From 41e9f9aa6d7b9a00c5398377527a8ea48abf3a1c Mon Sep 17 00:00:00 2001
From: Michal Trybus <komar007@gmail.com>
Date: Fri, 19 May 2023 17:20:09 +0200
Subject: [PATCH] fix: optional dependency on libc

---
 Cargo.toml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index a4ff6d5..702a559 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,6 @@ digest = "0.10.6"
 either = "1.6.1"
 futures = "0.3.17"
 hex = "0.4.3"
-libc = "0.2.144"
 memmap2 = { version = "0.5.8", optional = true }
 miette = "5.7.0"
 reflink = "0.1.3"
@@ -37,6 +36,9 @@ tokio = { version = "1.12.0", features = [
 tokio-stream = { version = "0.1.7", features = ["io-util"], optional = true }
 walkdir = "2.3.2"
 
+[target.'cfg(target_os = "linux")'.dependencies]
+libc = { version = "0.2.144", optional = true }
+
 [dev-dependencies]
 async-attributes = { version = "1.1.2" }
 criterion = "0.4.0"
@@ -55,6 +57,6 @@ harness = false
 
 [features]
 default = ["async-std", "mmap"]
-mmap = ["memmap2"]
+mmap = ["memmap2", "libc"]
 link_to = []
 tokio-runtime = ["tokio", "tokio-stream"]