1 files changed, 8 insertions, 2 deletions
diff --git a/library/std/src/sys/unix/net.rs b/library/std/src/sys/unix/net.rs
index 753cad55ce7..3f614fde08a 100644
--- a/library/std/src/sys/unix/net.rs
+++ b/library/std/src/sys/unix/net.rs
@@ -9,7 +9,7 @@ use crate::sys_common::net::{getsockopt, setsockopt, sockaddr_to_addr};
 use crate::sys_common::{AsInner, FromInner, IntoInner};
 use crate::time::{Duration, Instant};
 
-use libc::{c_int, c_void, size_t, sockaddr, socklen_t, EAI_SYSTEM, MSG_PEEK};
+use libc::{c_int, c_void, size_t, sockaddr, socklen_t, MSG_PEEK};
 
 pub use crate::sys::{cvt, cvt_r};
 
@@ -30,13 +30,19 @@ pub fn cvt_gai(err: c_int) -> io::Result<()> {
     // We may need to trigger a glibc workaround. See on_resolver_failure() for details.
     on_resolver_failure();
 
-    if err == EAI_SYSTEM {
+    #[cfg(not(target_os = "espidf"))]
+    if err == libc::EAI_SYSTEM {
         return Err(io::Error::last_os_error());
     }
 
+    #[cfg(not(target_os = "espidf"))]
     let detail = unsafe {
         str::from_utf8(CStr::from_ptr(libc::gai_strerror(err)).to_bytes()).unwrap().to_owned()
     };
+
+    #[cfg(target_os = "espidf")]
+    let detail = "";
+
     Err(io::Error::new(
         io::ErrorKind::Uncategorized,
         &format!("failed to lookup address information: {}", detail)[..],