
ifdef CROSS
CROSS          = $(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))
CC             = $(CROSS)gcc
AR             = $(CROSS)ar
AS             = $(CROSS)as
LD             = $(CROSS)ld
NM             = $(CROSS)nm
STRIP          = $(CROSS)strip
CPP            = $(CC) -E
else
CC             = gcc
AR             = ar
AS             = as
LD             = ld
NM             = nm
STRIP          = strip
CPP            = $(CC) -E
endif

#KERNEL_INCLUDE=$(shell pwd)/../../../linux/${build_kernel_version}/include/
#LIBC_INCLUDE=$(shell pwd)/../../../uClibc/include/
# Path to parent kernel include files directory

ifndef KERNEL_INCLUDE
KERNEL_INCLUDE=/usr/src/linux/include
endif

ifndef LIBC_INCLUDE
#LIBC_INCLUDE=/usr/include
endif

#DEFINES= -DRESOLVE_HOSTNAMES

#options if you have a bind>=4.9.4 libresolv (or, maybe, glibc)
#LDLIBS=-lresolv
ADDLIB=

#options if you compile with libc5, and without a bind>=4.9.4 libresolv
#LDLIBS=
#ADDLIB=inet_ntop.o inet_pton.o

#options for decnet
ADDLIB+=dnet_ntop.o dnet_pton.o

#options for ipx
ADDLIB+=ipx_ntop.o ipx_pton.o

#ifeq ($(LIBC_INCLUDE)/socketbits.h,$(wildcard $(LIBC_INCLUDE)/socketbits.h))
#  ifeq ($(LIBC_INCLUDE)/net/if_packet.h,$(wildcard $(LIBC_INCLUDE)/net/if_packet.h))
#    GLIBCFIX=-I../include-glibc -include ../include-glibc/glibc-bugs.h
#  endif
#endif
#ifeq ($(LIBC_INCLUDE)/bits/socket.h,$(wildcard $(LIBC_INCLUDE)/bits/socket.h))
#  GLIBCFIX=-I../include-glibc -include ../include-glibc/glibc-bugs.h
#endif

#CC = gcc
CCOPTS = -D_GNU_SOURCE -Os -Wstrict-prototypes -Wall
CFLAGS = $(CCOPTS) -I../include $(GLIBCFIX) -I$(KERNEL_INCLUDE) $(DEFINES)

LDLIBS += -L../lib -lnetlink -lutil

SUBDIRS=lib ip tc

LIBNETLINK=../lib/libnetlink.a ../lib/libutil.a

all: check-kernel
	@set -e; \
	for i in $(SUBDIRS); \
	do $(MAKE) -C $$i; done

check-kernel:
ifeq ($(KERNEL_INCLUDE),)
	@echo "Please, set correct KERNEL_INCLUDE"; false
else
	@set -e; \
	if [ ! -r $(KERNEL_INCLUDE)/linux/autoconf.h ]; then \
		echo $(KERNEL_INCLUDE) \
		echo "Please, Compile the kernel first"; false; fi
endif

strip:
	for i in $(SUBDIRS); \
	do $(MAKE) -C $$i strip; done
	
clean:
	for i in $(SUBDIRS) doc; \
	do $(MAKE) -C $$i clean; done

.EXPORT_ALL_VARIABLES:
