Support yaml-cpp >= 0.8.0 (#46)

Signed-off-by: Silvio Traversaro <[email protected]>

yaml_cpp_vendor-extras.cmake.in

@@ -11,10 +11,15 @@ find_package(yaml-cpp REQUIRED)
 set(yaml_cpp_vendor_LIBRARIES ${YAML_CPP_LIBRARIES})
 set(yaml_cpp_vendor_INCLUDE_DIRS ${YAML_CPP_INCLUDE_DIR})
 
-list(APPEND yaml_cpp_vendor_TARGETS yaml-cpp)
-if(WIN32)
-  # On Windows, yaml-cpp 0.7.0 requires that downstream consumers set YAML_CPP_DLL and
-  # not yaml_cpp_EXPORT in order to set dllimport properly.
-  # This behavior will likely change in future versions of yaml-cpp.
-  set_target_properties(yaml-cpp PROPERTIES INTERFACE_COMPILE_DEFINITIONS YAML_CPP_DLL)
+# since yaml-cpp 0.8.0, yaml-cpp supports the yaml-cpp::yaml-cpp target
+if(TARGET yaml-cpp::yaml-cpp)
+  list(APPEND yaml_cpp_vendor_TARGETS yaml-cpp::yaml-cpp)
+else()
+  list(APPEND yaml_cpp_vendor_TARGETS yaml-cpp)
+  if(WIN32)
+    # On Windows, yaml-cpp 0.7.0 requires that downstream consumers set YAML_CPP_DLL and
+    # not yaml_cpp_EXPORT in order to set dllimport properly.
+    # This behavior will likely change in future versions of yaml-cpp.
+    set_target_properties(yaml-cpp PROPERTIES INTERFACE_COMPILE_DEFINITIONS YAML_CPP_DLL)
+  endif()
 endif()