-ifeq (1.0, $(FRAMEWORK_VERSION))
-LIBRARY_NAME = dummy-Microsoft.Build.Utilities.dll
-NO_INSTALL = yes
-NO_TEST = yes
-NO_SIGN_ASSEMBLY = yes
+BUILD_FRAMEWORK = Microsoft.Build.Framework.dll
+
+ifeq (3.5, $(FRAMEWORK_VERSION))
+LIBRARY_NAME = Microsoft.Build.Utilities.v3.5.dll
+BUILD_FRAMEWORK := $(topdir)/class/lib/$(PROFILE)/$(BUILD_FRAMEWORK)
+else
+ifeq (4, $(FRAMEWORK_VERSION_MAJOR))
+LIBRARY_NAME = Microsoft.Build.Utilities.v4.0.dll
+endif