1 files changed, 1 insertions, 0 deletions
diff --git a/build.rs b/build.rs
index 83fcc3c..cc59f21 100644
--- a/build.rs
+++ b/build.rs
@@ -4,6 +4,7 @@ use std::env;
 use std::process::Command;
 
 // cargo build has to be run twice for some reason.
+#[cfg(feature = "guile")]
 fn build_guile() {
     const LIBGUILE_INCLUDE_PATH: &str = "/usr/include/guile/3.0/";
     const GUILEDEFS_SRC: &str = "src/guile/guiledefs.c";