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nrf: Use micropython libm to save flash

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Using libm from micropython free up about 5.5kb flash on nrf52
targets which have floating point enabled.
This commit is contained in:
Glenn Ruben Bakke 2017-11-15 21:40:47 +01:00 committed by Damien George
parent d9fb8c2585
commit 2b32333f90
1 changed files with 24 additions and 5 deletions
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29
ports/nrf/Makefile
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@ -95,16 +95,35 @@ endif
LIBS = \
ifeq ($(MCU_VARIANT), nrf52)
LIBM_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-file-name=libm.a)
LIBC_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-file-name=libc.a)
LIBGCC_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
LIBS += -L $(dir $(LIBM_FILE_NAME)) -lm
LIBS += -L $(dir $(LIBC_FILE_NAME)) -lc
LIBS += -L $(dir $(LIBGCC_FILE_NAME)) -lgcc
SRC_LIB += $(addprefix lib/,\
libm/math.c \
libm/fmodf.c \
libm/nearbyintf.c \
libm/ef_sqrt.c \
libm/kf_rem_pio2.c \
libm/kf_sin.c \
libm/kf_cos.c \
libm/kf_tan.c \
libm/ef_rem_pio2.c \
libm/sf_sin.c \
libm/sf_cos.c \
libm/sf_tan.c \
libm/sf_frexp.c \
libm/sf_modf.c \
libm/sf_ldexp.c \
libm/asinfacosf.c \
libm/atanf.c \
libm/atan2f.c \
)
endif
SRC_LIB = $(addprefix lib/,\
SRC_LIB += $(addprefix lib/,\
libc/string0.c \
mp-readline/readline.c \
utils/pyexec.c \