NO_INSTALL = yes
LIB_MCS_FLAGS = /r:$(corlib) /r:System.dll
-TEST_MCS_FLAGS = /r:Mono.Posix.dll /r:System.dll
+TEST_MCS_FLAGS = /r:Mono.Posix.dll /r:System.dll /r:System.Core.dll
mono_sourcelibs_DIR = $(DESTDIR)$(mono_libdir)/mono-source-libs
mono_options_DATA = Mono.Options/Options.cs