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build_macros: Add 'add_define_val' macro

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Add a convenience macro to add a build definition with a value.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
This commit is contained in:
Soren Brinkmann 2016-06-09 13:36:27 -07:00
parent 2ba6895919
commit 8eadeb4ade
1 changed files with 7 additions and 0 deletions
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7
make_helpers/build_macros.mk
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@ -68,6 +68,13 @@ define add_define
DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
endef endef
# Convenience function for adding build definitions
# $(eval $(call add_define_val,FOO,BAR)) will have:
# -DFOO=BAR
define add_define_val
DEFINES += -D$(1)=$(2)
endef
# Convenience function for verifying option has a boolean value # Convenience function for verifying option has a boolean value
# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 # $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
define assert_boolean define assert_boolean