summaryrefslogtreecommitdiff
path: root/examples/make.mk
diff options
context:
space:
mode:
authorhathach <[email protected]>2019-05-29 16:56:26 +0700
committerhathach <[email protected]>2019-05-29 16:56:26 +0700
commit90fea785c6aa60fdfd398fee262bb06c69a010b7 (patch)
tree29076d760ec54c3da10b6922e7123c3754650748 /examples/make.mk
parenta619511631ea3ece5d419c5503b26d973c7016fa (diff)
use adafruit-nrfutil dfu as default flash target for feather nrf52840
Diffstat (limited to 'examples/make.mk')
-rw-r--r--examples/make.mk7
1 files changed, 7 insertions, 0 deletions
diff --git a/examples/make.mk b/examples/make.mk
index 73e339d84..6706294ad 100644
--- a/examples/make.mk
+++ b/examples/make.mk
@@ -14,6 +14,13 @@ CP = cp
RM = rm
PYTHON ?= python
+check_defined = \
+ $(strip $(foreach 1,$1, \
+ $(call __check_defined,$1,$(strip $(value 2)))))
+__check_defined = \
+ $(if $(value $1),, \
+ $(error Undefined make flag: $1$(if $2, ($2))))
+
# Select the board to build for.
ifeq ($(BOARD),)
$(info You must provide a BOARD parameter with 'BOARD=')