[PATCH 3/3] build: use automake and pkgconfig

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This now also honors the cflags as obtained from pkgconfig, otherwise
one gets a compile error if the headers are in a location other than
/usr/include.

Signed-off-by: Jan Engelhardt <jengelh@xxxxxxx>
---
 .gitignore        |  17 ++--
 Makefile.am       |   7 ++
 Makefile.defs.in  |  40 --------
 Makefile.in       |   5 -
 Makefile.rules.in |  89 ------------------
 configure.ac      |  41 +++++----
 doc/Makefile.am   |  14 +++
 doc/Makefile.in   |  20 ----
 files/Makefile.am |   6 ++
 files/Makefile.in |   4 -
 install-sh        | 269 ------------------------------------------------------
 src/Makefile.am   |  24 +++++
 src/Makefile.in   |  30 ------
 src/cli.c         |   1 +
 src/erec.c        |   1 +
 src/main.c        |   1 +
 16 files changed, 87 insertions(+), 482 deletions(-)
 create mode 100644 Makefile.am
 delete mode 100644 Makefile.defs.in
 delete mode 100644 Makefile.in
 delete mode 100644 Makefile.rules.in
 create mode 100644 doc/Makefile.am
 delete mode 100644 doc/Makefile.in
 create mode 100644 files/Makefile.am
 delete mode 100644 files/Makefile.in
 delete mode 100755 install-sh
 create mode 100644 src/Makefile.am
 delete mode 100644 src/Makefile.in

diff --git a/.gitignore b/.gitignore
index d26b395..a54c6ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,18 +1,19 @@
 # Dependency and object files
-.*.d
+.deps/
+.libs/
 *.o
 
 # Generated by autoconf/configure
 Makefile
+Makefile.in
 Makefile.defs
 Makefile.rules
-config.h
-config.h.in
-config.h.in~
-config.log
-config.status
-configure
-autom4te.cache
+/aclocal.m4
+/autom4te.cache/
+/build-aux/
+/config.*
+/configure
+/stamp-h1
 
 # Debian package build temporary files
 build-stamp
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..ad76c06
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,7 @@
+# -*- Makefile -*-
+
+SUBDIRS = src files doc
+
+archive:
+	git archive --prefix=nftables-${PACKAGE_VERSION}/ HEAD | \
+		bzip2 -c > nftables-${PACKAGE_VERSION}.tar.bz2
diff --git a/Makefile.defs.in b/Makefile.defs.in
deleted file mode 100644
index 545c4ee..0000000
--- a/Makefile.defs.in
+++ /dev/null
@@ -1,40 +0,0 @@
-DEBUG		= @CONFIG_DEBUG@
-CC		= @CC@
-CPP		= @CPP@
-LEX		= @LEX@
-YACC		= @YACC@
-MKDIR_P		= @MKDIR_P@
-INSTALL		= @INSTALL@
-
-PACKAGE_TARNAME	= @PACKAGE_TARNAME@
-
-prefix		= @prefix@
-exec_prefix	= @exec_prefix@
-sysconfdir	= @sysconfdir@
-datarootdir	= @datarootdir@
-mandir		= @mandir@
-docdir		= @docdir@
-pdfdir		= @pdfdir@
-confdir		= @sysconfdir@/nftables
-
-LDFLAGS		+= @LDFLAGS@
-LDFLAGS		+= @LIBS@
-
-CPPFLAGS	+= @CPPFLAGS@
-
-CFLAGS		+= @CFLAGS@ @DEFS@
-CFLAGS		+= -DDEFAULT_INCLUDE_PATH="\"$(confdir)\""
-CFLAGS		+= -include config.h
-CFLAGS		+= -Iinclude
-CFLAGS		+= -fno-strict-aliasing
-
-CFLAGS		+= -Wall -Werror
-CFLAGS		+= -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-CFLAGS		+= -Wdeclaration-after-statement -Wsign-compare -Winit-self
-CFLAGS		+= -Wformat-nonliteral -Wformat-security -Wmissing-format-attribute
-CFLAGS		+= -Wcast-align -Wundef -Wbad-function-cast # -Wshadow
-CFLAGS		+= -Waggregate-return -Wunused -Wwrite-strings
-
-ifeq ($(DEBUG),y)
-CFLAGS		+= -g -DDEBUG
-endif
diff --git a/Makefile.in b/Makefile.in
deleted file mode 100644
index 5d42541..0000000
--- a/Makefile.in
+++ /dev/null
@@ -1,5 +0,0 @@
-SUBDIRS		+= src
-SUBDIRS		+= files
-SUBDIRS		+= doc
-
-include Makefile.rules
diff --git a/Makefile.rules.in b/Makefile.rules.in
deleted file mode 100644
index a93a26b..0000000
--- a/Makefile.rules.in
+++ /dev/null
@@ -1,89 +0,0 @@
-include Makefile.defs
-
-makedeps		+= $(SUBDIR)Makefile
-makedeps		+= Makefile
-makedeps		+= Makefile.defs
-makedeps		+= Makefile.rules
-
-configure:		configure.ac
-			sh autogen.sh
-
-%:			%.in	configure
-			sh configure
-
-%.o:			%.c	$(makedeps)
-			@echo -e "  CC\t\t$<"
-			$(CC) $(CFLAGS) -c -o $@ $<
-
-.%.d:			%.c	$(makedeps)
-			@echo -e "  DEP\t\t$<"
-			$(RM) $@
-			$(CC) -M $(CFLAGS) $< | sed 's,$(*F)\.o[ :]*,$*.o $@ : ,g' > $@
-
-%.c %.h:		%.y	$(makedeps)
-			@echo -e "  YACC\t\t$<"
-			$(YACC) $(YACCFLAGS) -d -o $@ $<
-
-%.c %.h:		%.l	$(makedeps)
-			@echo -e "  LEX\t\t$<"
-			$(LEX) -t --header-file=$(<:.l=.h) $< > $@
-
-%.8:			%.xml	$(makedeps)
-			@echo -e "  MAN\t\t$@"
-			(cd $(SUBDIR); docbook2x-man ../$<)
-
-%.pdf:			%.xml	$(makedeps)
-			@echo -e "  PDF\t\t$@"
-			db2pdf -o $(SUBDIR) $<
-
-archive:
-			git archive --prefix=nftables-@PACKAGE_VERSION@/ HEAD | \
-				bzip2 -c > nftables-@PACKAGE_VERSION@.tar.bz2
-
-define program_template
-$(1)-obj		:= $$(patsubst %,$(SUBDIR)%,$$($(1)-obj))
-$(1)-extra-clean-files	:= $$(patsubst %,$(SUBDIR)%,$$($(1)-extra-clean-files))
-
-depfiles		:= $$(patsubst $(SUBDIR)%.o,$(SUBDIR).%.d,$$($(1)-obj))
-
-$(SUBDIR)$(1):		$$($(1)-extra-targets) $$($(1)-obj)
-			@echo -e "  LD\t\t$$@"
-			$$(CC) $$($(1)-obj) $$(LDFLAGS) -o $$@
-all_targets		+= $(SUBDIR)$(1)
-
-.PHONY:			$(1)-clean
-$(1)-clean:
-			@echo -e "  CLEAN\t\t$(1)"
-			$$(RM) $$($(1)-obj) $$(depfiles) $$($(1)-extra-clean-files) $(SUBDIR)$(1)
-clean_targets		+= $(1)-clean
-
-.PHONY:			$(1)-install
-$(1)-install:
-			@echo -e "  INSTALL\t$1"
-			$(MKDIR_P) $$(DESTDIR)/$$($(1)-destdir)
-			$(INSTALL) -m 755 -o root -g root \
-				$(SUBDIR)$(1) \
-				$$(DESTDIR)/$$($(1)-destdir)/$(1)
-install_targets		+= $(1)-install
-
-ifneq ($(MAKECMDGOALS),clean)
--include $$(depfiles)
-endif
-endef
-
-ifneq ($(SUBDIR),)
-include $(SUBDIR)/Makefile
-$(foreach prog,$(PROGRAMS),$(eval $(call program_template,$(prog))))
-endif
-
-.DEFAULT_GOAL		:= all
-
-.PHONY:			all clean install
-all:			$(SUBDIRS) $(all_targets)
-clean:			$(SUBDIRS) $(clean_targets)
-install:		all $(SUBDIRS) $(install_targets)
-
-.PHONY: $(SUBDIRS)
-$(SUBDIRS):
-			@echo -e "  SUBDIR\t$@/"
-			@$(MAKE) -s -f Makefile.rules $(MAKECMDGOALS) SUBDIR="$@/" SUBDIRS=""
diff --git a/configure.ac b/configure.ac
index b850451..1d0dc58 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,8 +7,10 @@ AC_COPYRIGHT([Copyright (c) 2008 Patrick McHardy <kaber@xxxxxxxxx>])
 AC_INIT([nftables], [0.01-alpha1], [netfilter-devel@xxxxxxxxxxxxxxx])
 AC_DEFINE([RELEASE_NAME], ["sch�lefilter"], [Release name])
 
+AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR([src/rule.c])
 AC_CONFIG_HEADER([config.h])
+AM_INIT_AUTOMAKE([-Wall foreign subdir-objects tar-pax no-dist-gzip dist-xz])
 
 AC_DEFINE([_GNU_SOURCE], [], [Enable various GNU extensions])
 AC_DEFINE([_STDC_FORMAT_MACROS], [], [printf-style format macros])
@@ -24,35 +26,25 @@ AC_PROG_CC
 AC_PROG_INSTALL
 
 AC_CHECK_PROG(CONFIG_MAN, docbook2x-man, y, n)
+AM_CONDITIONAL([CONFIG_MAN], [test "$CONFIG_MAN" = y])
 if test "$CONFIG_MAN" != "y"
 then
 	AC_MSG_WARN([docbookx2-man not found, no manpages will be built])
 fi
 
 AC_CHECK_PROG(CONFIG_PDF, db2pdf, y, n)
+AM_CONDITIONAL([CONFIG_PDF], [test "$CONFIG_PDF" = y])
 if test "$CONFIG_PDF" != "y"
 then
 	AC_MSG_WARN([db2pdf not found, no PDF manpages will be built])
 fi
 
-AC_PATH_PROG(LEX, [flex])
-if test -z "$LEX"
-then
-	AC_MSG_ERROR([No suitable version of flex found])
-fi
-
-AC_PATH_PROG(YACC, [bison])
-if test -z "$YACC"
-then
-	AC_MSG_ERROR([No suitable version of bison found])
-fi
+AC_PROG_YACC
+AC_PROG_LEX
 
 # Checks for libraries.
-AC_CHECK_LIB([mnl], [mnl_socket_open], ,
-	     AC_MSG_ERROR([No suitable version of libmnl found]))
-
-AC_CHECK_LIB([nftables], [nft_rule_alloc], ,
-	     AC_MSG_ERROR([No suitable version of libnftables found]))
+PKG_CHECK_MODULES([libmnl], [libmnl])
+PKG_CHECK_MODULES([libnft], [libnftables])
 
 AC_CHECK_LIB([gmp], [__gmpz_init], ,
 	     AC_MSG_ERROR([No suitable version of libgmp found]))
@@ -60,6 +52,21 @@ AC_CHECK_LIB([gmp], [__gmpz_init], ,
 AC_CHECK_LIB([readline], [readline], ,
 	     AC_MSG_ERROR([No suitable version of libreadline found]))
 
-AC_CONFIG_FILES([Makefile Makefile.defs Makefile.rules])
+my_CPPFLAGS=""
+my_CFLAGS="-fno-strict-aliasing -Wall -Wstrict-prototypes \
+	-Wmissing-prototypes -Wmissing-declarations \
+	-Wdeclaration-after-statement -Wsign-compare -Winit-self \
+	-Wformat-nonliteral -Wformat-security -Wmissing-format-attribute \
+	-Wcast-align -Wundef -Wbad-function-cast -Waggregate-return -Wunused \
+	-Wwrite-strings"
+#-Wshadow
+if test "$CONFIG_DEBUG" = y; then
+	my_CFLAGS="$my_CFLAGS -O0 -ggdb3"
+	my_CPPFLAGS="$my_CPPFLAGS -DDEBUG"
+fi
+AC_SUBST([my_CPPFLAGS])
+AC_SUBST([my_CFLAGS])
+
+AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([src/Makefile doc/Makefile files/Makefile])
 AC_OUTPUT
diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..77ef71e
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,14 @@
+# -*- Makefile -*-
+
+if CONFIG_MAN
+man_MANS = nftables.8
+endif
+if CONFIG_PDF
+doc_DATA = nftables.pdf
+endif
+
+.xml.8:
+	docbook2x-man $<
+
+.xml.pdf:
+	db2pdf $<
diff --git a/doc/Makefile.in b/doc/Makefile.in
deleted file mode 100644
index 2c42d7e..0000000
--- a/doc/Makefile.in
+++ /dev/null
@@ -1,20 +0,0 @@
-mandocs-@CONFIG_MAN@	+= doc/nftables.8
-pdfdocs-@CONFIG_PDF@	+= doc/nftables.pdf
-
-all:		$(mandocs-y) $(pdfdocs-y)
-clean:
-		@echo -e "  CLEAN\t\tdoc"
-		$(RM) $(mandocs-y) $(pdfdocs-y)
-
-install:	$(mandocs-y) $(pdfdocs-y)
-		@echo -e "  INSTALL\tdoc"
-		if test -n "$(mandocs-y)"; then \
-			$(MKDIR_P) $(DESTDIR)/${mandir}/man8 ;\
-			$(INSTALL) -m 755 -o root -g root $(mandocs-y) \
-					$(DESTDIR)/${mandir}/man8/ ;\
-		fi
-		if test -n "$(pdfdocs-y)"; then \
-			$(MKDIR_P) $(DESTDIR)/${pdfdir} ;\
-			$(INSTALL) -m 755 -o root -g root $(pdfdocs-y) \
-					$(DESTDIR)/${pdfdir}/ ;\
-		fi
diff --git a/files/Makefile.am b/files/Makefile.am
new file mode 100644
index 0000000..9c001af
--- /dev/null
+++ b/files/Makefile.am
@@ -0,0 +1,6 @@
+# -*- Makefile -*-
+
+pkgsysconfdir = ${sysconfdir}/nftables
+pkgsysconf_DATA = nftables/bridge-filter nftables/ipv4-filter \
+	nftables/ipv4-mangle nftables/ipv4-nat nftables/ipv6-filter \
+	nftables/ipv6-mangle nftables/ipv6-nat
diff --git a/files/Makefile.in b/files/Makefile.in
deleted file mode 100644
index cd67c37..0000000
--- a/files/Makefile.in
+++ /dev/null
@@ -1,4 +0,0 @@
-install:
-	@echo -e "  INSTALL\tfiles"
-	$(MKDIR_P) $(DESTDIR)/$(confdir)
-	$(INSTALL) -m 755 -o root -g root $(SUBDIR)nftables/* $(DESTDIR)/$(confdir)/
diff --git a/install-sh b/install-sh
deleted file mode 100755
index d4744f0..0000000
--- a/install-sh
+++ /dev/null
@@ -1,269 +0,0 @@
-#!/bin/sh
-#
-# install - install a program, script, or datafile
-#
-# This originates from X11R5 (mit/util/scripts/install.sh), which was
-# later released in X11R6 (xc/config/util/install.sh) with the
-# following copyright and license.
-#
-# Copyright (C) 1994 X Consortium
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
-# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name of the X Consortium shall not
-# be used in advertising or otherwise to promote the sale, use or other deal-
-# ings in this Software without prior written authorization from the X Consor-
-# tium.
-#
-#
-# FSF changes to this file are in the public domain.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.  It can only install one file at a time, a restriction
-# shared with many OS's install programs.
-
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
-
-
-# put in absolute paths if you don't have them in your path; or use env. vars.
-
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-transformbasename=""
-transform_arg=""
-instcmd="$mvprog"
-chmodcmd="$chmodprog 0755"
-chowncmd=""
-chgrpcmd=""
-stripcmd=""
-rmcmd="$rmprog -f"
-mvcmd="$mvprog"
-src=""
-dst=""
-dir_arg=""
-
-while [ x"$1" != x ]; do
-    case $1 in
-	-c) instcmd="$cpprog"
-	    shift
-	    continue;;
-
-	-d) dir_arg=true
-	    shift
-	    continue;;
-
-	-m) chmodcmd="$chmodprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-o) chowncmd="$chownprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-g) chgrpcmd="$chgrpprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-s) stripcmd="$stripprog"
-	    shift
-	    continue;;
-
-	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
-	    shift
-	    continue;;
-
-	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
-	    shift
-	    continue;;
-
-	*)  if [ x"$src" = x ]
-	    then
-		src=$1
-	    else
-		# this colon is to work around a 386BSD /bin/sh bug
-		:
-		dst=$1
-	    fi
-	    shift
-	    continue;;
-    esac
-done
-
-if [ x"$src" = x ]
-then
-	echo "install:	no input file specified"
-	exit 1
-else
-	true
-fi
-
-if [ x"$dir_arg" != x ]; then
-	dst=$src
-	src=""
-	
-	if [ -d $dst ]; then
-		instcmd=:
-		chmodcmd=""
-	else
-		instcmd=mkdir
-	fi
-else
-
-# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
-# might cause directories to be created, which would be especially bad 
-# if $src (and thus $dsttmp) contains '*'.
-
-	if [ -f $src -o -d $src ]
-	then
-		true
-	else
-		echo "install:  $src does not exist"
-		exit 1
-	fi
-	
-	if [ x"$dst" = x ]
-	then
-		echo "install:	no destination specified"
-		exit 1
-	else
-		true
-	fi
-
-# If destination is a directory, append the input filename; if your system
-# does not like double slashes in filenames, you may need to add some logic
-
-	if [ -d $dst ]
-	then
-		dst="$dst"/`basename $src`
-	else
-		true
-	fi
-fi
-
-## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
-
-# Make sure that the destination directory exists.
-#  this part is taken from Noah Friedman's mkinstalldirs script
-
-# Skip lots of stat calls in the usual case.
-if [ ! -d "$dstdir" ]; then
-defaultIFS=' 	
-'
-IFS="${IFS-${defaultIFS}}"
-
-oIFS="${IFS}"
-# Some sh's can't handle IFS=/ for some reason.
-IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
-
-pathcomp=''
-
-while [ $# -ne 0 ] ; do
-	pathcomp="${pathcomp}${1}"
-	shift
-
-	if [ ! -d "${pathcomp}" ] ;
-        then
-		$mkdirprog "${pathcomp}"
-	else
-		true
-	fi
-
-	pathcomp="${pathcomp}/"
-done
-fi
-
-if [ x"$dir_arg" != x ]
-then
-	$doit $instcmd $dst &&
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
-else
-
-# If we're going to rename the final executable, determine the name now.
-
-	if [ x"$transformarg" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		dstfile=`basename $dst $transformbasename | 
-			sed $transformarg`$transformbasename
-	fi
-
-# don't allow the sed command to completely eliminate the filename
-
-	if [ x"$dstfile" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		true
-	fi
-
-# Make a temp file name in the proper directory.
-
-	dsttmp=$dstdir/#inst.$$#
-
-# Move or copy the file name to the temp name
-
-	$doit $instcmd $src $dsttmp &&
-
-	trap "rm -f ${dsttmp}" 0 &&
-
-# and set any options; do chmod last to preserve setuid bits
-
-# If any of these fail, we abort the whole thing.  If we want to
-# ignore errors from any of these, just make sure not to ignore
-# errors from the above "$doit $instcmd $src $dsttmp" command.
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
-
-# Now rename the file to the real destination.
-
-	$doit $rmcmd -f $dstdir/$dstfile &&
-	$doit $mvcmd $dsttmp $dstdir/$dstfile 
-
-fi &&
-
-
-exit 0
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..352e24f
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,24 @@
+# -*- Makefile -*-
+
+AM_CPPFLAGS = ${libmnl_CFLAGS} ${libnft_CFLAGS} -I${top_srcdir}/include \
+	-DDEFAULT_INCLUDE_PATH=\"${sysconfdir}/nftables\" ${my_CPPFLAGS}
+AM_CFLAGS   = ${my_CFLAGS}
+AM_YFLAGS   = -d
+
+sbin_PROGRAMS = nft
+
+nft_SOURCES = \
+	main.c cli.c rule.c statement.c datatype.c expression.c evaluate.c \
+	payload.c exthdr.c meta.c ct.c netlink.c netlink_linearize.c \
+	netlink_delinearize.c segtree.c rbtree.c gmputil.c utils.c erec.c \
+	mnl.c parser_impl.y scanner.l
+nft_LDADD = ${libmnl_LIBS} ${libnft_LIBS}
+
+parser_impl.${OBJEXT}: scanner.c
+
+scanner.h: scanner.c
+scanner.c: scanner.l
+	${AM_V_LEX}${LEX} -t --header-file=$(<:.l=.h) $< >$@
+
+LEX_OUTPUT_ROOT = lex.nft_
+CLEANFILES = parser_impl.c parser_impl.h scanner.c scanner.h
diff --git a/src/Makefile.in b/src/Makefile.in
deleted file mode 100644
index 7e5c9c4..0000000
--- a/src/Makefile.in
+++ /dev/null
@@ -1,30 +0,0 @@
-PROGRAMS		+= nft
-
-nft-destdir		:= @sbindir@
-
-nft-obj			+= main.o
-nft-obj			+= cli.o
-nft-obj			+= rule.o
-nft-obj			+= statement.o
-nft-obj			+= datatype.o
-nft-obj			+= expression.o
-nft-obj			+= evaluate.o
-nft-obj			+= payload.o
-nft-obj			+= exthdr.o
-nft-obj			+= meta.o
-nft-obj			+= ct.o
-nft-obj			+= netlink.o
-nft-obj			+= netlink_linearize.o
-nft-obj			+= netlink_delinearize.o
-nft-obj			+= segtree.o
-nft-obj			+= rbtree.o
-nft-obj			+= gmputil.o
-nft-obj			+= utils.o
-nft-obj			+= erec.o
-nft-obj			+= mnl.o
-
-nft-obj			+= parser_impl.o
-nft-extra-clean-files	+= parser_impl.c parser_impl.h
-
-nft-obj			+= scanner.o
-nft-extra-clean-files	+= scanner.c scanner.h
diff --git a/src/cli.c b/src/cli.c
index 8875207..43ae8ce 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -12,6 +12,7 @@
  * Development of this code funded by Astaro AG (http://www.astaro.com/)
  */
 
+#define _GNU_SOURCE 1
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdarg.h>
diff --git a/src/erec.c b/src/erec.c
index 7451d94..8247b94 100644
--- a/src/erec.c
+++ b/src/erec.c
@@ -8,6 +8,7 @@
  * Development of this code funded by Astaro AG (http://www.astaro.com/)
  */
 
+#define _GNU_SOURCE 1
 #include <stdio.h>
 #include <string.h>
 #include <stdarg.h>
diff --git a/src/main.c b/src/main.c
index 0c97120..a132f82 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,7 @@
  * Development of this code funded by Astaro AG (http://www.astaro.com/)
  */
 
+#include "config.h"
 #include <stdlib.h>
 #include <stddef.h>
 #include <unistd.h>
-- 
1.8.2

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