all: Makefile
$(top_builddir)/Kyuafile: $(top_srcdir)/Kyuafile
test "$<" = "$@" || cp $< $@
test "$(top_srcdir)/Kyuafile" = "$(top_builddir)/Kyuafile" || cp $(top_srcdir)/Kyuafile $(top_builddir)/Kyuafile
check: $(top_builddir)/Kyuafile
export UBSAN_OPTIONS=print_stacktrace=1:halt_on_error=1:suppressions=$(top_srcdir)/UndefinedBehaviour.suppress; \