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-rw-r--r--core/definitions.mk6
1 files changed, 4 insertions, 2 deletions
diff --git a/core/definitions.mk b/core/definitions.mk
index 6fd4b99..f0de65e 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1833,8 +1833,10 @@ endif
# spare area for each page).
# $(1): the partition data size
define image-size-from-data-size
-$(shell echo $$(($(1) / $(BOARD_NAND_PAGE_SIZE) * \
- ($(BOARD_NAND_PAGE_SIZE)+$(BOARD_NAND_SPARE_SIZE)))))
+$(strip $(eval _isfds_value := $$(shell echo $$$$(($(1) / $(BOARD_NAND_PAGE_SIZE) * \
+ ($(BOARD_NAND_PAGE_SIZE)+$(BOARD_NAND_SPARE_SIZE))))))\
+$(if $(filter 0, $(_isfds_value)),$(shell echo $$(($(BOARD_NAND_PAGE_SIZE)+$(BOARD_NAND_SPARE_SIZE)))),$(_isfds_value))\
+$(eval _isfds_value :=))
endef
# $(1): The file(s) to check (often $@)