[make][macro] Add definition of TOBOOL macro

This macro converts specified variable to boolean true or false. Change-Id: I8e5a58a8bd0e241ac666213c931f596110bd08df
hustwbxs · Mar 20, 2015 · 8ea0826 · 8ea0826
1 parent 833b355
commit 8ea0826
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/make/macros.mk b/make/macros.mk
@@ -7,6 +7,9 @@ MKDIR = if [ ! -d $(dir $@) ]; then mkdir -p $(dir $@); fi
 # prepends the BUILD_DIR var to each item in the list
 TOBUILDDIR = $(addprefix $(BUILDDIR)/,$(1))
 
+# converts specified variable to boolean value
+TOBOOL = $(if $(filter-out 0 false,$1),true,false)
+
 COMMA := ,
 SPACE :=
 SPACE +=