3441bba1c4
- The library files are now being built into the lib subdirectory of the source. - The linker files for each library are being copied into the lib source subdirectory. Motivation: The relative locations of files in the source directory after make are now the same as after make install now. This makes it easier to reuse examples with their makefiles outside of the libopencm3 sourcecode directory.
128 lines
3.7 KiB
Makefile
128 lines
3.7 KiB
Makefile
##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
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## Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
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## Copyright (C) 2012 Benjamin Vernoux <titanmkd@gmail.com>
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##
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## This library is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU Lesser General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this library. If not, see <http://www.gnu.org/licenses/>.
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##
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PREFIX ?= arm-none-eabi
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#PREFIX ?= arm-elf
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CC = $(PREFIX)-gcc
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LD = $(PREFIX)-gcc
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OBJCOPY = $(PREFIX)-objcopy
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OBJDUMP = $(PREFIX)-objdump
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GDB = $(PREFIX)-gdb
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# Uncomment this line if you want to use the installed (not local) library.
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# TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX)
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TOOLCHAIN_DIR = ../../../..
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CFLAGS += -O2 -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
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-mcpu=cortex-m4 -mthumb -MD \
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-mfloat-abi=hard -mfpu=fpv4-sp-d16
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LDSCRIPT ?= $(BINARY).ld
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LDFLAGS += -L$(TOOLCHAIN_DIR)/lib \
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-T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections -Xlinker -Map=$(BINARY).map
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OBJS += $(BINARY).o
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OOCD ?= openocd
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OOCD_INTERFACE ?= flossjtag
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OOCD_BOARD ?= olimex_stm32_h103
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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else
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LDFLAGS += -Wl,--print-gc-sections
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endif
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.SUFFIXES: .elf .bin .hex .srec .list .images
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.SECONDEXPANSION:
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.SECONDARY:
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all: images
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images: $(BINARY).images
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flash: $(BINARY).flash
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%.images: %.bin %.hex %.srec %.list
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@#echo "*** $* images generated ***"
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%.bin: %.elf
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@#printf " OBJCOPY $(*).bin\n"
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$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin
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%.hex: %.elf
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@#printf " OBJCOPY $(*).hex\n"
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$(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex
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%.srec: %.elf
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@#printf " OBJCOPY $(*).srec\n"
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$(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec
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%.list: %.elf
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@#printf " OBJDUMP $(*).list\n"
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$(Q)$(OBJDUMP) -S $(*).elf > $(*).list
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%.elf: $(OBJS) $(LDSCRIPT) $(TOOLCHAIN_DIR)/lib/libopencm3_lpc43xx.a
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@#printf " LD $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(LD) $(LDFLAGS) -o $(*).elf $(OBJS) -lopencm3_lpc43xx
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%.o: %.c Makefile
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@#printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) $(CFLAGS) -o $@ -c $<
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clean:
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$(Q)rm -f *.o
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$(Q)rm -f *.d
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$(Q)rm -f *.elf
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$(Q)rm -f *.bin
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$(Q)rm -f *.hex
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$(Q)rm -f *.srec
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$(Q)rm -f *.list
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$(Q)rm -f *.map
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# FIXME: Replace STM32 stuff with proper LPC43XX OpenOCD support later.
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ifeq ($(OOCD_SERIAL),)
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "init" -c "reset init" \
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-c "stm32x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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else
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "ft2232_serial $(OOCD_SERIAL)" \
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-c "init" -c "reset init" \
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-c "stm32x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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endif
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.PHONY: images clean
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-include $(OBJS:.o=.d)
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