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Diffstat (limited to 'Make.rules')
| -rw-r--r-- | Make.rules | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -6,3 +6,33 @@ define add-vendor-sbat $(OBJCOPY) --add-section ".$(patsubst %.csv,%,$(1))=$(1)" $(2) endef + +# true if the strings are the same +define str-eq +$(if $(subst $(1),,$(2)),,$(1)) +endef + +# true if 1 is in 2 +define has-flag +$(if $(findstring $(space)$(1)$(space),$(space)$(2)$(space)),$(1)) +endef + +# true if 1 is not in 2 +define has-not-flag +$(if $(call has-flag,$(1),$(2)),,$(1)) +endef + +# if 1 is set and 2 isn't in the thing named by 3, +# add 4 to the thing named by 3 +define conditional-add-flag +$(if $(and $(strip $(1)),$(strip $(call has-not-flag,$(2),$($(3))))),$(eval override $(value 3) += $(4))) +endef + +# Add everything from DEFAULT_$(1) to $(1) if it isn't there (in whole) +define update-variable +$(strip $(foreach x,$(DEFAULT_$(1)), + $(if $(call has-flag,$(x),$($(1))),, + $(eval override $(1)+=$(x))))) +endef + +# vim:filetype=make |