diff options
| author | Ayke van Laethem | 2017-10-12 00:44:24 +0200 |
|---|---|---|
| committer | Damien George | 2018-07-18 17:12:25 +1000 |
| commit | 38afc6553c85aa232ec6e2e5b4801cec2c8e0d49 (patch) | |
| tree | ab0f9a1c18f9790c98f64fd766cb4d58c88b0ebd | |
| parent | a1116771b0c3f6b71e23e784609cc5deb1e2f3ea (diff) | |
nrf: Use --gc-sections to reduce code size
This saves about 6-7kB.
| -rw-r--r-- | ports/nrf/Makefile | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ports/nrf/Makefile b/ports/nrf/Makefile index 5bc36cade..ca22e093c 100644 --- a/ports/nrf/Makefile +++ b/ports/nrf/Makefile @@ -65,7 +65,7 @@ NRF_DEFINES += -DCONFIG_GPIO_AS_PINRESET CFLAGS_CORTEX_M = -mthumb -mabi=aapcs -fsingle-precision-constant -Wdouble-promotion -CFLAGS_MCU_m4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections +CFLAGS_MCU_m4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard CFLAGS_MCU_m0 = $(CFLAGS_CORTEX_M) --short-enums -mtune=cortex-m0 -mcpu=cortex-m0 -mfloat-abi=soft -fno-builtin @@ -74,12 +74,14 @@ CFLAGS += $(CFLAGS_MCU_$(MCU_SERIES)) CFLAGS += $(INC) -Wall -Werror -ansi -std=gnu99 -nostdlib $(COPT) $(NRF_DEFINES) $(CFLAGS_MOD) CFLAGS += -fno-strict-aliasing CFLAGS += -fstack-usage +CFLAGS += -fdata-sections -ffunction-sections CFLAGS += -Iboards/$(BOARD) CFLAGS += -DNRF5_HAL_H='<$(MCU_VARIANT)_hal.h>' LDFLAGS = $(CFLAGS) LDFLAGS += -Xlinker -Map=$(@:.elf=.map) LDFLAGS += -mthumb -mabi=aapcs -T $(LD_FILE) -L boards/ +LDFLAGS += -Wl,--gc-sections #Debugging/Optimization ifeq ($(DEBUG), 1) |