From 1efa2de18004d6fdcdf67fdb2aaef1e89837b4ac Mon Sep 17 00:00:00 2001
From: Christoph Neuhauser <c.a.neuhauser@gmail.com>
Date: Fri, 24 Feb 2023 16:34:28 +0100
Subject: [PATCH] fix compatibility with CMake 3.16

---
 CMakeLists.txt | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f59f756..02a879c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -204,10 +204,15 @@ IF(GLSLC AND XXD)
 
 	ADD_CUSTOM_TARGET(BuildShaders ALL DEPENDS ${SHADER_OUTPUTS})
 
-	ADD_CUSTOM_TARGET(ClearShadersHeader
-		COMMAND ${CMAKE_COMMAND} -E rm -f ${SHADERS_H}
-
-	)
+	if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
+		ADD_CUSTOM_TARGET(ClearShadersHeader
+			COMMAND ${CMAKE_COMMAND} -E rm -f ${SHADERS_H}
+		)
+	else()
+		ADD_CUSTOM_TARGET(ClearShadersHeader
+			COMMAND ${CMAKE_COMMAND} -E remove -f ${SHADERS_H}
+		)
+	endif()
 	ADD_CUSTOM_TARGET(BuildShadersHeader
 		DEPENDS ClearShadersHeader ${SHADER_OUTPUTS}
 	)
-- 
2.47.3