--- src/host/alsa/mod.rs.orig	2026-04-18 22:12:00.169721000 -0700
+++ src/host/alsa/mod.rs	2026-04-18 22:12:29.636442000 -0700
@@ -91,6 +91,14 @@
 
 // TODO: Not yet defined in rust-lang/libc crate
 const LIBC_ENOTSUPP: libc::c_int = 524;
+
+// ESTRPIPE is Linux-specific (hardware suspend from ALSA); not present on FreeBSD.
+// The ALSA compatibility library on FreeBSD never returns this, so defining it as an
+// out-of-range sentinel ensures the match arms are unreachable without compile errors.
+#[cfg(target_os = "linux")]
+const ESTRPIPE: libc::c_int = libc::ESTRPIPE;
+#[cfg(not(target_os = "linux"))]
+const ESTRPIPE: libc::c_int = 86;
 
 /// The default Linux and BSD host type.
 #[derive(Debug, Clone)]
@@ -1024,7 +1032,7 @@
         // Xrun: recover via prepare() (+ start() for capture, handled by the worker).
         Err(err) if err.errno() == libc::EPIPE => return Err(StreamError::BufferUnderrun),
         // Suspend: try hardware resume first; fall back to prepare() if unsupported.
-        Err(err) if err.errno() == libc::ESTRPIPE => return try_resume(&stream.channel),
+        Err(err) if err.errno() == ESTRPIPE => return try_resume(&stream.channel),
         res => res,
     }? as usize;
     let delay_frames = match status.get_delay() {
@@ -1076,7 +1084,7 @@
             Err(err) if err.errno() == libc::EPIPE => return Err(StreamError::BufferUnderrun),
             // ESTRPIPE = hardware suspend: try soft resume first, falling back to underrun
             // recovery if the hardware doesn't support it.
-            Err(err) if err.errno() == libc::ESTRPIPE => {
+            Err(err) if err.errno() == ESTRPIPE => {
                 return try_resume(&stream.channel).map(|_| ());
             }
             Err(err) if err.errno() == libc::ENODEV => return Err(StreamError::DeviceNotAvailable),
@@ -1151,7 +1159,7 @@
             Err(err) if err.errno() == libc::EPIPE => return Err(StreamError::BufferUnderrun),
             // ESTRPIPE = hardware suspend: try soft resume first, falling back to underrun
             // recovery if the hardware doesn't support it.
-            Err(err) if err.errno() == libc::ESTRPIPE => {
+            Err(err) if err.errno() == ESTRPIPE => {
                 return try_resume(&stream.channel).map(|_| ());
             }
             Err(err) if err.errno() == libc::ENODEV => return Err(StreamError::DeviceNotAvailable),