build_macros: Add 'add_define_val' macro
Add a convenience macro to add a build definition with a value. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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@ -68,6 +68,13 @@ define add_define
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DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
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endef
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# Convenience function for adding build definitions
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# $(eval $(call add_define_val,FOO,BAR)) will have:
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# -DFOO=BAR
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define add_define_val
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DEFINES += -D$(1)=$(2)
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endef
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# Convenience function for verifying option has a boolean value
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# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
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define assert_boolean
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