# Overridable parameters
TARGET_CFLAGS=
BUILD=release
PREFIX=/usr
TARGET_OBJ_DIR=.
TARGET_LIB_DIR=$(PREFIX)/lib
TARGET_INC_DIR=$(PREFIX)/include
CC=cc
AR=ar
RANLIB=ranlib
MKOBJDIR=
#MKOBJDIR=mkdir -p $(TARGET_OBJ_DIR)
MKINCDIR=
#MKINCDIR=mkdir -p $(TARGET_INC_DIR)

# No editing should be needed from here on down

SRCS = rn_eclock.c rn_dprint.c rn_sigio.c rn_dev_epoll.c rn_sys_epoll.c rn.c
TESTS = $(TARGET_OBJ_DIR)/rn_test

OBJECTS := $(SRCS:%.c=$(TARGET_OBJ_DIR)/%.o)
HEADERS := rn_dprint.h rn_eclock.h rn_dev_epoll.h rn_event.h rn.h rn_sigio.h rn_sys_epoll.h rn_config.h
INSTALL_HEADERS := $(HEADERS:%.h=$(TARGET_INC_DIR)/%.h)
#INSTALL_LIBS := $(TARGET_LIB_DIR)/librn.a $(TARGET_LIB_DIR)/librn.so
INSTALL_LIBS := $(TARGET_LIB_DIR)/librn.so

# Can't use -pedantic, as gcc-3.3 complains that varadic macros as used in rn_dprint.h are a C99 feature
CFLAGS=$(TARGET_CFLAGS) @DEFS@ -O2 -W -Wall -Werror -I. -fpic
LIBS=@LIBS@

ifeq ($(BUILD),debug)
 CFLAGS += -g -Ddprint_ENABLED
endif

all: $(TARGET_OBJ_DIR)/librn.so $(TESTS)

install: $(INSTALL_LIBS) $(INSTALL_HEADERS)

# Install rules
$(TARGET_INC_DIR)/%.h: %.h
	$(MKINCDIR)
	install -m 644 $< $@

$(TARGET_LIB_DIR)/%: $(TARGET_OBJ_DIR)/%
	install -m 644 $< $@

# Build rules
#$(TARGET_OBJ_DIR)/librn.a: $(OBJECTS)
#	$(AR) -cr $@ $^

$(TARGET_OBJ_DIR)/librn.so: $(OBJECTS)
	$(CC) -shared $^ -o $@

$(TARGET_OBJ_DIR)/%.o: %.c
	$(MKOBJDIR)
	$(CC) $(CFLAGS) -c $< -o $@

$(TARGET_OBJ_DIR)/rn_test:  rn_test.c $(TARGET_OBJ_DIR)/librn.so
	$(CC) $(CFLAGS) $< $(TARGET_OBJ_DIR)/librn.so $(LIBS) -o $@

clean:
	-rm -f $(TARGET_OBJ_DIR)/*.o $(TARGET_OBJ_DIR)/*.so $(TARGET_OBJ_DIR)/*.a $(OBJECTS) $(TESTS)

uninstall:
	-rm -f $(INSTALL_LIBS) $(INSTALL_HEADERS) $(TARGET_OBJ_DIR)/rn_test

distclean: clean
	-rm -rf Makefile config.status config.log autom4te.cache rn_config.h