-07-26 10:27:41 -04:00 · eae4c90ead
parent a5ea303c22
commit eae4c90ead
1 changed files with 3 additions and 2 deletions
--- a/build.rs
+++ b/build.rs
@ -1,10 +1,11 @@
+#[cfg(feature = "builtin-lua")]
 extern crate gcc;

-use std::env;
-
 fn main() {
    #[cfg(feature = "builtin-lua")]
    {
+        use std::env;
+
        let mut config = gcc::Config::new();

        let target_os = env::var("CARGO_CFG_TARGET_OS");