Lines Matching refs:true
8 # Return "true" if LHS == RHS, otherwise "".
11 streq = $(if $(1),$(if $(subst $(1),,$(2))$(subst $(2),,$(1)),,true),$(if $(2),,true))
15 # Return "true" if LHS != RHS, otherwise "".
16 strneq = $(if $(call streq,$(1),$(2)),,true)
20 # Return "true" if 'list' contains the value 'item'.
21 contains = $(if $(strip $(foreach i,$(1),$(if $(call streq,$(2),$(i)),T,))),true,)
24 # Return "true" if 'a' is a subset of 'b'.
25 is_subset = $(if $(strip $(set_difference $(1),$(2))),,true)
66 # CHECKVALUE: foo: $(call streq,,) - true
80 # Check that a value is true, or give an error including the given message