.EXPORT_ALL_VARIABLES:

TOPLEVEL_INCLUDED=YES

# KERNEL_DIR=/usr/src/linux
KERNEL_DIR=$(TOPDIR)/linux
NETFILTER_VERSION:=1.2.6a
OLD_NETFILTER_VERSION:=1.2.5

PREFIX:=/usr/local
LIBDIR:=$(PREFIX)/lib
BINDIR:=$(PREFIX)/sbin
MANDIR:=$(PREFIX)/man
INCDIR:=$(PREFIX)/include

# directory for new iptables releases
RELEASE_DIR:=/tmp

# This is set in Makefile.brecis, undo these two warnings.
CFLAGS += -Wno-pointer-arith
CFLAGS += -Wno-cast-qual

CFLAGS += -Wall
CFLAGS += -Wunused -Iinclude/ -I$(KERNEL_DIR)/include -DNETFILTER_VERSION=\"$(NETFILTER_VERSION)\"

NO_SHARED_LIBS=1
CFLAGS += -DNO_SHARED_LIBS=1

SH_CFLAGS:=$(CFLAGS)

# ifndef NO_SHARED_LIBS
# DEPFILES = $(SHARED_LIBS:%.so=%.d)
# SH_CFLAGS:=$(CFLAGS) -fPIC
# STATIC_LIBS  =
# else
DEPFILES = $(EXT_OBJS:%.o=%.d)
STATIC_LIBS  = extensions/libext.a
# endif

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

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

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

.PHONY: default
# default: print-extensions all

default: all

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

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)\" -o $@ $^
	$(LD) ${CFLAGS} $(LDFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -o $@ ${LIBS} $^ ${LDADD}

$(DESTDIR)$(BINDIR)/iptables: iptables
#	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
	${CP} $< ${DESTSBIN}

iptables-save: iptables-save.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
#	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -o $@ $^
	$(LD) ${CFLAGS} $(LDFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -o $@ ${LIBS} $^ ${LDADD}

$(DESTDIR)$(BINDIR)/iptables-save: iptables-save
#	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
	${CP} $< ${DESTSBIN}

iptables-restore: iptables-restore.c iptables.o $(STATIC_LIBS) libiptc/libiptc.a
#	$(CC) $(CFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -o $@ $^
	$(LD) ${CFLAGS} $(LDFLAGS) -DIPT_LIB_DIR=\"$(IPT_LIBDIR)\" -o $@ ${LIBS} $^ ${LDADD}

$(DESTDIR)$(BINDIR)/iptables-restore: iptables-restore
#	@[ -d $(DESTDIR)$(BINDIR) ] || mkdir -p $(DESTDIR)$(BINDIR)
	${CP} $< ${DESTSBIN}

$(DESTDIR)$(MANDIR)/man8/%.8: %.8
#	@[ -d $(DESTDIR)$(MANDIR)/man8 ] || mkdir -p $(DESTDIR)$(MANDIR)/man8
	${CP} $< ${DESTSBIN}

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: patch-o-matic
#patch-o-matic/ patch-o-matic:
#	@echo "Are your sure you didn't want to use make most-of-pom?"
#	@cd $@ && KERNEL_DIR=$(KERNEL_DIR) ./runme extra

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

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