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| author | Rob Austein <sra@hactrn.net> | 2016-09-16 15:48:37 -0400 |
|---|---|---|
| committer | Rob Austein <sra@hactrn.net> | 2016-09-16 15:48:37 -0400 |
| commit | fb931dbd29d899a7e9523ee1ea6e11d263b9ad7e (patch) | |
| tree | 47690547660fcd04a6871a03326bc39712809b7d | |
| parent | 01b59c41b8f4c38d6e2205a8ebc08dabf701640f (diff) | |
Change default gcc optimization level to -Og.
| -rw-r--r-- | Makefile | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -85,8 +85,19 @@ export OBJCOPY=$(PREFIX)objcopy export OBJDUMP=$(PREFIX)objdump export SIZE=$(PREFIX)size +# The Alpha is a development platform, so set GCC optimization to a +# level suitable for debugging. Recent versions of GCC have a special +# optimization setting -Og for exactly this purpose, so we use it, along +# with the flag to enable gdb symbols. +# +# If you really want optimization without debugging support, try -O2 or +# (maybe) -O3. + +#STM32_CFLAGS_OPTIMIZATION ?= -O2 +STM32_CFLAGS_OPTIMIZATION ?= -ggdb -Og + # whew, that's a lot of cflags -CFLAGS = -ggdb -O2 -Wall -Warray-bounds #-Wextra +CFLAGS = $(STM32_CFLAGS_OPTIMIZATION) -Wall -Warray-bounds #-Wextra CFLAGS += -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16 CFLAGS += -DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DSTM32F429xx @@ -159,15 +170,16 @@ bootloader: $(BOARD_OBJS) $(LIBS) $(LIBHAL_BLD)/libhal.a .FORCE clean: rm -f $(BOARD_OBJS) + $(MAKE) -C $(LIBHAL_BLD) clean $(MAKE) -C projects/board-test clean $(MAKE) -C projects/cli-test clean $(MAKE) -C projects/rtos-test clean $(MAKE) -C projects/libhal-test clean $(MAKE) -C projects/hsm clean + $(MAKE) -C projects/bootloader clean distclean: clean $(MAKE) -C $(MBED_DIR) clean $(MAKE) -C $(RTOS_DIR) clean - $(MAKE) -C $(LIBHAL_BLD) clean $(MAKE) -C $(LIBTFM_BLD) clean $(MAKE) -C $(LIBCLI_BLD) clean |