fixed 'current scope has no parent' warning

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1010b4f0692c491a38b2ec38c342e6a983ae475a..d75db8fba757747d13c584ff6caf5c08f7c78f1c 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1495,7 +1495,7 @@ ADD_DEFINITIONS(-DHAVE_CONFIG_H)
 # Expose ADDITIONAL_LIBS for projects using libarchive as a subdirectory
 # and linking against archive_static.
 #
-set(LIBARCHIVE_ADDITIONAL_LIBS ${ADDITIONAL_LIBS} PARENT_SCOPE)
+set(LIBARCHIVE_ADDITIONAL_LIBS ${ADDITIONAL_LIBS} CACHE INTERNAL "libarchive dependencies")
 
 #
 # Register installation of PDF documents.