From 863cf59f9c9f8452a2a203f0873584a3bce0488c Mon Sep 17 00:00:00 2001
From: Andrei Astafev <dev@246060.ru>
Date: Thu, 28 Mar 2024 11:02:32 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9E=D0=B1=D0=BD=D0=BE=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5=20MyxCMake?=
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---
 cmake/myx/lib/ProjectIsTopLevel.cmake | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 cmake/myx/lib/ProjectIsTopLevel.cmake

diff --git a/cmake/myx/lib/ProjectIsTopLevel.cmake b/cmake/myx/lib/ProjectIsTopLevel.cmake
new file mode 100644
index 0000000..eabd67e
--- /dev/null
+++ b/cmake/myx/lib/ProjectIsTopLevel.cmake
@@ -0,0 +1,15 @@
+include_guard(GLOBAL)
+
+# Установка переменной, определяющей находится ли текущий
+# проект на верхнем уровне.
+# (Файл перемещён из каталога backports в lib для myx_download_content)
+#
+if(${CMAKE_VERSION} VERSION_LESS 3.21)
+  get_property(pd DIRECTORY PROPERTY PARENT_DIRECTORY)
+  if(NOT pd)
+    set(PROJECT_IS_TOP_LEVEL TRUE)
+  else()
+    set(PROJECT_IS_TOP_LEVEL FALSE)
+  endif()
+  unset(pd)
+endif()