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-rw-r--r--include/image.mk12
1 files changed, 1 insertions, 11 deletions
diff --git a/include/image.mk b/include/image.mk
index cebe42e9d0..5ef800234b 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -18,17 +18,7 @@ KDIR=$(KERNEL_BUILD_DIR)
KDIR_TMP=$(KDIR)/tmp
DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
-define toupper
-$(shell echo $(1) | tr '[:lower:]' '[:upper:]')
-endef
-
-define tolower
-$(shell echo $(1) | tr '[:upper:]' '[:lower:]')
-endef
-
-define sanitize
-$(shell echo $(call tolower,$(1)) | sed 's/_/-/g')
-endef
+sanitize = $(call tolower,$(subst _,-,$(1)))
DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))