Makefile.lib

# makefile template for creating libraries

# if not specified create both types of library
create-shared ?= yes
create-static ?= yes

# if not given, try to guess what to install
install-shared ?= ${create-shared}
install-static ?= ${create-static}

#################################################################
# sources & dependencies

SRCS := $(wildcard *.c)
HDRS := $(wildcard *.h)
DEP_IN = ${SRCS} ${HDRS}
OBJS := $(patsubst %.c,%.o,$(SRCS))

#################################################################

# heder files should be included via <...> instead of "..."
INCLUDES += -I..
#INCLUDES += -I$(CURDIR)/..

static_lib_name  = lib${NAME}.a
dynamic_lib_name = lib${NAME}.so

# set targets which will be compiled
targets =
ifeq ($(create-static),yes)
targets += ${static_lib_name}
endif
ifeq ($(create-shared),yes)
targets += ${dynamic_lib_name}
endif

# set targets which will be installed
install_targets =
ifeq ($(install-static),yes)
install_targets += install-static
endif
ifeq ($(install-shared),yes)
install_targets += install-shared
endif

default:	${targets}

#static library
${static_lib_name}:	${OBJS}
		ar -r $@ ${OBJS}

# dynamic library
${dynamic_lib_name}:	${OBJS}
		${CC} -shared ${CFLAGS} ${LDFLAGS} ${INCLUDES} -o $@ ${OBJS} ${LIBS}

#################################################################
# common rules

%.o:	%.c
		${CC} ${CFLAGS} ${INCLUDES} -c $<

.PHONY:	install install-static install-shared install-headers install-dirs clean proper

proper: clean
		-@rm -f tags ID

clean:
		-@rm -f ${static_lib_name} ${dynamic_lib_name} *.o *.d core core.* *~ Makefile.deps

ifneq ($(MAKECMDGOALS),proper)
ifneq ($(MAKECMDGOALS),clean)
-include $(SRCS:.c=.d)
endif
endif

%.d:	%.c
		@$(CC) -M $(CFLAGS) $(INCLUDES) $< > $@.$$$$; \
		sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
		rm -f $@.$$$$

#################################################################
# library instalation

install:	${targets} ${install_targets}

install-static:	${static_lib_name} ${install-dirs} install-headers
				$(install-lib) ${static_lib_name} $(lib-dir)

install-shared:	${dynamic_lib_name} ${install-dirs} install-headers
				$(install-lib) ${dynamic_lib_name} $(lib-dir)

# headers are installed only if anything else
install-headers:	install-dirs
					@echo "install headers"
					@for hdr in ${HDRS} ; do \
						$(install-includes) $$hdr $(include-dir)/$(NAME); \
					done

install-dirs:	$(lib-dir) $(include-dir)/$(NAME)
				@echo "install dirs"

$(bin-dir):	
			mkdir -p $(bin-dir)

$(lib-dir):	
			mkdir -p $(lib-dir)

$(share-dir)/$(NAME):	
			mkdir -p $(share-dir)/$(NAME)
			
$(include-dir)/$(NAME):	
			mkdir -p $(include-dir)/$(NAME)