* math/Makefile (distribute): Don't add generated files.
generated += $(foreach s,.c .S l.c l.S f.c f.S,$(calls:s_%=m_%$s))
routines = $(calls) $(calls:=f) $(long-c-$(long-double-fcts))
long-c-yes = $(calls:=l)
-distribute += $(long-m-yes:=.c) $(long-c-yes:=.c)
+distribute += $(filter-out $(generated),$(long-m-yes:=.c) $(long-c-yes:=.c))
# Rules for the test suite.
tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \