From 7bcc66be0d3224c6971143143eace7e3c0864a12 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Thu, 6 Jul 2023 00:50:45 +0200
Subject: [PATCH] Avoid warning "current scope has no parent"

---
 cmake/modules/LibraryTarget.cmake | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/cmake/modules/LibraryTarget.cmake b/cmake/modules/LibraryTarget.cmake
index 118beb1..e955e53 100644
--- a/cmake/modules/LibraryTarget.cmake
+++ b/cmake/modules/LibraryTarget.cmake
@@ -530,9 +530,12 @@ if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
         COMPONENT cmake-config)
 
     # allow checking for the export in subsequent sibling projects/directories
-    set("EXPORT_${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}"
-        ON
-        PARENT_SCOPE)
+    get_directory_property(HAS_PARENT_DIRECTORY PARENT_DIRECTORY)
+    if (HAS_PARENT_DIRECTORY)
+        set("EXPORT_${NAMESPACE_PREFIX}${META_PROJECT_NAME}${META_CONFIG_SUFFIX}"
+            ON
+            PARENT_SCOPE)
+    endif ()
 
     # add install target for header files
     if (NOT META_IS_PLUGIN)