5fc0575e99
Historically $(OBJECTDIR) was created when Makefile.include is read. A consequence is that combining "clean" with "all" (or any other build target) results in an error because the clean removes the object directory that is required to exist when building dependencies. Creating $(OBJECTDIR) on-demand ensures it is present when needed. Removed creation of $(OBJECTDIR) on initial read, and added an order-only dependency forcing its creation all Makefile* rules where the target is explicitly or implicitly in $(OBJECTDIR).
120 lines
3.5 KiB
Makefile
120 lines
3.5 KiB
Makefile
# -*- makefile -*-
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# Adapted from Makefile.msp430
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# Adapted from Makefile.at91sam7
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### Define the CPU directory
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CONTIKI_CPU=$(CONTIKI)/cpu/mc1322x
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### Define the source files we have in the AT91SAM7S port
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CONTIKI_CPU_DIRS = . lib src board dev ../arm/common/dbg-io
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MC1322X = debug-uart.c rtimer-arch.c watchdog.c contiki-maca.c contiki-misc.c leds-arch.c leds.c contiki-uart.c slip-uart1.c init.c config.c
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DBG_IO = dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c
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CPU_LIBS = $(notdir $(wildcard $(CONTIKI_CPU)/lib/*.c))
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CPU_SRCS = $(notdir $(wildcard $(CONTIKI_CPU)/src/*.c)) $(notdir $(wildcard $(CONTIKI_CPU)/src/*.S))
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CONTIKI_TARGET_SOURCEFILES += $(MC1322X) $(DBG_IO) $(CPU_LIBS) $(CPU_SRCS) $(SYSAPPS) $(ELFLOADER) \
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$(TARGETLIBS) $(UIPDRIVERS) $(USB)
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CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
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THREADS =
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CROSS_COMPILE ?= arm-none-eabi-
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CROSS ?= $(CROSS_COMPILE)
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### Compiler definitions
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CC = $(CROSS)gcc
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LD = $(CROSS)gcc
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AS = $(CROSS)as
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AR = $(CROSS)ar
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NM = $(CROSS)nm
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OBJCOPY = $(CROSS)objcopy
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STRIP = $(CROSS)strip
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PROJECT_OBJECTFILES += ${addprefix $(OBJECTDIR)/,$(CONTIKI_TARGET_MAIN:.c=.o)}
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TEXT_BASE = 0x00400000
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export TEXT_BASE
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LINKERSCRIPT = $(OBJECTDIR)/mc1322x.lds
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STARTUP=$(OBJECTDIR)/start.o
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ARCH_FLAGS= -mcpu=arm7tdmi-s -mthumb-interwork -march=armv4t -mtune=arm7tdmi-s -DCONFIG_ARM -D__ARM__ #-Wcast-align
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THUMB_FLAGS= -mthumb -mcallee-super-interworking
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ARM_FLAGS= -marm
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CFLAGSNO = -I. -I$(CONTIKI)/core -I$(CONTIKI_CPU) -I$(CONTIKI_CPU)/loader \
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-I$(CONTIKI_CPU)/dbg-io \
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-I$(CONTIKI)/platform/$(TARGET) \
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-I$(CONTIKI_CPU)/lib/include \
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-I$(CONTIKI_CPU)/src \
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-I$(CONTIKI_CPU)/board \
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${addprefix -I,$(APPDIRS)} \
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-DWITH_ASCII -DMCK=$(MCK) \
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-Werror $(ARCH_FLAGS) -g
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CFLAGS += $(CFLAGSNO) -Os -DRUN_AS_SYSTEM -DROM_RUN -fno-strict-aliasing -fno-common -ffixed-r8 -msoft-float -DTEXT_BASE=$(TEXT_BASE) -fno-builtin-printf -fno-builtin-sprintf -ffunction-sections -fdata-sections -MMD
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LDFLAGS += -T $(LINKERSCRIPT) -nostartfiles -static -u_start -Wl,-Map=contiki-$(TARGET).map,-export-dynamic,--gc-sections
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AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) -gstabs
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CDEPFLAGS = $(CFLAGS) -D __MAKING_DEPS__
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### Setup directory search path for source files
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CUSTOM_RULE_C_TO_OBJECTDIR_O=yes
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CUSTOM_RULE_C_TO_O=yes
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CFLAGS += -I$(OBJECTDIR) -I$(CONTIKI_CPU)/board -DBOARD=$(TARGET)
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CPPFLAGS += -P -C ${addprefix -D,${subst $(COMMA), ,$(DEFINES)}}
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$(OBJECTDIR)/board.h: $(CONTIKI_CPU)/board/board.h | $(OBJECTDIR)
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ifeq ($(HOST_OS),Windows)
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ln -f $< $@
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else
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ln -sf ../$< $@
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endif
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$(OBJECTDIR)/%.lds: $(CONTIKI_CPU)/%.lds.S | $(OBJECTDIR)
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$(CPP) $(CPPFLAGS) $< > $@
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$(OBJECTDIR)/isr.o: $(CONTIKI_CPU)/src/isr.c | $(OBJECTDIR)
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$(CC) $(CFLAGS) $(ARM_FLAGS) $< -c -o $@
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%.o: %.c
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$(CC) $(CFLAGS) $(THUMB_FLAGS) $< -c
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$(OBJECTDIR)/%.o: %.c | $(OBJECTDIR)
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$(CC) $(CFLAGS) $(THUMB_FLAGS) -c $< -o $@
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CUSTOM_RULE_S_TO_OBJECTDIR_O = yes
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$(OBJECTDIR)/%.o: %.S | $(OBJECTDIR)
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$(CC) $(CFLAGS) $(AFLAGS) $(ARM_FLAGS) $< -c -o $@
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CUSTOM_RULE_C_TO_CO=yes
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%.co: %.c
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$(CC) $(CFLAGS) -DAUTOSTART_ENABLE $(THUMB_FLAGS) $< -c -o $@
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.PRECIOUS: %.bin %_$(TARGET).bin
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%.ihex: %.$(TARGET)
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$(OBJCOPY) $^ -O ihex $@
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%_$(TARGET).bin: %.elf
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$(OBJCOPY) -O binary $< $@
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%.$(TARGET): %_$(TARGET).bin
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@
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%.elf: $(OBJECTDIR)/board.h %.co $(PROJECT_OBJECTFILES) contiki-$(TARGET).a $(STARTUP) $(OBJECTDIR)/mc1322x.lds
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$(CC) $(LDFLAGS) $(CFLAGS) -nostartfiles -o $@ $(filter-out %.a %.lds,$^) $(filter %.a,$^) $(filter %.a,$^)
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