From 2bf5d0bb546ba7034a8a785f9980700e7c894621 Mon Sep 17 00:00:00 2001
From: Sjur N Moshagen <sjurnm@mac.com>
Date: Mon, 26 Feb 2024 12:31:46 +0200
Subject: [PATCH] Add configure test for convert

---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index d6affe5..9f10ec8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,6 +55,12 @@ AS_IF([test x$KBDGEN = xno ],
       [AC_MSG_ERROR([You need kbdgen to build the keyboards. See https://github.com/divvun/kbdgen])
 ])
 
+# `convert` is needed for icon generation, it must be available.
+AC_PATH_PROG([CONVERT], [convert], [no], [$PATH$PATH_SEPARATOR$with_convert])
+AS_IF([test x$CONVERT = xno ],
+      [AC_MSG_ERROR([The ImageMagic command 'convert' is needed for icon generation. Please install ImageMagic using your preferred package manager.])
+])
+
 # List all non-script files processed by Autoconf.
 AC_CONFIG_FILES([Makefile])