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-rw-r--r--usr/include/Makefile4
1 files changed, 1 insertions, 3 deletions
diff --git a/usr/include/Makefile b/usr/include/Makefile
index 1fb6abe29b2f..05c71ef42f51 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -115,6 +115,4 @@ header-test-y += $(filter-out $(header-test-), \
$(patsubst $(obj)/%,%, $(wildcard \
$(addprefix $(obj)/, *.h */*.h */*/*.h */*/*/*.h))))
-# For GNU Make <= 4.2.1, $(wildcard $(obj)/*/) matches to not only directories
-# but also regular files. Use $(filter %/, ...) just in case.
-clean-dirs += $(patsubst $(obj)/%/,%,$(filter %/, $(wildcard $(obj)/*/)))
+clean-files += $(filter-out Makefile, $(notdir $(wildcard $(obj)/*)))