nexmon – Rev 1

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# The toolchain definitions
CC              = cc
SPARSE          = sparse

V               = @             # Verbose build:  make V=1
C               = 0             # Sparsechecker build:  make C=1
Q               = $(V:1=)
QUIET_CC        = $(Q:@=@echo '     CC       '$@;)$(CC)
QUIET_DEPEND    = $(Q:@=@echo '     DEPEND   '$@;)$(CC)
ifeq ($(C),1)
QUIET_SPARSE    = $(Q:@=@echo '     SPARSE   '$@;)$(SPARSE)
else
QUIET_SPARSE    = @/bin/true
endif

PREFIX          ?= /usr/local
CFLAGS          += -std=c99 -O2 -fomit-frame-pointer -Wall -D_BSD_SOURCE
LDFLAGS         ?=

SRCS            = ssb_sprom.c utils.c
BIN             = ssb-sprom

.SUFFIXES:
.PHONY: all install clean distclean
.DEFAULT_GOAL := all

DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))

# Generate dependencies
$(call DEPS,$(SRCS)): dep/%.d: %.c 
        @mkdir -p $(dir $@)
        $(QUIET_DEPEND) -o $@.tmp -MM -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $< && mv -f $@.tmp $@

-include $(call DEPS,$(SRCS))

# Generate object files
$(call OBJS,$(SRCS)): obj/%.o:
        @mkdir -p $(dir $@)
        $(QUIET_SPARSE) $(SPARSEFLAGS) $<
        $(QUIET_CC) -o $@ -c $(CFLAGS) $<

all: $(BIN)

$(BIN): $(call OBJS,$(SRCS))
        $(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)

install: all
        install -o 0 -g 0 -m 755 $(BIN) $(PREFIX)/bin/

clean:
        -rm -Rf obj dep *~ *.orig *.rej

distclean: clean
        -rm -f $(BIN)