config.cmake: find urdfdom_headers directly, drop target creation

CMakeLists.txt

@@ -72,7 +72,6 @@ add_subdirectory(urdf_parser)
 
 set(PKG_NAME ${PROJECT_NAME})
 set(PKG_LIBRARIES urdfdom_sensor urdfdom_model_state urdfdom_model urdfdom_world)
-set(PKG_DEPENDS urdfdom_headers)
 set(PKG_EXPORTS urdfdom)
 set(cmake_conf_file "cmake/urdfdom-config")
 include(CMakePackageConfigHelpers)

cmake/urdfdom-config.cmake.in

@@ -43,18 +43,8 @@ else()
   find_dependency(TinyXML2 REQUIRED)
   find_dependency(console_bridge REQUIRED)
 endif()
-foreach(dep @PKG_DEPENDS@)
-  if(NOT ${dep}_FOUND)
-    find_dependency(${dep})
-  endif()
-endforeach()
 
-if(NOT TARGET urdfdom_headers::urdfdom_headers)
-  add_library(urdfdom_headers::urdfdom_headers INTERFACE IMPORTED)
-  set_target_properties(urdfdom_headers::urdfdom_headers PROPERTIES
-    INTERFACE_INCLUDE_DIRECTORIES "${urdfdom_headers_INCLUDE_DIRS}"
-  )
-endif()
+find_dependency(urdfdom_headers REQUIRED)
 list(APPEND @PKG_NAME@_INCLUDE_DIRS "${urdfdom_headers_INCLUDE_DIRS}")
 
 foreach(exp @PKG_EXPORTS@)