XBUILD_ENGINE := $(topdir)/class/lib/$(PROFILE)/Microsoft.Build.Engine.dll
XBUILD_UTILITIES := $(topdir)/class/lib/$(PROFILE)/Microsoft.Build.Utilities$(NAME_SUFFIX).dll
XBUILD_TASKS := $(topdir)/class/lib/$(PROFILE)/Mono.XBuild.Tasks.dll
+XBUILD_MSTASKS := $(topdir)/class/lib/$(PROFILE)/Microsoft.Build.Tasks$(NAME_SUFFIX).dll
+ifeq (14.0, $(XBUILD_VERSION))
+XBUILD_MSTASKS := $(topdir)/class/lib/$(PROFILE)/Microsoft.Build.Tasks.Core.dll
+endif
XBUILD_ASSEMBLY_VERSION = $(XBUILD_VERSION).0.0