From 7e38d18470fb7e0f8587535b8ade8db3bcd143bf Mon Sep 17 00:00:00 2001
From: Peter Bower <37089506+pbower@users.noreply.github.com>
Date: Thu, 30 Jul 2026 16:45:03 +0100
Subject: [PATCH] Correct libc dependency gating to be optional

---
 Cargo.toml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index bc8a4f0..8774bfc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,7 +61,7 @@ criterion = { version = "0.8.2", features = ["html_reports"] }
 cc = { version = "1", optional = true }
 
 [target.'cfg(target_os = "linux")'.dependencies]
-libc = "0.2"
+libc = { version = "0.2", optional = true }
 
 [features]
 
@@ -283,7 +283,7 @@ select = []
 # Enables memfd-backed buffers for zero-copy cross-process sharing (Linux only).
 # Use `MemfdBuffer::new()` to create a buffer, then pass the fd to child processes.
 # Children call `MemfdBuffer::reopen()` to access the same physical memory.
-memfd = []
+memfd = ["dep:libc"]
 
 # Consider enabling this for improved Vec64 performance on Linux.
 #