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cpu/Makefile.include.cortexm_common: don't use cortex-m0plus for clang if unsupported

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Cenk Gündoğan 2015-09-16 21:41:58 +02:00
parent d2541c84cc
commit 32ff8e30e1
1 changed files with 13 additions and 0 deletions
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13
cpu/Makefile.include.cortexm_common
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@ -11,6 +11,19 @@ export USEMODULE += newlib
# set default for CPU_MODEL
export CPU_MODEL ?= $(CPU)
# Temporary LLVM/Clang Workaround:
# report cortex-m0 instead of cortex-m0plus if llvm/clang (<= 3.6.2) is used
# llvm/clang version 3.6.2 still does not support the cortex-m0plus mcpu type
ifeq (llvm,$(TOOLCHAIN))
ifeq (cortex-m0plus,$(CPU_ARCH))
LLVM_UNSUP = $(shell clang -target arm-none-eabi -mcpu=$(CPU_ARCH) -c -x c /dev/null -o /dev/null \
> /dev/null 2>&1 || echo 1 )
ifeq (1,$(LLVM_UNSUP))
CPU_ARCH = cortex-m0
endif
endif
endif
# export the CPU model and architecture
MODEL = $(shell echo $(CPU_MODEL) | tr 'a-z' 'A-Z')
export CFLAGS += -DCPU_MODEL_$(MODEL)