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-rw-r--r--scripts/Makefile.lib9
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 260bf8acfce9..54be19a0fa51 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -159,6 +159,15 @@ dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
modname-multi = $(sort $(foreach m,$(multi-used),\
$(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
+# Useful for describing the dependency of composite objects
+# Usage:
+# $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
+define multi_depend
+$(foreach m, $(notdir $1), \
+ $(eval $(obj)/$m: \
+ $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
+endef
+
ifdef REGENERATE_PARSERS
# GPERF