From 3917cee83c730261662e103d2e8a7ee264c2663c Mon Sep 17 00:00:00 2001
From: Marcel Hernandez <e6990620@gmail.com>
Date: Sat, 3 Jan 2026 15:26:57 +0100
Subject: [PATCH] fix: build on Alpine Linux

Reference: https://github.com/ElementsProject/lightning/commit/53154a40a55ab803ceef0dcc8e62f7424111714a
---
 common/configvar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/configvar.c b/common/configvar.c
index 1148f984b..4a3dff39d 100644
--- a/common/configvar.c
+++ b/common/configvar.c
@@ -4,6 +4,7 @@
 #include <ccan/tal/str/str.h>
 #include <common/configvar.h>
 #include <common/utils.h>
+#include <unistd.h>
 
 struct configvar *configvar_new(const tal_t *ctx,
 				enum configvar_src src,