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Makefile: Fix lpc176x and stm32f1 builds 

Commit e18501d0 broke the build for targets that added objects to
klipper.elf via adding dependencies.  Rework the build so that it is
possible to add objects to klipper.elf via a new OBJS_klipper.elf
makefile variable.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-03-02 11:26:14 -05:00
parent 309a47c781
commit 9430fea2c5
3 changed files with 17 additions and 17 deletions
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6
Makefile
View File

@ -37,6 +37,8 @@ CFLAGS := -I$(OUT) -Isrc -I$(OUT)board-generic/ -std=gnu11 -O2 -MD -g \
-ffunction-sections -fdata-sections
CFLAGS += -flto -fwhole-program -fno-use-linker-plugin
OBJS_klipper.elf = $(patsubst %.c, $(OUT)src/%.o,$(src-y))
OBJS_klipper.elf += $(OUT)compile_time_request.o
CFLAGS_klipper.elf = $(CFLAGS) -Wl,--gc-sections
CPPFLAGS = -I$(OUT) -P -MD -MT $@
@ -83,9 +85,9 @@ $(OUT)compile_time_request.o: $(patsubst %.c, $(OUT)src/%.o.ctr,$(src-y)) ./scri
$(Q)$(PYTHON) ./scripts/buildcommands.py -d $(OUT)klipper.dict -t "$(CC);$(AS);$(LD);$(OBJCOPY);$(OBJDUMP);$(STRIP)" $(OUT)klipper.compile_time_request $(OUT)compile_time_request.c
$(Q)$(CC) $(CFLAGS) -c $(OUT)compile_time_request.c -o $@
$(OUT)klipper.elf: $(patsubst %.c, $(OUT)src/%.o,$(src-y)) $(OUT)compile_time_request.o
$(OUT)klipper.elf: $(OBJS_klipper.elf)
@echo " Linking $@"
$(Q)$(CC) $(patsubst %.c, $(OUT)src/%.o,$(src-y)) $(OUT)compile_time_request.o $(CFLAGS_klipper.elf) -o $@
$(Q)$(CC) $(OBJS_klipper.elf) $(CFLAGS_klipper.elf) -o $@
$(Q)scripts/check-gcc.sh $@ $(OUT)compile_time_request.o
################ Kconfig rules

15
src/lpc176x/Makefile
View File

@ -9,9 +9,6 @@ dirs-y += lib/lpc176x/device/TOOLCHAIN_GCC_ARM
CFLAGS += -mthumb -mcpu=cortex-m3
CFLAGS += -Ilib/lpc176x/device -Ilib/cmsis-core
CFLAGS_klipper.elf += -T $(OUT)LPC1768.ld
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
# Add source files
src-y += lpc176x/main.c lpc176x/gpio.c
src-$(CONFIG_HAVE_GPIO_ADC) += lpc176x/adc.c
@ -23,21 +20,23 @@ src-y += ../lib/lpc176x/device/system_LPC17xx.c
src-$(CONFIG_USBSERIAL) += lpc176x/usbserial.c generic/usb_cdc.c
src-$(CONFIG_SERIAL) += lpc176x/serial.c generic/serial_irq.c
# Add the TOOLCHAIN_GCC_ARM files to the build
# Add assembler build rules
$(OUT)%.o: %.S
@echo " Assembling $@"
$(Q)$(AS) $< -o $@
asmsrc-y := ../lib/lpc176x/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
OBJS_klipper.elf += $(patsubst %.S, $(OUT)src/%.o,$(asmsrc-y))
$(OUT)klipper.elf: $(patsubst %.S, $(OUT)src/%.o,$(asmsrc-y))
target-y := $(OUT)LPC1768.ld $(target-y)
# Build the linker script
$(OUT)LPC1768.ld: lib/lpc176x/device/TOOLCHAIN_GCC_ARM/LPC1768.ld $(OUT)board-link
@echo " Preprocessing $@"
$(Q)$(CPP) -P -MD -MT $@ -DMBED_APP_START=$(CONFIG_FLASH_START) -DMBED_APP_SIZE="(512K - $(CONFIG_FLASH_START))" $< -o $@
CFLAGS_klipper.elf += -T $(OUT)LPC1768.ld
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
$(OUT)klipper.elf : $(OUT)LPC1768.ld
# Build the additional bin output file
target-y += $(OUT)klipper.bin

13
src/stm32f1/Makefile
View File

@ -12,9 +12,6 @@ CFLAGS += -Ilib/cmsis-core
CFLAGS += -Ilib/cmsis-stm32f1/include -Ilib/hal-stm32f1/include
CFLAGS += -DSTM32F103xB
CFLAGS_klipper.elf += -T $(OUT)stm32f1.ld
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
# Add source files
src-y += stm32f1/main.c stm32f1/gpio.c
src-$(CONFIG_HAVE_GPIO_ADC) += stm32f1/adc.c
@ -24,22 +21,24 @@ src-y += generic/crc16_ccitt.c generic/armcm_irq.c generic/armcm_timer.c
src-y += ../lib/cmsis-stm32f1/source/system_stm32f1xx.c
src-$(CONFIG_USBSERIAL) += stm32f1/usbserial.c generic/usb_cdc.c
src-$(CONFIG_SERIAL) += stm32f1/serial.c generic/serial_irq.c
asmsrc-y = ../lib/cmsis-stm32f1/source/startup_stm32f103xb.s
# Add assembler build rules
$(OUT)%.o: %.s $(OUT)autoconf.h $(OUT)board-link
@echo " Assembling $@"
$(Q)$(AS) $< -o $@
$(OUT)klipper.elf: $(patsubst %.s, $(OUT)src/%.o,$(asmsrc-y))
asmsrc-y = ../lib/cmsis-stm32f1/source/startup_stm32f103xb.s
OBJS_klipper.elf += $(patsubst %.s, $(OUT)src/%.o,$(asmsrc-y))
# Build the linker script
target-y := $(OUT)stm32f1.ld $(target-y)
$(OUT)stm32f1.ld: src/stm32f1/stm32f1.ld $(OUT)board-link
@echo " Preprocessing $@"
$(Q)$(CPP) -P -MD -MT $@ -DFLASH_START=$(CONFIG_FLASH_START) $< -o $@
CFLAGS_klipper.elf += -T $(OUT)stm32f1.ld
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
$(OUT)klipper.elf : $(OUT)stm32f1.ld
# Binary output file rules
target-y += $(OUT)klipper.bin