CC = arm-linux-gnueabi-gcc
CFLAGS ?= -g -Wall -W -Wshadow -Wpointer-arith -Wstrict-prototypes

ifneq ($(lib_name),)

# additional rules for libraries

CFLAGS_LIB ?= -fPIC
CFLAGS += $(CFLAGS_LIB)

libraries = $(lib_name).so $(lib_name).a

.PHONY: library

library: $(libraries)

$(libraries): $(objects)

endif

prerequisites = $(subst .o,.d,$(objects)) $(addsuffix .d,$(binaries))

.PHONY: clean install

ifeq ($(static),1)
LDFLAGS += -static
endif

prefix ?= /usr

bindir     ?= $(prefix)/bin
includedir ?= $(prefix)/include
libdir     ?= $(prefix)/lib
sharedir   ?= $(prefix)/share

ifneq ($(DESTDIR),)
DESTDIR := $(DESTDIR)/
endif

ifeq ($(V),1)
%.o: %.c
	$(CC) -c $(CPPFLAGS) $(CFLAGS) -MMD -o $@ $< $(filter-out %.h %.c,$^)
%: %.o
	$(CC) $(LDFLAGS) -o $@ $^ $(LOADLIBES) $(LDLIBS)
%: %.c
	$(CC) $(CPPFLAGS) $(CFLAGS) -MMD $(LDFLAGS) -o $@ $< $(filter-out %.h %.c,$^) $(LOADLIBES) $(LDLIBS)
%.so:
	$(CC) -shared -o $@ $^
%.a:
	$(AR) rcs $@ $^
clean::
	$(RM) -f $(prerequisites) $(objects) $(libraries) $(binaries) $(removing) *~
else
%.o: %.c
	@echo CC $@
	@$(CC) -c $(CPPFLAGS) $(CFLAGS) -MMD -o $@ $< $(filter-out %.h %.c,$^)
%: %.o
	@echo CC $@
	@$(CC) $(LDFLAGS) -o $@ $^ $(LOADLIBES) $(LDLIBS)
%: %.c
	@echo CC $@
	@$(CC) $(CPPFLAGS) $(CFLAGS) -MMD $(LDFLAGS) -o $@ $< $(filter-out %.h %.c,$^) $(LOADLIBES) $(LDLIBS)
%.so:
	@echo CC $@
	@$(CC) -shared -o $@ $^
%.a:
	@echo AR $@
	@$(AR) rcs $@ $^
clean::
	@echo cleaning
	@$(RM) -f $(prerequisites) $(objects) $(libraries) $(binaries) $(removing) *~
endif

-include $(prerequisites)