#

# Configuration

#

# Path to parent kernel include files directory

LIBC_INCLUDE=/usr/include

# Libraries

ADDLIB=

# Linker flags

LDFLAG_STATIC=-Wl,-Bstatic

LDFLAG_DYNAMIC=-Wl,-Bdynamic

LDFLAG_CAP=-lcap

LDFLAG_GCRYPT=-lgcrypt -lgpg-error

LDFLAG_NETTLE=-lnettle

LDFLAG_CRYPTO=-lcrypto

LDFLAG_IDN=-lidn2

LDFLAG_RESOLV=-lresolv

LDFLAG_RT=-lrt

LDFLAG_M=-lm

#

# Options

#

# Capability support (with libcap) [yes|static|no]

USE_CAP=yes

# sysfs support

USE_SYSFS=yes

# IDN support  [yes|no|static]

USE_IDN=yes

# Do not use getifaddrs [no|yes|static]

WITHOUT_IFADDRS=no

# arping default device (e.g. eth0) []

ARPING_DEFAULT_DEVICE=

# nettle library for ipv6 ping [yes|no|static]

USE_NETTLE=yes

# libgcrypt library for ipv6 ping [no|yes|static]

USE_GCRYPT=no

# Crypto library for ping6 [shared|static|no]

USE_CRYPTO=shared

# Resolv library for ping6 [yes|static]

USE_RESOLV=yes

# ping6 source routing (deprecated by RFC5095) [no|yes|RFC3542]

ENABLE_PING6_RTHDR=no

# rdisc server (-r option) support [no|yes]

ENABLE_RDISC_SERVER=no

# -------------------------------------

# What a pity, all new gccs are buggy and -Werror does not work. Sigh.

# CFLAGS+=-fno-strict-aliasing -Wstrict-prototypes -Wall -Werror -g

CFLAGS?=-O3 -g

CFLAGS+=-fno-strict-aliasing -Wstrict-prototypes -Wall

CPPFLAGS+=-D_GNU_SOURCE

LDLIB=

FUNC_LIB = $(if $(filter static,$(1)),$(LDFLAG_STATIC) $(2) $(LDFLAG_DYNAMIC),$(2))

# USE_GCRYPT: DEF_GCRYPT, LIB_GCRYPT

# USE_CRYPTO: LIB_CRYPTO

ifneq ($(USE_GCRYPT),no)

	LIB_CRYPTO = $(call FUNC_LIB,$(USE_GCRYPT),$(LDFLAG_GCRYPT))

	DEF_CRYPTO = -DUSE_GCRYPT

else

ifneq ($(USE_NETTLE),no)

	LIB_CRYPTO = $(call FUNC_LIB,$(USE_NETTLE),$(LDFLAG_NETTLE))

	DEF_CRYPTO = -DUSE_NETTLE

else

ifneq ($(USE_CRYPTO),no)

	LIB_CRYPTO = $(call FUNC_LIB,$(USE_CRYPTO),$(LDFLAG_CRYPTO))

	DEF_CRYPTO = -DUSE_OPENSSL

endif

endif

endif

# USE_RESOLV: LIB_RESOLV

LIB_RESOLV = $(call FUNC_LIB,$(USE_RESOLV),$(LDFLAG_RESOLV))

# USE_CAP:  DEF_CAP, LIB_CAP

ifneq ($(USE_CAP),no)

	DEF_CAP = -DCAPABILITIES

	LIB_CAP = $(call FUNC_LIB,$(USE_CAP),$(LDFLAG_CAP))

endif

# USE_SYSFS: DEF_SYSFS, LIB_SYSFS

ifneq ($(USE_SYSFS),no)

	DEF_SYSFS = -DUSE_SYSFS

endif

# USE_IDN: DEF_IDN, LIB_IDN

ifneq ($(USE_IDN),no)

	DEF_IDN = -DUSE_IDN

	LIB_IDN = $(call FUNC_LIB,$(USE_IDN),$(LDFLAG_IDN))

endif

# WITHOUT_IFADDRS: DEF_WITHOUT_IFADDRS

ifneq ($(WITHOUT_IFADDRS),no)

	DEF_WITHOUT_IFADDRS = -DWITHOUT_IFADDRS

endif

# ENABLE_RDISC_SERVER: DEF_ENABLE_RDISC_SERVER

ifneq ($(ENABLE_RDISC_SERVER),no)

	DEF_ENABLE_RDISC_SERVER = -DRDISC_SERVER

endif

# ENABLE_PING6_RTHDR: DEF_ENABLE_PING6_RTHDR

ifneq ($(ENABLE_PING6_RTHDR),no)

	DEF_ENABLE_PING6_RTHDR = -DPING6_ENABLE_RTHDR

ifeq ($(ENABLE_PING6_RTHDR),RFC3542)

	DEF_ENABLE_PING6_RTHDR += -DPINR6_ENABLE_RTHDR_RFC3542

endif

endif

# -------------------------------------

TARGETS=ping tracepath traceroute6 clockdiff rdisc arping tftpd rarpd

LDLIBS=$(LDLIB) $(ADDLIB)

TODAY=$(shell date +%Y-%m-%d)

DATE=$(shell date -d $(TODAY) +%Y%m%d)

TAG:=$(shell date -d $(TODAY) +s%Y%m%d)

# -------------------------------------

.PHONY: all ninfod clean distclean man html snapshot

all: $(TARGETS)

%.s: %.c

	$(COMPILE.c) $< $(DEF_$(patsubst %.o,%,$@)) -S -o $@

%.o: %.c

	$(COMPILE.c) $< $(DEF_$(patsubst %.o,%,$@)) -o $@

LINK.o += $(CFLAGS)

$(TARGETS): %: %.o

	$(LINK.o) $^ $(LIB_$@) $(LDLIBS) -o $@

# -------------------------------------

# arping

DEF_arping = $(DEF_SYSFS) $(DEF_CAP) $(DEF_IDN) $(DEF_WITHOUT_IFADDRS)

LIB_arping = $(LIB_CAP) $(LIB_IDN) $(LDFLAG_RT)

ifneq ($(ARPING_DEFAULT_DEVICE),)

DEF_arping += -DDEFAULT_DEVICE=\"$(ARPING_DEFAULT_DEVICE)\"

endif

# clockdiff

DEF_clockdiff = $(DEF_CAP)

LIB_clockdiff = $(LIB_CAP)

# ping / ping6

DEF_ping = $(DEF_CAP) $(DEF_IDN) $(DEF_CRYPTO) $(DEF_WITHOUT_IFADDRS)

DEF_ping_common = $(DEF_ping)

DEF_ping6_common = $(DEF_ping)

LIB_ping = $(LIB_CAP) $(LIB_IDN) $(LIB_CRYPTO) $(LIB_RESOLV) $(LDFLAG_M)

ping: ping_common.o ping6_common.o

ping.o ping_common.o ping6_common.o: ping.h in6_flowlabel.h

ping6.o ping6_common.o: ping.h in6_flowlabel.h

# rarpd

DEF_rarpd =

LIB_rarpd =

# rdisc

DEF_rdisc = $(DEF_ENABLE_RDISC_SERVER)

LIB_rdisc =

# tracepath

DEF_tracepath = $(DEF_IDN)

LIB_tracepath = $(LIB_IDN)

# traceroute6

DEF_traceroute6 = $(DEF_CAP) $(DEF_IDN)

LIB_traceroute6 = $(LIB_CAP) $(LIB_IDN)

# tftpd

DEF_tftpd =

DEF_tftpsubs =

LIB_tftpd =

tftpd: tftpsubs.o

tftpd.o tftpsubs.o: tftp.h

# -------------------------------------

# ninfod

ninfod:

	@set -e; \

		if [ ! -f ninfod/Makefile ]; then \

			cd ninfod; \

			./configure; \

			cd ..; \

		fi; \

		$(MAKE) -C ninfod

# -------------------------------------

man:

	$(MAKE) -C doc man

html:

	$(MAKE) -C doc html

clean:

	@rm -f *.o $(TARGETS)

	@$(MAKE) -C Modules clean

	@$(MAKE) -C doc clean

	@set -e; \

		if [ -f ninfod/Makefile ]; then \

			$(MAKE) -C ninfod clean; \

		fi

distclean: clean

	@set -e; \

		if [ -f ninfod/Makefile ]; then \

			$(MAKE) -C ninfod distclean; \

		fi

# -------------------------------------

RPMBUILD=rpmbuild

RPMTMP=.rpmtmp

snapshot:

	@echo "#define SNAPSHOT \"$(TAG)\"" > SNAPSHOT.h

	@$(MAKE) man

	@git commit -a -m "iputils-$(TAG)"

	@git tag -s -m "iputils-$(TAG)" $(TAG)

	@git archive --format=tar --prefix=iputils-$(TAG)/ $(TAG) | bzip2 -9 > ../iputils-$(TAG).tar.bz2

rpm:

	@git archive --format=tar --prefix=iputils/ HEAD | bzip2 -9 > $(RPMTMP)/iputils.tar.bz2

	@$(RPMBUILD) -ta --define 'current yes' $(RPMTMP)/iputils.tar.bz2

	@rm -f $(RPMTMP)/iputils.tar.bz2