Fix unusual error when printing target properties on edge-case import…

…ed interface libraries.

cmake/PrintTargetProperties.cmake

@@ -5,13 +5,12 @@ cmake_minimum_required(VERSION 3.14)
 
 # Get all propreties that cmake supports
 execute_process(COMMAND cmake --help-property-list OUTPUT_VARIABLE CMAKE_PROPERTY_LIST)
-list(APPEND CMAKE_PROPERTY_LIST IMPORTED_LOCATION IMPORTED_LOCATION_RELEASE IMPORTED_LOCATION_DEBUG)
+
 # Convert command output into a CMake list
 STRING(REGEX REPLACE ";" "\\\\;" CMAKE_PROPERTY_LIST "${CMAKE_PROPERTY_LIST}")
 STRING(REGEX REPLACE "\n" ";" CMAKE_PROPERTY_LIST "${CMAKE_PROPERTY_LIST}")
 # Fix https://stackoverflow.com/questions/32197663/how-can-i-remove-the-the-location-property-may-not-be-read-from-target-error-i
-#list(FILTER CMAKE_PROPERTY_LIST EXCLUDE REGEX "^LOCATION$|^LOCATION_|_LOCATION$")
-
+list(FILTER CMAKE_PROPERTY_LIST EXCLUDE REGEX "^LOCATION$|^LOCATION_|_LOCATION$")
 # For some reason, "TYPE" shows up twice - others might too?
 list(REMOVE_DUPLICATES CMAKE_PROPERTY_LIST)
 
@@ -26,16 +25,12 @@ foreach(prop ${CMAKE_PROPERTY_LIST})
 endforeach()
 
 function(print_properties)
-    foreach(prop ${CMAKE_PROPERTY_LIST})
-        message(${prop})
-    endforeach()
-endfunction(print_properties)
+    message ("CMAKE_PROPERTY_LIST = ${CMAKE_PROPERTY_LIST}")
+endfunction()
 
 function(print_whitelisted_properties)
-    foreach(prop ${CMAKE_WHITELISTED_PROPERTY_LIST})
-        message(${prop})
-    endforeach()
-endfunction(print_whitelisted_properties)
+    message ("CMAKE_WHITELISTED_PROPERTY_LIST = ${CMAKE_WHITELISTED_PROPERTY_LIST}")
+endfunction()
 
 function(print_target_properties tgt)
     if(NOT TARGET ${tgt})
@@ -44,7 +39,7 @@ function(print_target_properties tgt)
     endif()
 
     get_target_property(target_type ${tgt} TYPE)
-    if(target_type MATCHES "INTERFACE" OR target_type MATCHES "EXECUTABLE")
+    if(target_type MATCHES "INTERFACE_LIBRARY" OR target_type MATCHES "EXECUTABLE")
         set(PROP_LIST ${CMAKE_WHITELISTED_PROPERTY_LIST})
     else()
         set(PROP_LIST ${CMAKE_PROPERTY_LIST})
@@ -58,5 +53,5 @@ function(print_target_properties tgt)
             get_target_property(propval ${tgt} ${prop})
             message (STATUS "${tgt} ${prop} = ${propval}")
         endif()
-    endforeach(prop)
-endfunction(print_target_properties)
+    endforeach()
+endfunction()