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-rw-r--r--ports/esp32/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/esp32/Makefile b/ports/esp32/Makefile
index 48d4b9d5c..3f0e47c17 100644
--- a/ports/esp32/Makefile
+++ b/ports/esp32/Makefile
@@ -23,8 +23,12 @@ CROSS_COMPILE ?= xtensa-esp32-elf-
# paths to ESP IDF and its components
ifeq ($(ESPIDF),)
+ifneq ($(IDF_PATH),)
+ESPIDF = $(IDF_PATH)
+else
$(error Please configure the ESPIDF variable)
endif
+endif
ESPCOMP = $(ESPIDF)/components
ESPTOOL ?= $(ESPCOMP)/esptool_py/esptool/esptool.py