runtime(doc): fix GTK4 package name in src/INSTALL

The GTK4 section in src/INSTALL pointed at libgtk-3-dev. Use
libgtk-4-dev and note that GTK4 is not the default and requires
--enable-gui=gtk4.

closes: #20254

Signed-off-by: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/src/INSTALL b/src/INSTALL
index 96f32607fc90d6bc71cdc9a5fb06926b7d622070..054df8ac2460c6e5557c8cdfa04c9e2059b33911 100644 (file)
--- a/src/INSTALL
+++ b/src/INSTALL
@@ -70,7 +70,9 @@ To build Vim on Ubuntu from scratch on a clean system using git:
        % make reconfig
 
        Add GUI (GTK4) support:
-       % sudo apt install libgtk-3-dev
+       % sudo apt install libgtk-4-dev
+       (GTK4 is not the default; configure with
+        --enable-gui=gtk4 to select it.)
        % make reconfig
 
        Add Python 3 support: