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>
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 5171ff0..19b88ad 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -68,6 +68,13 @@
DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
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
# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
define assert_boolean