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-rw-r--r--atmel-samd/Makefile6
1 files changed, 4 insertions, 2 deletions
diff --git a/atmel-samd/Makefile b/atmel-samd/Makefile
index 9e3a10bd8..913461261 100644
--- a/atmel-samd/Makefile
+++ b/atmel-samd/Makefile
@@ -145,9 +145,11 @@ CFLAGS += -DMICROPY_MODULE_FROZEN_STR
CFLAGS += -Wno-error=lto-type-mismatch
endif
-ifneq ($(FROZEN_MPY_DIR),)
# To use frozen bytecode, put your .py files in a subdirectory (eg frozen/) and
-# then invoke make with FROZEN_MPY_DIR=frozen (be sure to build from scratch).
+# then invoke make with FROZEN_MPY_DIR=frozen or FROZEN_MPY_DIRS="dir1 dir2"
+# (be sure to build from scratch).
+
+ifneq ($(FROZEN_MPY_DIRS),)
CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool
CFLAGS += -DMICROPY_MODULE_FROZEN_MPY
CFLAGS += -Wno-error=lto-type-mismatch