edit 'CMakeLists.txt' - no SYSTEM for targets

Signed-off-by: StoneyDSP <nathanjhood@googlemail.com>

CMakeLists.txt

@@ -56,6 +56,9 @@ set_target_properties(dep
     VERSION "${RACK_SDK_VERSION_MAJOR}.${RACK_SDK_VERSION_MINOR}.${RACK_SDK_VERSION_PATCH}"
     SOVERSION "${RACK_SDK_VERSION_MAJOR}.${RACK_SDK_VERSION_MINOR}.${RACK_SDK_VERSION_PATCH}"
 
+    EXPORT_NO_SYSTEM TRUE
+    SYSTEM FALSE
+
     RUNTIME_OUTPUT_DIRECTORY "bin"
     LIBRARY_OUTPUT_DIRECTORY "lib"
     ARCHIVE_OUTPUT_DIRECTORY "lib"
@@ -191,6 +194,9 @@ set_target_properties(core
     VERSION "${RACK_SDK_VERSION_MAJOR}.${RACK_SDK_VERSION_MINOR}.${RACK_SDK_VERSION_PATCH}"
     SOVERSION "${RACK_SDK_VERSION_MAJOR}.${RACK_SDK_VERSION_MINOR}.${RACK_SDK_VERSION_PATCH}"
 
+    EXPORT_NO_SYSTEM TRUE
+    SYSTEM FALSE
+
     RUNTIME_OUTPUT_DIRECTORY "bin"
     LIBRARY_OUTPUT_DIRECTORY "lib"
     ARCHIVE_OUTPUT_DIRECTORY "lib"
@@ -427,7 +433,7 @@ set_target_properties(lib
 
     ENABLE_EXPORTS TRUE
     EXPORT_NO_SYSTEM TRUE
-    IMPORTED_NO_SYSTEM TRUE
+    SYSTEM FALSE
 
     INTERFACE_COMPILE_FEATURES "cxx_std_11;c_std_11"
     INTERFACE_COMPILE_OPTIONS "-fPIC"
@@ -589,7 +595,7 @@ set_target_properties(unofficial-vcvrack::rack-sdk::lib PROPERTIES
     SOVERSION "@RACK_SDK_VERSION_MAJOR@.@RACK_SDK_VERSION_MINOR@.@RACK_SDK_VERSION_PATCH@"
     ENABLE_EXPORTS TRUE
     EXPORT_NO_SYSTEM TRUE
-    IMPORTED_NO_SYSTEM
+    SYSTEM FALSE
     INTERFACE_COMPILE_FEATURES "cxx_std_11;c_std_11"
     INTERFACE_COMPILE_OPTIONS "-fPIC"
     INTERFACE_INCLUDE_DIRECTORIES "${_IMPORT_PREFIX}/include"