From 8c47be28cc2e5d45c53a089b681257c0b8387964 Mon Sep 17 00:00:00 2001
From: Sebastian Holtermann <sebholt@xwmw.org>
Date: Wed, 15 May 2019 12:59:23 +0200
Subject: UseJava: Use ADDITIONAL_CLEAN_FILES for cleaning

Replace use of the deprecated `ADDITIONAL_MAKE_CLEAN_FILES` directory property
with the new `ADDITIONAL_CLEAN_FILES` directory property.
---
 Modules/UseJava.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/UseJava.cmake b/Modules/UseJava.cmake
index b0315b2..0798488 100644
--- a/Modules/UseJava.cmake
+++ b/Modules/UseJava.cmake
@@ -735,7 +735,8 @@ function(add_jar _TARGET_NAME)
     # this INTERFACE library depends on jar generation
     add_dependencies (${_GENERATE_NATIVE_HEADERS_TARGET} ${_TARGET_NAME})
 
-    set_property (DIRECTORY PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${_GENERATE_NATIVE_HEADERS_OUTPUT_DIR}")
+    set_property (DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES
+      "${_GENERATE_NATIVE_HEADERS_OUTPUT_DIR}")
   endif()
 endfunction()
 
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