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Having the C preprocessor macro CONTIKI_TARGET set to $(TARGET) turned out to be not that useful for conditionals. Therefore I switched to having the macro CONTIKI_TARGET_$(TARGET) set (to the default value of 1).
In order to allow for clean C code with the usual all-uppercase macro names $(TARGET) had to be converted to uppercase. Gnumake doesn't have a builtin string function for doing so, therefore sed is called. The Gnumake doc section 14.2 lists sed as one of the utilities a makefile can always presume to be available. However it states that only generally supported utility options should be used. So the GNU sed extension \U was intentionally avoided.
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@ -2,9 +2,6 @@ ifndef CONTIKI
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${error CONTIKI not defined! You must specify where CONTIKI resides}
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${error CONTIKI not defined! You must specify where CONTIKI resides}
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endif
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endif
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OBJECTDIR = obj_$(TARGET)
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CFLAGS += -DCONTIKI_TARGET=$(TARGET)
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ifeq ($(TARGET),)
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ifeq ($(TARGET),)
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-include Makefile.target
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-include Makefile.target
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ifeq ($(TARGET),)
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ifeq ($(TARGET),)
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@ -38,10 +35,16 @@ savedefines:
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@echo "saving Makefile.$(TARGET).defines"
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@echo "saving Makefile.$(TARGET).defines"
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@echo >Makefile.$(TARGET).defines "DEFINES = $(DEFINES)"
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@echo >Makefile.$(TARGET).defines "DEFINES = $(DEFINES)"
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OBJECTDIR = obj_$(TARGET)
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ifeq (${wildcard $(OBJECTDIR)},)
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ifeq (${wildcard $(OBJECTDIR)},)
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DUMMY := ${shell mkdir $(OBJECTDIR)}
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DUMMY := ${shell mkdir $(OBJECTDIR)}
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endif
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endif
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LOWERCASE = abcdefghijklmnopqrstuvwxyz
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UPPERCASE = ABCDEFGHIJKLMNOPQRSTUVWXYZ
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TARGET_UPPERCASE := ${shell echo $(TARGET) | sed 'y!$(LOWERCASE)!$(UPPERCASE)!'}
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CFLAGS += -DCONTIKI_TARGET_$(TARGET_UPPERCASE)
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include $(CONTIKI)/core/net/rime/Makefile.rime
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include $(CONTIKI)/core/net/rime/Makefile.rime
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include $(CONTIKI)/core/net/mac/Makefile.mac
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include $(CONTIKI)/core/net/mac/Makefile.mac
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SYSTEM = process.c procinit.c autostart.c elfloader.c profile.c timetable.c timetable-aggregate.c
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SYSTEM = process.c procinit.c autostart.c elfloader.c profile.c timetable.c timetable-aggregate.c
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