diff options
Diffstat (limited to 'LUFA/Build/lufa.dfu.in')
-rw-r--r-- | LUFA/Build/lufa.dfu.in | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/LUFA/Build/lufa.dfu.in b/LUFA/Build/lufa.dfu.in index 8122bfde3..9c05bb7c1 100644 --- a/LUFA/Build/lufa.dfu.in +++ b/LUFA/Build/lufa.dfu.in @@ -36,16 +36,16 @@ LUFA_BUILD_OPTIONAL_VARS += # # ----------------------------------------------------------------------------- -# Sanity-check values of mandatory user-supplied variables -MCU ?= $(error Makefile MCU value not set) -TARGET ?= $(error Makefile TARGET value not set) +ERROR_IF_UNSET = $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set)) +ERROR_IF_EMPTY = $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank)) +ERROR_IF_NONBOOL = $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N)) -ifeq ($(MCU),) - $(error Makefile MCU option cannot be blank) -endif -ifeq ($(TARGET),) - $(error Makefile TARGET option cannot be blank) -endif +# Sanity-check values of mandatory user-supplied variables +$(foreach MANDATORY_VAR, $(LUFA_BUILD_MANDATORY_VARS), $(call ERROR_IF_UNSET, $(MANDATORY_VAR))) +$(call ERROR_IF_UNSET, MCU) +$(call ERROR_IF_UNSET, TARGET) +$(call ERROR_IF_EMPTY, MCU) +$(call ERROR_IF_EMPTY, TARGET) # Output Messages MSG_COPY_CMD := ' [CP] :' |