From a3e32d81c5292c304b85efeeb3cf2227d6ddf191 Mon Sep 17 00:00:00 2001
From: 20kdc <asdd2808@gmail.com>
Date: Sun, 5 Sep 2021 18:57:40 +0100
Subject: [PATCH] Add hint to error message on how to build with in-tree
 Irrlicht

---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65c6bf6c3..1995f34b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,7 +86,8 @@ else()
 	if(NOT TARGET IrrlichtMt::IrrlichtMt)
 		string(CONCAT explanation_msg
 			"The Minetest team has forked Irrlicht to make their own customizations. "
-			"It can be found here: https://github.com/minetest/irrlicht")
+			"It can be found here: https://github.com/minetest/irrlicht\n"
+			"For example use: git clone --depth=1 https://github.com/minetest/irrlicht lib/irrlichtmt\n")
 		if(BUILD_CLIENT)
 			message(FATAL_ERROR "IrrlichtMt is required to build the client, but it was not found.\n${explanation_msg}")
 		endif()