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86 lines
2.7 KiB
Makefile
86 lines
2.7 KiB
Makefile
#
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# Alessandro Rubini for CERN, 2011 -- public domain
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#
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# The default is not extension. Uncomment here or set on the command line
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# PROTO_EXT ?= whiterabbit
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# The default architecture is hosted GNU/Linux stuff
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ARCH ?= unix
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# Also, you can set USER_CFLAGS, like this (or on the command line)
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# USER_CFLAGS = -DVERB_LOG_MSGS
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#### In theory, users should not change stuff below this line (but please read)
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# classic cross-compilation tool-set
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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STRIP = $(CROSS_COMPILE)strip
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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# Instead of repeating "ppsi" over and over, bless it TARGET
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TARGET = ppsi
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# we should use linux/scripts/setlocalversion instead...
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VERSION = $(shell git describe --always --dirty)
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# The main target is the big object file.
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all: $(TARGET).o
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# CFLAGS to use. Both this Makefile (later) and app-makefile may grow CFLAGS
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CFLAGS = $(USER_CFLAGS)
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CFLAGS += -Wall -O2 -ggdb -Iinclude -fno-common
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CFLAGS += -DPPSI_VERSION=\"$(VERSION)\"
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# to avoid ifdef as much as possible, I use the kernel trick for OBJ variables
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OBJ-y := fsm.o diag.o
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# Include arch code. Each arch chooses its own time directory..
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include arch-$(ARCH)/Makefile
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# include pp_printf code, by default the "full" version. Please
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# set CONFIG_PRINTF_NONE or CONFIG_PRINTF_XINT if needed.
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ifndef CONFIG_NO_PRINTF
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OBJ-y += pp_printf/pp-printf.o
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pp_printf/pp-printf.o: $(wildcard pp_printf/*.[ch])
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$(MAKE) -C pp_printf pp-printf.o
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endif
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# We need this -I so <arch/arch.h> can be found
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CFLAGS += -Iarch-$(ARCH)/include
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# proto-standard is always included, as it provides default function
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# so the extension can avoid duplication of code.
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ifdef PROTO_EXT
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include proto-ext-$(PROTO_EXT)/Makefile
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endif
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include proto-standard/Makefile
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# ...and the TIME choice sets the default operations
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CFLAGS += -DDEFAULT_TIME_OPS=$(TIME)_time_ops
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CFLAGS += -DDEFAULT_NET_OPS=$(TIME)_net_ops
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export CFLAGS
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# And this is the rule to build our target.o file. The architecture may
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# build more stuff. Please note that ./MAKEALL looks for $(TARGET)
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# (i.e., the ELF which is either the output or the input to objcopy -O binary)
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#
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# The object only depends on OBJ-y because each subdirs added needed
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# libraries: see proto-standard/Makefile as an example.
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$(TARGET).o: $(OBJ-y)
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$(LD) -Map $(TARGET).map1 -r -o $@ $(OBJ-y) $(PPSI_O_LDFLAGS) \
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--start-group $(LIBS) --end-group
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# Finally, "make clean" is expected to work
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clean:
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rm -f $$(find . -name '*.[oa]') *.bin $(TARGET) *~ $(TARGET).map*
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