[x265] [PATCH] cmake: Export PLATFORM_LIBS only if x265 has a parent scope

[Pradeep Ramachandran]

# HG changeset patch
# User Pradeep Ramachandran <pradeep at multicorewareinc.com>
# Date 1458185054 -19800
#      Thu Mar 17 08:54:14 2016 +0530
# Node ID cb9a50f36ac6fb5ae60d08f51f4ca27eb9f02eb2
# Parent  b09998b1256ed8e652c4bf2d688cbfab3a84d5cd
cmake: Export PLATFORM_LIBS only if x265 has a parent scope

diff -r b09998b1256e -r cb9a50f36ac6 source/CMakeLists.txt
--- a/source/CMakeLists.txt	Wed Mar 16 14:24:48 2016 +0530
+++ b/source/CMakeLists.txt	Thu Mar 17 08:54:14 2016 +0530
@@ -618,5 +618,10 @@
     endif()
 endif()
 
-LIST(REMOVE_DUPLICATES PLATFORM_LIBS)
-set(PLATFORM_LIBS ${PLATFORM_LIBS} PARENT_SCOPE)
+get_directory_property(hasParent PARENT_DIRECTORY)
+if(hasParent)
+    if(PLATFORM_LIBS)
+        LIST(REMOVE_DUPLICATES PLATFORM_LIBS)
+        set(PLATFORM_LIBS ${PLATFORM_LIBS} PARENT_SCOPE)
+    endif(PLATFORM_LIBS)
+endif(hasParent)
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