From 323fa1eee8a35553fadd2b627012641fc4a26817 Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Mon, 27 Apr 2026 09:48:44 +0100
Subject: [PATCH] Update systemd-dev installation instructions in BUILD.md
 [skip ci]

Clarified instructions for installing systemd-dev and added a dry-run command for safety.
---
 BUILD.md | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/BUILD.md b/BUILD.md
index 5b16c4ad..4f52a56b 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -83,10 +83,13 @@ If you are building classic Shairport Sync, the list of packages is shorter:
     libpopt-dev libconfig-dev libasound2-dev avahi-daemon libavahi-client-dev libssl-dev libsoxr-dev \
     libavutil-dev libavcodec-dev libavformat-dev
 ```
-Building on Ubuntu 24.10 or Debian 13 ("Trixie") and later – and possibly on other distributions – requires `systemd-dev`. Be very careful here if you are using backports -- there is a [report](https://github.com/mikebrady/shairport-sync/issues/2195#issuecomment-4325326002) that installing `systemd-dev` on a backported system can severely damage it:
-
+Building on Ubuntu 24.10 or Debian 13 ("Trixie") and later – and possibly on other distributions – requires `systemd-dev`. Be very careful here if you are using backports -- there is a [report](https://github.com/mikebrady/shairport-sync/issues/2195#issuecomment-4325326002) that installing `systemd-dev` on a backported system can severely damage it. 
 ```
-# apt install --no-install-recommends systemd-dev # it's okay if this fails because the package doesn't exist
+$ apt install --dry-run --no-install-recommends systemd-dev
+```
+Only if that looks okay, proceed to:
+```
+# apt install --no-install-recommends systemd-dev 
 ```
 
 ### Fedora (Fedora 40)