[skip ci] add comments

bfffs · Jun 4, 2022 · c1dd649 · c1dd649
1 parent baac43e
commit c1dd649
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/bfffs-core/build.rs b/bfffs-core/build.rs
@@ -5,6 +5,9 @@ fn main() {
     println!("cargo:rerun-if-changed=build.rs");
 
     let utsname = uname().unwrap();
+    // XXX: this only checks kernel version, so it doesn't work properly in a
+    // jail.  Checking userland would be more accurate, but that would pull in
+    // bindgen with all its many dependencies.
     if utsname.sysname() == "FreeBSD" {
         let major = utsname.release()
             .to_str()