From 08f3b20d88dcc50b891e2cc36b7c92d312856a57 Mon Sep 17 00:00:00 2001
From: Linn Mattsson <linma@cendio.se>
Date: Mon, 11 Dec 2023 14:07:54 +0100
Subject: [PATCH] Clarify details about requirements in BUILDING.txt

---
 BUILDING.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/BUILDING.txt b/BUILDING.txt
index 8ddf845d..d475dc42 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -11,6 +11,8 @@ Build Requirements (All Systems)
 
 -- gcc
 
+Development kits for the following packages:
+
 -- zlib
 
 -- pixman
@@ -46,7 +48,9 @@ Build Requirements (Unix)
    * All build requirements Xorg imposes (see its documentation)
    * patch
 
--- Optional ffmpeg support (libav)
+-- Optional ffmpeg development kit support (libav)
+   * You might have to enable additional repositories for this. E.g.,
+     on RHEL, EPEL and RPMFusion (free + nonfree) need to be enabled.
 
 ============================
 Build Requirements (Windows)
-- 
2.39.5