1 files changed, 3 insertions, 1 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 982dcae7bbe2..936940b541f9 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -144,7 +144,9 @@ ld-option = $(call try-run,\
 build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
 # Prefix -I with $(srctree) if it is not an absolute path.
-addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+# skip if -I has no parameter
+addtree = $(if $(patsubst -I%,%,$(1)), \
+$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1))
 # Find all -I options and call addtree
 flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 982dcae7bbe2..936940b541f9 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include
@@ -144,7 +144,9 @@ ld-option = $(call try-run,\
144	build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj	144	build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
145		145
146	# Prefix -I with $(srctree) if it is not an absolute path.	146	# Prefix -I with $(srctree) if it is not an absolute path.
147	addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)	147	# skip if -I has no parameter
		148	addtree = $(if $(patsubst -I%,%,$(1)), \
		149	$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1))
148		150
149	# Find all -I options and call addtree	151	# Find all -I options and call addtree
150	flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))	152	flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))