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make: newlib: check if newlib nano folder was found

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This commit is contained in:
Kaspar Schleiser 2019-03-08 18:47:23 +01:00
parent 65fd51c048
commit 87326c7b77
1 changed files with 5 additions and 0 deletions
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5
makefiles/libc/newlib.mk
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@ -93,6 +93,11 @@ ifeq (1,$(USE_NEWLIB_NANO))
NEWLIB_NANO_INCLUDE_DIR ?= $(firstword $(wildcard $(NEWLIB_INCLUDE_DIR)/newlib-nano \
$(NEWLIB_INCLUDE_DIR)/newlib/nano \
$(NEWLIB_INCLUDE_DIR)/nano))
ifeq (,$(NEWLIB_NANO_INCLUDE_DIR))
$(error USE_NEWLIB_NANO==1 but nano include folder not found!)
endif
# newlib-nano overrides newlib.h and its include dir should therefore go before
# the regular system include dirs.
INCLUDES := -isystem $(NEWLIB_NANO_INCLUDE_DIR) $(INCLUDES)