From 0f6fc388ea0c539d783e8f74715b5049112a52f6 Mon Sep 17 00:00:00 2001
From: Anakin Skywalker <hex7c3@gmail.com>
Date: Fri, 5 Feb 2021 20:43:13 +0000
Subject: AddFileDependencies: Avoid leaking temporary variable

Convert `add_file_dependencies` to a function.
Simplify the implementation using `set_property` with `APPEND`.
---
 Modules/AddFileDependencies.cmake | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/Modules/AddFileDependencies.cmake b/Modules/AddFileDependencies.cmake
index 598a52f..c038858 100644
--- a/Modules/AddFileDependencies.cmake
+++ b/Modules/AddFileDependencies.cmake
@@ -9,20 +9,13 @@ Add dependencies to a source file.
 
 .. code-block:: cmake
 
-  ADD_FILE_DEPENDENCIES(<source> <files>)
+  add_file_dependencies(<source> <files>)
 
 Adds the given ``<files>`` to the dependencies of file ``<source>``.
 #]=======================================================================]
 
-macro(ADD_FILE_DEPENDENCIES _file)
+function(add_file_dependencies _file)
 
-  get_source_file_property(_deps ${_file} OBJECT_DEPENDS)
-  if (_deps)
-    set(_deps ${_deps} ${ARGN})
-  else ()
-    set(_deps ${ARGN})
-  endif ()
+  set_property(SOURCE "${_file}" APPEND PROPERTY OBJECT_DEPENDS "${ARGN}")
 
-  set_source_files_properties(${_file} PROPERTIES OBJECT_DEPENDS "${_deps}")
-
-endmacro()
+endfunction()
-- 
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