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Merge pull request #15050 from chrysn-pull-requests/clang-gets-explicit-mfloat

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makefiles: Pass explicit float mode to clang
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Francisco 2020-09-25 12:16:21 +02:00 committed by GitHub
commit f69d6d042e
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1 changed files with 5 additions and 10 deletions
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15
makefiles/arch/cortexm.inc.mk
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@ -61,18 +61,13 @@ endif # BUILD_IN_DOCKER
CFLAGS += -DCPU_MODEL_$(call uppercase_and_underscore,$(CPU_MODEL))
CFLAGS += -DCPU_CORE_$(call uppercase_and_underscore,$(CPU_CORE))
# Add corresponding FPU CFLAGS
# clang assumes there is an FPU, no CFLAGS necessary
ifneq (llvm, $(TOOLCHAIN))
ifeq ($(CPU_CORE),cortex-m7)
_CORTEX_HW_FPU_CFLAGS = -mfloat-abi=hard -mfpu=fpv5-sp-d16
else
_CORTEX_HW_FPU_CFLAGS = -mfloat-abi=hard -mfpu=fpv4-sp-d16
endif
endif
# Add soft or hard FPU CFLAGS depending on the module
ifneq (,$(filter cortexm_fpu,$(USEMODULE)))
CFLAGS_FPU ?= $(_CORTEX_HW_FPU_CFLAGS)
ifeq ($(CPU_CORE),cortex-m7)
CFLAGS_FPU ?= -mfloat-abi=hard -mfpu=fpv5-sp-d16
else
CFLAGS_FPU ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
endif
else
CFLAGS_FPU ?= -mfloat-abi=soft
endif