esp-idf/components/newlib/component.mk

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2016-08-17 11:08:22 -04:00
ifeq ($(GCC_NOT_5_2_0), 1)
ifdef CONFIG_NEWLIB_NANO_FORMAT
LIBC := c_nano
else # CONFIG_NEWLIB_NANO_FORMAT
LIBC := c
endif # CONFIG_NEWLIB_NANO_FORMAT
# Order of linking matters: libnewlib.a should go before libc.a
COMPONENT_ADD_LDFLAGS := -lnewlib -l$(LIBC) -lm
COMPONENT_ADD_INCLUDEDIRS := platform_include
ifdef CONFIG_SPIRAM_CACHE_WORKAROUND
COMPONENT_ADD_LDFRAGMENTS := esp32-spiram-rom-functions-c.lf
endif
# Forces the linker to include locks, heap, and syscalls from this component,
# instead of the implementations provided by newlib.
COMPONENT_ADD_LDFLAGS += -u newlib_include_locks_impl
COMPONENT_ADD_LDFLAGS += -u newlib_include_heap_impl
COMPONENT_ADD_LDFLAGS += -u newlib_include_syscalls_impl
else # GCC_NOT_5_2_0
# Remove this section when GCC 5.2.0 is no longer supported
ifdef CONFIG_SPIRAM_CACHE_WORKAROUND
LIBC_PATH := $(COMPONENT_PATH)/lib/libc-psram-workaround.a
LIBM_PATH := $(COMPONENT_PATH)/lib/libm-psram-workaround.a
COMPONENT_ADD_LDFRAGMENTS := esp32-spiram-rom-functions-psram-workaround.lf
else
ifdef CONFIG_NEWLIB_NANO_FORMAT
LIBC_PATH := $(COMPONENT_PATH)/lib/libc_nano.a
else
LIBC_PATH := $(COMPONENT_PATH)/lib/libc.a
endif # CONFIG_NEWLIB_NANO_FORMAT
LIBM_PATH := $(COMPONENT_PATH)/lib/libm.a
endif # CONFIG_SPIRAM_CACHE_WORKAROUND
COMPONENT_ADD_LDFLAGS := $(LIBC_PATH) $(LIBM_PATH) -lnewlib
COMPONENT_ADD_LINKER_DEPS := $(LIBC_PATH) $(LIBM_PATH)
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COMPONENT_ADD_INCLUDEDIRS := platform_include include
endif # GCC_NOT_5_2_0
COMPONENT_ADD_LDFRAGMENTS += newlib.lf
heap.o: CFLAGS += -fno-builtin