Makefile - maze/iptables - Git at Google



 # uncomment this to get a fully statically linked version
 # NO_SHARED_LIBS = 1

 ######################################################################
 # YOU SHOULD NOT NEED TO TOUCH ANYTHING BELOW THIS LINE
 ######################################################################

 # Standard part of Makefile for topdir.
 TOPLEVEL_INCLUDED=YES

 ifndef KERNEL_DIR
 KERNEL_DIR=/usr/src/linux
 endif
 NETFILTER_VERSION:=1.2.4
 OLD_NETFILTER_VERSION:=1.2.3

 # Waiting for inclusions in the kernel tree.
 PENDING_PATCHES:=ipt_MIRROR-ttl.patch ipt_REJECT-checkentry.patch ipt_LOG.patch
 # These went in previous kernels.
 PENDING_PATCHES+=2.4.1.patch tos-fix.patch tcp-MSS.patch 2.4.4.patch ip6tables-export-symbols.patch sackperm.patch

 # these are working fine together and don't break themselves
 MOSTOFPOM_PATCHES=NETLINK.patch NETMAP.patch SAME.patch TTL.patch ah-esp.patch ftos.patch iplimit.patch ipv4options.patch irc-conntrack-nat.patch length.patch mport.patch nth.patch random.patch pkttype.patch pool.patch psd.patch realm.patch snmp-nat.patch time.patch ttl.patch ulog.patch # string.patch (2.4.9)
 MOSTOFPOM_PATCHES+=REJECT.patch.ipv6 LOG.patch.ipv6 ipv6-agr.patch.ipv6 ipv6-fixes.patch.ipv6 ipv6-ports.patch.ipv6 length.patch.ipv6

 LIBDIR:=/usr/local/lib
 BINDIR:=/usr/local/sbin
 MANDIR:=/usr/local/man
 INCDIR:=/usr/local/include

 # directory for new iptables releases
 RELEASE_DIR:=/tmp

 # Need libc6 for this.  FIXME: Should covert to autoconf.
 ifeq ($(shell [ -f /usr/include/netinet/ip6.h ] && echo YES), YES)
 DO_IPV6=1
 endif

 COPT_FLAGS:=-O2 -DNDEBUG
 CFLAGS:=$(COPT_FLAGS) -Wall -Wunused -I$(KERNEL_DIR)/include -Iinclude/ -DNETFILTER_VERSION=\"$(NETFILTER_VERSION)\" #-g #-pg

 ifdef NO_SHARED_LIBS
 CFLAGS += -DNO_SHARED_LIBS=1
 endif

 ifndef NO_SHARED_LIBS
 DEPFILES = $(SHARED_LIBS:%.so=%.d)
 SH_CFLAGS:=$(CFLAGS) -fPIC
 STATIC_LIBS  =
 STATIC6_LIBS =
 LDFLAGS      = -rdynamic
 LDLIBS       = -ldl
 else
 DEPFILES = $(EXT_OBJS:%.o=%.d)
 STATIC_LIBS  = extensions/libext.a
 STATIC6_LIBS = extensions/libext6.a
 LDFLAGS      =
 LDLIBS       =
 endif

 EXTRAS+=iptables iptables.o
 EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/iptables $(DESTDIR)$(MANDIR)/man8/iptables.8

 # No longer experimental.
 EXTRAS+=iptables-save iptables-restore
 EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/iptables-save $(DESTDIR)$(BINDIR)/iptables-restore $(DESTDIR)$(MANDIR)/man8/iptables-restore.8 $(DESTDIR)$(MANDIR)/man8/iptables-save.8

 ifdef DO_IPV6
 EXTRAS+=ip6tables ip6tables.o
 EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/ip6tables $(DESTDIR)$(MANDIR)/man8/ip6tables.8
 EXTRAS_EXP+=ip6tables-save ip6tables-restore
 EXTRA_INSTALLS_EXP+=$(DESTDIR)$(BINDIR)/ip6tables-save $(DESTDIR)$(BINDIR)/ip6tables-restore # $(DESTDIR)$(MANDIR)/man8/iptables-restore.8 $(DESTDIR)$(MANDIR)/man8/iptables-save.8 $(DESTDIR)$(MANDIR)/man8/ip6tables-save.8 $(DESTDIR)$(MANDIR)/man8/ip6tables-restore.8
 endif

 # Sparc64 hack
 ifeq ($(shell uname -m),sparc64)
 # The kernel is 64-bit, even though userspace is 32.
 CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
 endif

 # HPPA hack
 ifeq ($(shell uname -m),parisc64)
 # The kernel is 64-bit, even though userspace is 32.
 CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
 endif

 ifndef IPT_LIBDIR
 IPT_LIBDIR:=$(LIBDIR)/iptables
 endif

 .PHONY: default
 default: print-extensions all

 .PHONY: print-extensions
 print-extensions:
 	@[ -n "$(OPTIONALS)" ] && echo Extensions found: $(OPTIONALS)

 .PHONY: pending-patches
 pending-patches:
 	@cd patch-o-matic && KERNEL_DIR=$(KERNEL_DIR) ./runme $(PENDING_PATCHES)

 iptables.o: iptables.c
 	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -c -o $@ $<

 iptables: iptables-standalone.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/iptables: iptables
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 iptables-save: iptables-save.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/iptables-save: iptables-save
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 iptables-restore: iptables-restore.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/iptables-restore: iptables-restore
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 ip6tables.o: ip6tables.c
 	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -c -o $@ $<

 ip6tables: ip6tables-standalone.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/ip6tables: ip6tables
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 ip6tables-save: ip6tables-save.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/ip6tables-save: ip6tables-save
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 ip6tables-restore: ip6tables-restore.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
 	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

 $(DESTDIR)$(BINDIR)/ip6tables-restore: ip6tables-restore
 	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
 	cp $< $@

 $(DESTDIR)$(MANDIR)/man8/%.8: %.8
 	@[ -d $(DESTDIR)$(MANDIR)/man8 ] || mkdir -p $(DESTDIR)$(MANDIR)/man8
 	cp $< $@

 EXTRA_DEPENDS+=iptables-standalone.d iptables.d

 iptables-standalone.d iptables.d: %.d: %.c
 	@-$(CC) -M -MG $(CFLAGS) $< | sed -e 's@^.*\.o:@$*.d $*.o:@' > $@


 # Development Targets
 .PHONY: install-devel-man3
 install-devel-man3: $(DEVEL_MAN3)
 	@[ -d $(DESTDIR)$(MANDIR)/man3 ] || mkdir -p $(DESTDIR)$(MANDIR)/man3
 	@cp -v $(DEVEL_MAN3) $(DESTDIR)$(MANDIR)/man3

 .PHONY: install-devel-headers
 install-devel-headers: $(DEVEL_HEADERS)
 	@[ -d $(DESTDIR)$(INCDIR) ] || mkdir -p $(DESTDIR)$(INCDIR)
 	@cp -v $(DEVEL_HEADERS) $(DESTDIR)$(INCDIR)

 .PHONY: install-devel-libs
 install-devel-libs: $(DEVEL_LIBS)
 	@[ -d $(DESTDIR)$(LIBDIR) ] || mkdir -p $(DESTDIR)$(LIBDIR)
 	@cp -v $(DEVEL_LIBS) $(DESTDIR)$(LIBDIR)

 .PHONY: install-devel
 install-devel: all install-devel-man3 install-devel-headers install-devel-libs

 .PHONY: distclean
 distclean: clean
 	@rm -f TAGS `find . -name '*~' -o -name '.*~'` `find . -name '*.rej'` `find . -name '*.d'` .makefirst

 .PHONY: patch-o-matic
 patch-o-matic/ patch-o-matic:
 	@cd $@ && KERNEL_DIR=$(KERNEL_DIR) ./runme

 .PHONY: most-of-pom
 most-of-pom:
 	@cd patch-o-matic && KERNEL_DIR=$(KERNEL_DIR) ./runme $(MOSTOFPOM_PATCHES)

 # Rusty's distro magic.
 .PHONY: distrib
 distrib: check distclean delrelease $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2 diff md5sums # nowhitespace

 # Makefile must not define:
 # -g -pg
 # And must define -NDEBUG
 .PHONY: check
 check:
 	@if echo $(CFLAGS) | egrep -e '-g|-pg' >/dev/null; then echo Remove debugging flags; exit 1; else exit 0; fi
 	@if echo $(CFLAGS) | egrep -e NDEBUG >/dev/null; then exit 0; else echo Define -DNDEBUG; exit 1; fi

 .PHONY: nowhitespace
 nowhitespace:
 	@if grep -n '[ 	]$$' `find . -name 'Makefile' -o -name '*.[ch]'`; then exit 1; else exit 0; fi

 .PHONY: delrelease
 delrelease:
 	rm -f $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2

 $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2:
 	cd .. && ln -sf userspace iptables-$(NETFILTER_VERSION) && tar cvf - --exclude CVS iptables-$(NETFILTER_VERSION)/. | bzip2 -9 > $@ && rm iptables-$(NETFILTER_VERSION)

 .PHONY: diff
 diff: $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2
 	@mkdir /tmp/diffdir
 	@cd /tmp/diffdir && tar -x --bzip2 -f $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2
 	@set -e; cd /tmp/diffdir; tar -x --bzip2 -f $(RELEASE_DIR)/iptables-$(OLD_NETFILTER_VERSION).tar.bz2; echo Creating patch-iptables-$(OLD_NETFILTER_VERSION)-$(NETFILTER_VERSION).bz2; diff -urN iptables-$(OLD_NETFILTER_VERSION) iptables-$(NETFILTER_VERSION) | bzip2 -9 > $(RELEASE_DIR)/patch-iptables-$(OLD_NETFILTER_VERSION)-$(NETFILTER_VERSION).bz2
 	@rm -rf /tmp/diffdir

 .PHONY: md5sums
 md5sums:
 	cd $(RELEASE_DIR)/ && md5sum patch-iptables-*-$(NETFILTER_VERSION).bz2 iptables-$(NETFILTER_VERSION).tar.bz2

 # $(wildcard) fails wierdly with make v.3.78.1.
 include $(shell echo */Makefile)
 include Rules.make


	# uncomment this to get a fully statically linked version
	# NO_SHARED_LIBS = 1

	######################################################################
	# YOU SHOULD NOT NEED TO TOUCH ANYTHING BELOW THIS LINE
	######################################################################

	# Standard part of Makefile for topdir.
	TOPLEVEL_INCLUDED=YES

	ifndef KERNEL_DIR
	KERNEL_DIR=/usr/src/linux
	endif
	NETFILTER_VERSION:=1.2.4
	OLD_NETFILTER_VERSION:=1.2.3

	# Waiting for inclusions in the kernel tree.
	PENDING_PATCHES:=ipt_MIRROR-ttl.patch ipt_REJECT-checkentry.patch ipt_LOG.patch
	# These went in previous kernels.
	PENDING_PATCHES+=2.4.1.patch tos-fix.patch tcp-MSS.patch 2.4.4.patch ip6tables-export-symbols.patch sackperm.patch

	# these are working fine together and don't break themselves
	MOSTOFPOM_PATCHES=NETLINK.patch NETMAP.patch SAME.patch TTL.patch ah-esp.patch ftos.patch iplimit.patch ipv4options.patch irc-conntrack-nat.patch length.patch mport.patch nth.patch random.patch pkttype.patch pool.patch psd.patch realm.patch snmp-nat.patch time.patch ttl.patch ulog.patch # string.patch (2.4.9)
	MOSTOFPOM_PATCHES+=REJECT.patch.ipv6 LOG.patch.ipv6 ipv6-agr.patch.ipv6 ipv6-fixes.patch.ipv6 ipv6-ports.patch.ipv6 length.patch.ipv6

	LIBDIR:=/usr/local/lib
	BINDIR:=/usr/local/sbin
	MANDIR:=/usr/local/man
	INCDIR:=/usr/local/include

	# directory for new iptables releases
	RELEASE_DIR:=/tmp

	# Need libc6 for this. FIXME: Should covert to autoconf.
	ifeq ($(shell [ -f /usr/include/netinet/ip6.h ] && echo YES), YES)
	DO_IPV6=1
	endif

	COPT_FLAGS:=-O2 -DNDEBUG
	CFLAGS:=$(COPT_FLAGS) -Wall -Wunused -I$(KERNEL_DIR)/include -Iinclude/ -DNETFILTER_VERSION=\"$(NETFILTER_VERSION)\" #-g #-pg

	ifdef NO_SHARED_LIBS
	CFLAGS += -DNO_SHARED_LIBS=1
	endif

	ifndef NO_SHARED_LIBS
	DEPFILES = $(SHARED_LIBS:%.so=%.d)
	SH_CFLAGS:=$(CFLAGS) -fPIC
	STATIC_LIBS =
	STATIC6_LIBS =
	LDFLAGS = -rdynamic
	LDLIBS = -ldl
	else
	DEPFILES = $(EXT_OBJS:%.o=%.d)
	STATIC_LIBS = extensions/libext.a
	STATIC6_LIBS = extensions/libext6.a
	LDFLAGS =
	LDLIBS =
	endif

	EXTRAS+=iptables iptables.o
	EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/iptables $(DESTDIR)$(MANDIR)/man8/iptables.8

	# No longer experimental.
	EXTRAS+=iptables-save iptables-restore
	EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/iptables-save $(DESTDIR)$(BINDIR)/iptables-restore $(DESTDIR)$(MANDIR)/man8/iptables-restore.8 $(DESTDIR)$(MANDIR)/man8/iptables-save.8

	ifdef DO_IPV6
	EXTRAS+=ip6tables ip6tables.o
	EXTRA_INSTALLS+=$(DESTDIR)$(BINDIR)/ip6tables $(DESTDIR)$(MANDIR)/man8/ip6tables.8
	EXTRAS_EXP+=ip6tables-save ip6tables-restore
	EXTRA_INSTALLS_EXP+=$(DESTDIR)$(BINDIR)/ip6tables-save $(DESTDIR)$(BINDIR)/ip6tables-restore # $(DESTDIR)$(MANDIR)/man8/iptables-restore.8 $(DESTDIR)$(MANDIR)/man8/iptables-save.8 $(DESTDIR)$(MANDIR)/man8/ip6tables-save.8 $(DESTDIR)$(MANDIR)/man8/ip6tables-restore.8
	endif

	# Sparc64 hack
	ifeq ($(shell uname -m),sparc64)
	# The kernel is 64-bit, even though userspace is 32.
	CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
	endif

	# HPPA hack
	ifeq ($(shell uname -m),parisc64)
	# The kernel is 64-bit, even though userspace is 32.
	CFLAGS+=-DIPT_MIN_ALIGN=8 -DKERNEL_64_USERSPACE_32
	endif

	ifndef IPT_LIBDIR
	IPT_LIBDIR:=$(LIBDIR)/iptables
	endif

	.PHONY: default
	default: print-extensions all

	.PHONY: print-extensions
	print-extensions:
	@[ -n "$(OPTIONALS)" ] && echo Extensions found: $(OPTIONALS)

	.PHONY: pending-patches
	pending-patches:
	@cd patch-o-matic && KERNEL_DIR=$(KERNEL_DIR) ./runme $(PENDING_PATCHES)

	iptables.o: iptables.c
	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -c -o $@ $<

	iptables: iptables-standalone.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/iptables: iptables
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	iptables-save: iptables-save.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/iptables-save: iptables-save
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	iptables-restore: iptables-restore.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" $(LDFLAGS) -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/iptables-restore: iptables-restore
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	ip6tables.o: ip6tables.c
	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -c -o $@ $<

	ip6tables: ip6tables-standalone.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/ip6tables: ip6tables
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	ip6tables-save: ip6tables-save.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/ip6tables-save: ip6tables-save
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	ip6tables-restore: ip6tables-restore.c ip6tables.o $(STATIC6_LIBS) libiptc/libiptc.a
	$(CC) $(CFLAGS) -DIP6T_LIB_DIR=\"$(IPT_LIBDIR)\" -rdynamic -o $@ $^ $(LDLIBS)

	$(DESTDIR)$(BINDIR)/ip6tables-restore: ip6tables-restore
	@[ -d $(DESTDIR)$(BINDIR) ] \|\| mkdir -p $(DESTDIR)$(BINDIR)
	cp $< $@

	$(DESTDIR)$(MANDIR)/man8/%.8: %.8
	@[ -d $(DESTDIR)$(MANDIR)/man8 ] \|\| mkdir -p $(DESTDIR)$(MANDIR)/man8
	cp $< $@

	EXTRA_DEPENDS+=iptables-standalone.d iptables.d

	iptables-standalone.d iptables.d: %.d: %.c
	@-$(CC) -M -MG $(CFLAGS) $< \| sed -e 's@^.\.o:@$.d $*.o:@' > $@


	# Development Targets
	.PHONY: install-devel-man3
	install-devel-man3: $(DEVEL_MAN3)
	@[ -d $(DESTDIR)$(MANDIR)/man3 ] \|\| mkdir -p $(DESTDIR)$(MANDIR)/man3
	@cp -v $(DEVEL_MAN3) $(DESTDIR)$(MANDIR)/man3

	.PHONY: install-devel-headers
	install-devel-headers: $(DEVEL_HEADERS)
	@[ -d $(DESTDIR)$(INCDIR) ] \|\| mkdir -p $(DESTDIR)$(INCDIR)
	@cp -v $(DEVEL_HEADERS) $(DESTDIR)$(INCDIR)

	.PHONY: install-devel-libs
	install-devel-libs: $(DEVEL_LIBS)
	@[ -d $(DESTDIR)$(LIBDIR) ] \|\| mkdir -p $(DESTDIR)$(LIBDIR)
	@cp -v $(DEVEL_LIBS) $(DESTDIR)$(LIBDIR)

	.PHONY: install-devel
	install-devel: all install-devel-man3 install-devel-headers install-devel-libs

	.PHONY: distclean
	distclean: clean
	@rm -f TAGS `find . -name '~' -o -name '.~'` `find . -name '.rej'` `find . -name '.d'` .makefirst

	.PHONY: patch-o-matic
	patch-o-matic/ patch-o-matic:
	@cd $@ && KERNEL_DIR=$(KERNEL_DIR) ./runme

	.PHONY: most-of-pom
	most-of-pom:
	@cd patch-o-matic && KERNEL_DIR=$(KERNEL_DIR) ./runme $(MOSTOFPOM_PATCHES)

	# Rusty's distro magic.
	.PHONY: distrib
	distrib: check distclean delrelease $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2 diff md5sums # nowhitespace

	# Makefile must not define:
	# -g -pg
	# And must define -NDEBUG
	.PHONY: check
	check:
	@if echo $(CFLAGS) \| egrep -e '-g\|-pg' >/dev/null; then echo Remove debugging flags; exit 1; else exit 0; fi
	@if echo $(CFLAGS) \| egrep -e NDEBUG >/dev/null; then exit 0; else echo Define -DNDEBUG; exit 1; fi

	.PHONY: nowhitespace
	nowhitespace:
	@if grep -n '[ ]$$' `find . -name 'Makefile' -o -name '*.[ch]'`; then exit 1; else exit 0; fi

	.PHONY: delrelease
	delrelease:
	rm -f $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2

	$(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2:
	cd .. && ln -sf userspace iptables-$(NETFILTER_VERSION) && tar cvf - --exclude CVS iptables-$(NETFILTER_VERSION)/. \| bzip2 -9 > $@ && rm iptables-$(NETFILTER_VERSION)

	.PHONY: diff
	diff: $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2
	@mkdir /tmp/diffdir
	@cd /tmp/diffdir && tar -x --bzip2 -f $(RELEASE_DIR)/iptables-$(NETFILTER_VERSION).tar.bz2
	@set -e; cd /tmp/diffdir; tar -x --bzip2 -f $(RELEASE_DIR)/iptables-$(OLD_NETFILTER_VERSION).tar.bz2; echo Creating patch-iptables-$(OLD_NETFILTER_VERSION)-$(NETFILTER_VERSION).bz2; diff -urN iptables-$(OLD_NETFILTER_VERSION) iptables-$(NETFILTER_VERSION) \| bzip2 -9 > $(RELEASE_DIR)/patch-iptables-$(OLD_NETFILTER_VERSION)-$(NETFILTER_VERSION).bz2
	@rm -rf /tmp/diffdir

	.PHONY: md5sums
	md5sums:
	cd $(RELEASE_DIR)/ && md5sum patch-iptables-*-$(NETFILTER_VERSION).bz2 iptables-$(NETFILTER_VERSION).tar.bz2

	# $(wildcard) fails wierdly with make v.3.78.1.
	include $(shell echo */Makefile)
	include Rules.make