From 5df2ddd724bb2aa4f73fcaddd45b581c32c0b4e6 Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Fri, 18 Sep 2026 21:56:39 +0000
Subject: [PATCH] fix(gateway): restrict elapsed_us to Linux

The admission-limit change added elapsed_us without the target_os
guard every other item in the binary carries, so fips-gateway failed
to compile on macOS, Windows and FreeBSD, where std::time::Instant is
not imported.
---
 src/bin/fips-gateway.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bin/fips-gateway.rs b/src/bin/fips-gateway.rs
index def8029e..6a6979fb 100644
--- a/src/bin/fips-gateway.rs
+++ b/src/bin/fips-gateway.rs
@@ -55,6 +55,7 @@ fn main() {
 
 /// Microseconds since `started`, saturating, for the timing fields on debug
 /// lines.
+#[cfg(target_os = "linux")]
 fn elapsed_us(started: Instant) -> u64 {
     u64::try_from(started.elapsed().as_micros()).unwrap_or(u64::MAX)
 }