tests/scripts/options/warn-undefined-variables

   1 #                                                                    -*-perl-*-
   2
   3 $description = "Test the --warn-undefined-variables option.";
   4
   5 $details = "Verify that warnings are printed for referencing undefined variables.";
   6
   7 # Without --warn-undefined-variables, nothing should happen
   8 run_make_test('
   9 EMPTY =
  10 EREF = $(EMPTY)
  11 UREF = $(UNDEFINED)
  12
  13 SEREF := $(EREF)
  14 SUREF := $(UREF)
  15
  16 all: ; @echo ref $(EREF) $(UREF)',
  17               '', 'ref');
  18
  19 # With --warn-undefined-variables, it should warn me
  20 run_make_test(undef, '--warn-undefined-variables',
  21               "#MAKEFILE#:7: warning: undefined variable `UNDEFINED'
  22 #MAKEFILE#:9: warning: undefined variable `UNDEFINED'
  23 ref");
  24
  25 1;