Merge branch 'int-new' into int-new-merged

64 files changed, 429 insertions, 586 deletions

diff --git a/Doc b/Doc
index f5f15087..77061390 100644
--- a/Doc
+++ b/Doc
@@ -1,3 +1,4 @@
+D doc/prog-head.sgml
 C doc
 C nest
 C conf
@@ -5,3 +6,4 @@ C filter
 C proto
 C sysdep
 C lib
+D doc/prog-foot.sgml
diff --git a/Makefile.in b/Makefile.in
new file mode 100644
index 00000000..c2f8ad4e
--- /dev/null
+++ b/Makefile.in
@@ -0,0 +1,156 @@
+# Makefile for the BIRD Internet Routing Daemon
+# (c) 1999--2000 Martin Mares <mj@ucw.cz>
+# (c) 2016       Jan Moskyto Matejka <mq@ucw.cz>
+
+# Disable build-in rules
+MAKEFLAGS += -r
+
+# Variable definitions
+CPPFLAGS=-I$(objdir) -I$(srcdir) @CPPFLAGS@
+CFLAGS=$(CPPFLAGS) @CFLAGS@
+LDFLAGS=@LDFLAGS@
+LIBS=@LIBS@
+CLIENT_LIBS=@CLIENT_LIBS@
+CC=@CC@
+M4=@M4@
+BISON=@BISON@
+FLEX=@FLEX@
+RANLIB=@RANLIB@
+INSTALL=@INSTALL@
+INSTALL_PROGRAM=@INSTALL_PROGRAM@
+INSTALL_DATA=@INSTALL_DATA@
+
+client=$(addprefix $(exedir)/,@CLIENT@)
+daemon=$(exedir)/bird
+protocols  = @protocols@
+
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+sbindir=@sbindir@
+sysconfdir=@sysconfdir@
+localstatedir=@localstatedir@
+docdir=@prefix@/doc
+
+srcdir := @srcdir@
+objdir := @objdir@
+exedir := @exedir@
+
+ifeq ($(objdir),.)
+  objdir := $(realpath .)
+endif
+
+ifeq ($(VERBOSE),)
+  Q:=@
+else
+  Q:=
+endif
+
+# Meta rules
+cleangoals := clean distclean
+docgoals := docs userdocs progdocs
+.PHONY: all daemon cli $(cleangoals) $(docgoals) tags
+all: daemon cli
+
+daemon: $(daemon)
+cli: $(client)
+
+# Include directories
+dirs := client conf doc filter lib nest $(addprefix proto/,$(protocols)) @sysdep_dirs@
+
+conf-y-targets := $(addprefix $(objdir)/conf/,cf-parse.y keywords.h commands.h)
+cf-local = $(conf-y-targets): $(s)config.Y
+
+src-o-files = $(patsubst %.c,$(o)%.o,$(src))
+
+all-daemon = $(exedir)/bird: $(obj)
+all-client = $(exedir)/birdc $(exedir)/birdcl: $(obj)
+
+s = $(dir $(lastword $(MAKEFILE_LIST)))
+ifeq ($(srcdir),.)
+  o = $(objdir)/$(s)
+else
+  o = $(patsubst $(srcdir)%,$(objdir)%,$(s))
+endif
+
+define clean_in =
+clean::
+	rm -f $(addprefix $(o),$(1))
+endef
+
+clean = $(eval $(call clean_in,$(1)))
+
+include $(addsuffix /Makefile,$(addprefix $(srcdir)/,$(dirs)))
+
+# Generic rules
+
+$(objdir)/%.o: $(srcdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h
+	$(Q)echo CC -o $@ -c $<
+	$(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -c $<
+
+$(objdir)/%.o: $(objdir)/%.c $(objdir)/.dir-stamp $(objdir)/sysdep/paths.h
+	$(Q)echo CC -o $@ -c $<
+	$(Q)$(CC) $(CFLAGS) -MMD -MP -o $@ -c $<
+
+$(objdir)/.dir-stamp:
+	$(Q)echo MKDIR -p $(addprefix $(objdir)/,$(dirs) doc)
+	$(Q)mkdir -p $(addprefix $(objdir)/,$(dirs) doc)
+	$(Q)touch $@
+
+$(client) $(daemon):
+	$(Q)echo LD $(LDFLAGS) -o $@ $^ $(LIBS)
+	$(Q)$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+$(objdir)/sysdep/paths.h: Makefile
+	echo  >$@ "/* Generated by Makefile, don't edit manually! */"
+	echo >>$@ "#define PATH_CONFIG_FILE \"@CONFIG_FILE@\""
+	echo >>$@ "#define PATH_CONTROL_SOCKET \"@CONTROL_SOCKET@\""
+	if test -n "@iproutedir@" ; then echo >>$@ "#define PATH_IPROUTE_DIR \"@iproutedir@\"" ; fi
+
+# Finally include the computed dependencies
+
+ifneq ($(filter-out $(cleangoals),$(MAKECMDGOALS)),)
+-include $(shell find $(objdir) -name "*.d")
+endif
+
+ifeq ($(MAKECMDGOALS),)
+-include $(shell find $(objdir) -name "*.d")
+endif
+
+tags:
+	cd $(srcdir) ; etags -lc `find $(dirs) -name *.[chY]`
+
+# Install
+
+install: all
+	$(INSTALL) -d $(DESTDIR)/$(sbindir) $(DESTDIR)/$(sysconfdir) $(DESTDIR)/@runtimedir@
+	$(INSTALL_PROGRAM) $(exedir)/bird $(DESTDIR)/$(sbindir)/bird
+	$(INSTALL_PROGRAM) $(exedir)/birdcl $(DESTDIR)/$(sbindir)/birdcl
+	if test -n "@CLIENT@" ; then								\
+		$(INSTALL_PROGRAM) $(exedir)/birdc $(DESTDIR)/$(sbindir)/birdc ;		\
+	fi
+	if ! test -f $(DESTDIR)/@CONFIG_FILE@ ; then						\
+		$(INSTALL_DATA) $(srcdir)/doc/bird.conf.example $(DESTDIR)/@CONFIG_FILE@ ;	\
+	else											\
+		echo "Not overwriting old bird.conf" ;						\
+	fi
+
+install-docs:
+	$(INSTALL) -d $(DESTDIR)/$(docdir)
+	$(INSTALL_DATA) $(objdir)/doc/{bird,prog}{,-*}.html $(DESTDIR)/$(docdir)/
+
+# Cleanup
+clean::
+	rm -f $(objdir)/sysdep/paths.h
+	rm -f $(addprefix $(exedir)/,bird birdc birdcl)
+	find $(objdir) -name "*.[od]" -exec rm -f '{}' '+'
+
+ifeq ($(objdir),obj)
+distclean: clean
+	rm -rf $(objdir)
+	rm -f config.log config.status configure Makefile
+else
+distclean: clean
+	rm -rf * .dir-stamp
+	rm -f config.log config.status configure Makefile
+endif
diff --git a/client/Makefile b/client/Makefile
index a1578766..9bdcb815 100644
--- a/client/Makefile
+++ b/client/Makefile
@@ -1,11 +1,11 @@
-source=commands.c util.c client.c
-root-rel=../
-dir-name=client
+src := commands.c util.c client.c
+obj := $(src-o-files)
 
-clients := $(client) birdcl
+$(all-client)
 
-source-dep := $(source) $(addsuffix .c,$(clients))
+$(o)commands.c.dep: $(objdir)/conf/commands.h
 
-subdir: $(addsuffix .o,$(clients))
+$(exedir)/birdc: $(o)birdc.o
+$(exedir)/birdc: LIBS += $(CLIENT_LIBS)
 
-include ../Rules
+$(exedir)/birdcl: $(o)birdcl.o
diff --git a/conf/Makefile b/conf/Makefile
index 5d729a42..c4121805 100644
--- a/conf/Makefile
+++ b/conf/Makefile
@@ -1,31 +1,29 @@
-source=cf-parse.tab.c cf-lex.c conf.c
-root-rel=../
+src := cf-parse.tab.c cf-lex.c conf.c
+obj := $(src-o-files)
 
-include ../Rules
-
-conf-src=$(srcdir)/conf
-conf-fragments=$(conf-src)/confbase.Y @CONFS@ $(addsuffix /config.Y,$(static-dir-paths))
+$(all-daemon)
 
 ifdef DEBUG
 BISON_DEBUG=-t
 #FLEX_DEBUG=-d
 endif
 
-cf-parse.tab.h: cf-parse.tab.c
+$(o)cf-parse.tab.h: $(o)cf-parse.tab.c
 
-cf-parse.tab.c: cf-parse.y
-	$(BISON) -bcf-parse -dv -pcf_ $(BISON_DEBUG) cf-parse.y
+$(o)cf-parse.tab.c: $(o)cf-parse.y
+	echo $< $@ $(o)
+	$(BISON) -b$(@:.tab.c=) -dv -pcf_ $(BISON_DEBUG) $<
 
-cf-parse.y: $(conf-fragments) $(conf-src)/gen_parser.m4
-	$(M4) -P $(conf-src)/gen_parser.m4 $(conf-fragments) >cf-parse.y
+$(conf-y-targets): $(s)confbase.Y
+	$(M4) -P $| $^ >$@
 
-keywords.h: $(conf-fragments) $(conf-src)/gen_keywords.m4
-	$(M4) -P $(conf-src)/gen_keywords.m4 $(conf-fragments) >keywords.h
+$(o)cf-parse.y: | $(s)gen_parser.m4
+$(o)keywords.h: | $(s)gen_keywords.m4
+$(o)commands.h: | $(s)gen_commands.m4 $(srcdir)/client/cmds.m4
 
-commands.h: $(conf-fragments) $(conf-src)/gen_commands.m4 $(srcdir)/client/cmds.m4
-	$(M4) -P $(conf-src)/gen_commands.m4 $(srcdir)/client/cmds.m4 $(conf-fragments) | sort >commands.h
+$(o)cf-lex.c: $(s)cf-lex.l $(o)cf-parse.tab.h $(o)keywords.h $(o)commands.h
+	$(FLEX) $(FLEX_DEBUG) -s -B -8 -o$@ -Pcf_ $<
 
-cf-lex.c: cf-lex.l
-	$(FLEX) $(FLEX_DEBUG) -s -B -8 -ocf-lex.c -Pcf_ cf-lex.l
+$(addprefix $(o),cf-parse.tab.h cf-parse.tab.c cf-parse.y keywords.h commands.h cf-lex.c): $(objdir)/.dir-stamp
 
-depend: keywords.h commands.h cf-parse.tab.c cf-lex.c
+$(call clean,cf-parse.tab.h cf-parse.tab.c cf-parse.y keywords.h commands.h cf-lex.c cf-parse.output)
diff --git a/conf/conf.c b/conf/conf.c
index 3fd10ad8..8d4d28e3 100644
--- a/conf/conf.c
+++ b/conf/conf.c
@@ -52,7 +52,7 @@
 #include "lib/resource.h"
 #include "lib/string.h"
 #include "lib/event.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "conf/conf.h"
 #include "filter/filter.h"
 
diff --git a/conf/conf.h b/conf/conf.h
index 8e490c7b..03fecd32 100644
--- a/conf/conf.h
+++ b/conf/conf.h
@@ -10,7 +10,7 @@
 #define _BIRD_CONF_H_
 
 #include "lib/resource.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 
 
 /* Configuration structure */
diff --git a/conf/confbase.Y b/conf/confbase.Y
index 22aee770..d5fd2133 100644
--- a/conf/confbase.Y
+++ b/conf/confbase.Y
@@ -14,7 +14,7 @@ CF_HDR
 #include "conf/conf.h"
 #include "lib/resource.h"
 #include "lib/socket.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "lib/string.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
diff --git a/configure.in b/configure.in
index 1c2c2fe1..f1697c12 100644
--- a/configure.in
+++ b/configure.in
@@ -23,24 +23,16 @@ AC_ARG_VAR([M4], [location of the M4 program])
 if test "$srcdir" = . ; then
 	# Building in current directory => create obj directory holding all objects
 	objdir=obj
-	mkdir -p obj
-	srcdir_rel=..
-	makefiles="Makefile:tools/Makefile-top.in obj/Makefile:tools/Makefile.in obj/Rules:tools/Rules.in"
-	exedir=..
 else
 	# Building in separate directory
 	objdir=.
-	srcdir_rel=$srcdir
-	makefiles="Makefile:tools/Makefile.in Rules:tools/Rules.in"
-	exedir=.
 fi
-case $srcdir_rel in
-	/*)	srcdir_rel_mf=$srcdir_rel ;;
-	*)	srcdir_rel_mf="\$(root-rel)$srcdir_rel" ;;
-esac
+
+exedir=.
+
 AC_SUBST(objdir)
 AC_SUBST(exedir)
-AC_SUBST(srcdir_rel_mf)
+AC_SUBST(srcdir)
 AC_SUBST(runtimedir)
 
 
@@ -162,7 +154,7 @@ sysname=`echo $sysdesc | sed 's/\.h$//'`
 AC_DEFINE_UNQUOTED(SYSCONF_INCLUDE, "$sysdesc")
 
 AC_MSG_CHECKING([system-dependent directories])
-sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '` lib"
+sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '`"
 AC_MSG_RESULT($sysdep_dirs)
 AC_SUBST(sysdep_dirs)
 
@@ -234,10 +226,10 @@ if test "$enable_debug" = yes ; then
 	fi
 fi
 
-CLIENT=
+CLIENT=birdcl
 CLIENT_LIBS=
 if test "$enable_client" = yes ; then
-	CLIENT=birdc
+	CLIENT="$CLIENT birdc"
 	AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory")
 	AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses,
 		AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses,
@@ -255,17 +247,9 @@ AC_SUBST(CLIENT_LIBS)
 
 mkdir -p $objdir/sysdep
 AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in])
-AC_CONFIG_COMMANDS([merge],[[export CPP="$CPP"
-$srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs]],
-	[[srcdir=$srcdir]
-	[srcdir_rel=$srcdir_rel]
-	[objdir=$objdir]
-	[sysdep_dirs="$sysdep_dirs"]])
-AC_CONFIG_FILES($makefiles)
+AC_CONFIG_FILES(Makefile:Makefile.in)
 AC_OUTPUT
 
-rm -f $objdir/sysdep/paths.h
-
 cat >&AC_FD_MSG <<EOF
 
 BIRD was configured with the following options:
diff --git a/doc/LinuxDocTools.pm b/doc/LinuxDocTools.pm
index 51d4a04c..39bb401d 100644
--- a/doc/LinuxDocTools.pm
+++ b/doc/LinuxDocTools.pm
@@ -372,6 +372,8 @@ sub process_file
         }
     }
   #
+
+  local $ENV{PATH} = "$ENV{PATH}:/usr/lib/linuxdoc-tools";
   my($precmd) = "|sgmlpre output=$global->{format} $global->{define}";
 
   #
diff --git a/doc/Makefile b/doc/Makefile
index f88c3205..3ff73389 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -1,46 +1,48 @@
-root-rel=../
-dir-name=doc
-
-ifneq ($(wildcard ../Rules),)
-include ../Rules
-else
-srcdir=$(shell cd $(root-rel) ; pwd)
-srcdir_abs=$(srcdir)
-endif
-
 # Force rebuilds
-.PHONY: prog.sgml bird.sgml
+.PHONY: progspell docs progdocs userdocs
+
+doc-srcdir := $(shell cd $(s) && pwd)
+sgml2 := $(doc-srcdir)/sgml2
 
 docs: progdocs userdocs
-progdocs: prog.html prog.ps
-userdocs: bird.html bird.ps
 
-prog.sgml:
-	$(srcdir)/tools/progdoc $(srcdir_abs)
+doc-fmt = $(1): $(o)prog.$(1) $(o)bird.$(1)
+$(call doc-fmt,html)
+$(call doc-fmt,dvi)
+$(call doc-fmt,ps)
+$(call doc-fmt,pdf)
+
+progdocs: $(o)prog.html $(o)prog.pdf
+userdocs: $(o)bird.html $(o)bird.pdf
+progspell: $(o)prog.spell
+
+$(o)prog.sgml: $(srcdir)/tools/progdoc $(objdir)/.dir-stamp
+	$(srcdir)/tools/progdoc $(srcdir) $@
+
+$(o)%.sgml: $(s)%.sgml $(objdir)/.dir-stamp
+	cp $< $@
 
-%.html: %.sgml
-	./sgml2html $<
+$(o)%.html: $(o)%.sgml
+	cd $(dir $@) && $(sgml2)html $(notdir $<)
 
-%.dvi: %.tex
-	latex $<
-	latex $<
+$(o)%.dvi: $(o)%.tex
+	cd $(dir $@) && TEXINPUTS=$(TEXINPUTS):$(doc-srcdir)/tex latex $(notdir $<)
+	cd $(dir $@) && TEXINPUTS=$(TEXINPUTS):$(doc-srcdir)/tex latex $(notdir $<)
 
-%.ps: %.dvi
+$(o)%.ps: $(o)%.dvi
 	dvips -D600 -ta4 -o $@ $<
 
-%.tex: %.sgml
-	./sgml2latex --output=tex $<
+$(o)%.pdf: $(o)%.ps
+	ps2pdf $< $@
 
-%.txt: %.sgml
-	./sgml2txt $<
+$(o)%.tex: $(o)%.sgml
+	cd $(dir $@) && $(sgml2)latex --output=tex $(notdir $<)
 
-progspell: prog.sgml
-	sed -f prog-spell.sed <prog.sgml >prog.spell
-	ispell prog.spell
+$(o)%.txt: $(o)%.sgml
+	cd $(dir $@) && $(sgml2)txt $(notdir $<)
 
-clean:
-	rm -f *.tex *.dvi *.log *.txt *.aux *.toc *.spell
-	rm -f prog.sgml
+$(o)prog.spell: $(o)prog.sgml $(s)prog-spell.sed
+	sed -f $(lastword $^) <$< >$@
+	ispell $@
 
-distclean: clean
-	rm -f *.html *.ps
+$(call clean,prog.spell $(addprefix *.,html dvi ps pdf sgml tex txt aux log toc))
diff --git a/doc/sgml2html b/doc/sgml2html
index 774a03d5..a5bbee9e 100755
--- a/doc/sgml2html
+++ b/doc/sgml2html
@@ -17,8 +17,10 @@ use strict;
 
 use vars qw($prefix $DataDir $BinDir $progs);
 
+use FindBin;
+
 $prefix = "/usr";
-$DataDir = "sbase";
+$DataDir = "$FindBin::Bin/sbase";
 $BinDir = "/usr/bin";
 
 use lib "/usr/share/linuxdoc-tools";
@@ -32,9 +34,9 @@ $progs = {
   "GROFFMACRO" => "-ms",
   "AWK" => "/usr/share/linuxdoc-tools/awkwhich"
 };
-$ENV{"SGML_CATALOG_FILES"} = "sbase/dtd/catalog";
+$ENV{"SGML_CATALOG_FILES"} = "$DataDir/dtd/catalog";
 
-require "./LinuxDocTools.pm";
+require "$FindBin::Bin/LinuxDocTools.pm";
 &LinuxDocTools::init;
 
 my @FileList = LinuxDocTools::process_options ("html", @ARGV);
diff --git a/doc/sgml2latex b/doc/sgml2latex
index 27aae4c8..02b60d94 100755
--- a/doc/sgml2latex
+++ b/doc/sgml2latex
@@ -17,8 +17,10 @@ use strict;
 
 use vars qw($prefix $DataDir $BinDir $progs);
 
+use FindBin;
+
 $prefix = "/usr";
-$DataDir = "sbase";
+$DataDir = "$FindBin::Bin/sbase";
 $BinDir = "/usr/bin";
 
 use lib "/usr/share/linuxdoc-tools";
@@ -32,9 +34,9 @@ $progs = {
   "GROFFMACRO" => "-ms",
   "AWK" => "/usr/share/linuxdoc-tools/awkwhich"
 };
-$ENV{"SGML_CATALOG_FILES"} = "sbase/dtd/catalog";
+$ENV{"SGML_CATALOG_FILES"} = "$DataDir/dtd/catalog";
 
-require "./LinuxDocTools.pm";
+require "$FindBin::Bin/LinuxDocTools.pm";
 &LinuxDocTools::init;
 
 my @FileList = LinuxDocTools::process_options ("latex", @ARGV);
diff --git a/doc/sgml2txt b/doc/sgml2txt
index 90dc4855..dfc017de 100755
--- a/doc/sgml2txt
+++ b/doc/sgml2txt
@@ -17,8 +17,10 @@ use strict;
 
 use vars qw($prefix $DataDir $BinDir $progs);
 
+use FindBin;
+
 $prefix = "/usr";
-$DataDir = "sbase";
+$DataDir = "$FindBin::Bin/sbase";
 $BinDir = "/usr/bin";
 
 use lib "/usr/share/linuxdoc-tools";
@@ -32,9 +34,9 @@ $progs = {
   "GROFFMACRO" => "-ms",
   "AWK" => "/usr/share/linuxdoc-tools/awkwhich"
 };
-$ENV{"SGML_CATALOG_FILES"} = "sbase/dtd/catalog";
+$ENV{"SGML_CATALOG_FILES"} = "$DataDir/dtd/catalog";
 
-require "./LinuxDocTools.pm";
+require "$FindBin::Bin/LinuxDocTools.pm";
 &LinuxDocTools::init;
 
 my @FileList = LinuxDocTools::process_options ("txt", @ARGV);
diff --git a/filter/Makefile b/filter/Makefile
index 2de598da..f27befdf 100644
--- a/filter/Makefile
+++ b/filter/Makefile
@@ -1,5 +1,4 @@
-source=f-util.c filter.c tree.c trie.c
-root-rel=../
-dir-name=filter
-
-include ../Rules
+src := filter.c f-util.c tree.c trie.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/lib/Doc b/lib/Doc
index 8f513821..8af1c669 100644
--- a/lib/Doc
+++ b/lib/Doc
@@ -1,5 +1,5 @@
 H Library functions
-S ip.c ipv4.c ipv6.c
+S ip.c
 S lists.c
 S checksum.c bitops.c patmatch.c printf.c xmalloc.c tbf.c
 D resource.sgml
diff --git a/lib/Makefile b/lib/Makefile
new file mode 100644
index 00000000..a9aae66f
--- /dev/null
+++ b/lib/Makefile
@@ -0,0 +1,7 @@
+src := bitops.c checksum.c ip.c lists.c md5.c net.c patmatch.c printf.c sha1.c sha256.c sha512.c slists.c xmalloc.c
+obj := $(src-o-files)
+$(all-client)
+
+src := bitops.c checksum.c event.c idm.c ip.c lists.c md5.c mempool.c net.c patmatch.c printf.c resource.c sha1.c sha256.c sha512.c slab.c slists.c tbf.c xmalloc.c
+obj := $(src-o-files)
+$(all-daemon)
diff --git a/lib/Modules b/lib/Modules
deleted file mode 100644
index 6b9b4b0f..00000000
--- a/lib/Modules
+++ /dev/null
@@ -1,36 +0,0 @@
-sha256.c
-sha256.h
-sha512.c
-sha512.h
-sha1.c
-sha1.h
-birdlib.h
-bitops.c
-bitops.h
-idm.c
-idm.h
-ip.c
-ip.h
-lists.c
-lists.h
-md5.c
-md5.h
-mempool.c
-resource.c
-resource.h
-slab.c
-socket.h
-tbf.c
-unaligned.h
-xmalloc.c
-printf.c
-string.h
-patmatch.c
-slists.c
-slists.h
-event.c
-event.h
-checksum.c
-checksum.h
-alloca.h
-net.c
diff --git a/lib/birdlib.h b/lib/birdlib.h
index ece50dc2..78df81d6 100644
--- a/lib/birdlib.h
+++ b/lib/birdlib.h
@@ -9,8 +9,8 @@
 #ifndef _BIRD_BIRDLIB_H_
 #define _BIRD_BIRDLIB_H_
 
-#include "timer.h"
-#include "alloca.h"
+#include "sysdep/unix/timer.h"
+#include "lib/alloca.h"
 
 /* Ugly structure offset handling macros */
 
diff --git a/lib/ip.h b/lib/ip.h
index 3191e307..ffc1b232 100644
--- a/lib/ip.h
+++ b/lib/ip.h
@@ -9,7 +9,7 @@
 #ifndef _BIRD_IP_H_
 #define _BIRD_IP_H_
 
-#include "lib/endian.h"
+#include "sysdep/unix/endian.h"
 #include "lib/string.h"
 #include "lib/bitops.h"
 #include "lib/unaligned.h"
diff --git a/lib/unaligned.h b/lib/unaligned.h
index 130b2479..ad5811ab 100644
--- a/lib/unaligned.h
+++ b/lib/unaligned.h
@@ -17,7 +17,7 @@
  *  if possible.
  */
 
-#include "lib/endian.h"
+#include "sysdep/unix/endian.h"
 #include "lib/string.h"
 
 static inline u16
diff --git a/nest/Makefile b/nest/Makefile
index 478a82b7..6f0f9a08 100644
--- a/nest/Makefile
+++ b/nest/Makefile
@@ -1,6 +1,4 @@
-source=rt-table.c rt-fib.c rt-attr.c proto.c iface.c rt-dev.c password.c cli.c locks.c cmds.c neighbor.c \
-	a-path.c a-set.c
-root-rel=../
-dir-name=nest
-
-include ../Rules
+src := a-path.c a-set.c cli.c cmds.c iface.c locks.c neighbor.c password.c proto.c rt-attr.c rt-dev.c rt-fib.c rt-table.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/nest/password.h b/nest/password.h
index 1d9de53c..cbf80b99 100644
--- a/nest/password.h
+++ b/nest/password.h
@@ -9,7 +9,7 @@
 
 #ifndef PASSWORD_H
 #define PASSWORD_H
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 
 struct password_item {
   node n;
diff --git a/nest/protocol.h b/nest/protocol.h
index 19f5d070..2d640504 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -12,7 +12,7 @@
 #include "lib/lists.h"
 #include "lib/resource.h"
 #include "lib/event.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "nest/route.h"
 #include "conf/conf.h"
 
@@ -271,7 +271,7 @@ proto_get_router_id(struct proto_config *pc)
 }
 
 /* Moved from route.h to avoid dependency conflicts */
-static inline void rte_update(struct proto *p, net *net, rte *new) { rte_update2(p->main_channel, net, new, p->main_source); }
+static inline void rte_update(struct proto *p, net_addr *n, rte *new) { rte_update2(p->main_channel, n, new, p->main_source); }
 
 extern list proto_list;
 
diff --git a/nest/route.h b/nest/route.h
index 11b08ce5..39475309 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -11,7 +11,7 @@
 
 #include "lib/lists.h"
 #include "lib/resource.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 //#include "nest/protocol.h"
 
 struct ea_list;
@@ -276,7 +276,7 @@ static inline net *net_get(rtable *tab, const net_addr *addr) { return (net *) f
 
 rte *rte_find(net *net, struct rte_src *src);
 rte *rte_get_temp(struct rta *);
-void rte_update2(struct channel *c, net *net, rte *new, struct rte_src *src);
+void rte_update2(struct channel *c, net_addr *n, rte *new, struct rte_src *src);
 /* rte_update() moved to protocol.h to avoid dependency conflicts */
 void rte_discard(rtable *tab, rte *old);
 int rt_examine(rtable *t, net_addr *a, struct proto *p, struct filter *filter);
diff --git a/nest/rt-dev.c b/nest/rt-dev.c
index a996f4fc..098885b9 100644
--- a/nest/rt-dev.c
+++ b/nest/rt-dev.c
@@ -55,24 +55,15 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad)
 
   if (flags & IF_CHANGE_DOWN)
     {
-      net *n;
-
       DBG("dev_if_notify: %s:%I going down\n", ad->iface->name, ad->ip);
-      n = net_find(c->table, &ad->prefix);
-      if (!n)
-	{
-	  DBG("dev_if_notify: device shutdown: prefix not found\n");
-	  return;
-	}
 
       /* Use iface ID as local source ID */
       struct rte_src *src = rt_get_source(P, ad->iface->index);
-      rte_update2(c, n, NULL, src);
+      rte_update2(c, &ad->prefix, NULL, src);
     }
   else if (flags & IF_CHANGE_UP)
     {
       rta *a;
-      net *n;
       rte *e;
 
       DBG("dev_if_notify: %s:%I going up\n", ad->iface->name, ad->ip);
@@ -90,11 +81,9 @@ dev_ifa_notify(struct proto *P, uint flags, struct ifa *ad)
       };
 
       a = rta_lookup(&a0);
-      n = net_get(c->table, &ad->prefix);
       e = rte_get_temp(a);
-      e->net = n;
       e->pflags = 0;
-      rte_update2(c, n, e, src);
+      rte_update2(c, &ad->prefix, e, src);
     }
 }
 
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 03ab3b92..9614d9ef 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -1267,19 +1267,23 @@ rte_unhide_dummy_routes(net *net, rte **dummy)
  */
 
 void
-rte_update2(struct channel *c, net *net, rte *new, struct rte_src *src)
+rte_update2(struct channel *c, net_addr *n, rte *new, struct rte_src *src)
 {
   struct proto *p = c->proto;
   struct proto_stats *stats = &c->stats;
   struct filter *filter = c->in_filter;
   ea_list *tmpa = NULL;
   rte *dummy = NULL;
+  net *nn;
 
   ASSERT(c->channel_state == CS_UP);
 
   rte_update_lock();
   if (new)
     {
+      nn = net_get(c->table, n);
+
+      new->net = nn;
       new->sender = c;
 
       if (!new->pref)
@@ -1333,7 +1337,7 @@ rte_update2(struct channel *c, net *net, rte *new, struct rte_src *src)
     {
       stats->imp_withdraws_received++;
 
-      if (!net || !src)
+      if (!(nn = net_find(c->table, n)) || !src)
 	{
 	  stats->imp_withdraws_ignored++;
 	  rte_update_unlock();
@@ -1342,9 +1346,9 @@ rte_update2(struct channel *c, net *net, rte *new, struct rte_src *src)
     }
 
  recalc:
-  rte_hide_dummy_routes(net, &dummy);
-  rte_recalculate(c, net, new, src);
-  rte_unhide_dummy_routes(net, &dummy);
+  rte_hide_dummy_routes(nn, &dummy);
+  rte_recalculate(c, nn, new, src);
+  rte_unhide_dummy_routes(nn, &dummy);
   rte_update_unlock();
   return;
 
diff --git a/proto/bfd/Makefile b/proto/bfd/Makefile
index c28cedec..489216d8 100644
--- a/proto/bfd/Makefile
+++ b/proto/bfd/Makefile
@@ -1,5 +1,4 @@
-source=bfd.c packets.c io.c
-root-rel=../../
-dir-name=proto/bfd
-
-include ../../Rules
+src := bfd.c io.c packets.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/bfd/io.h b/proto/bfd/io.h
index 641ee054..45836f84 100644
--- a/proto/bfd/io.h
+++ b/proto/bfd/io.h
@@ -12,7 +12,7 @@
 #include "lib/resource.h"
 #include "lib/event.h"
 #include "lib/socket.h"
-// #include "lib/timer.h"
+// #include "sysdep/unix/timer.h"
 
 
 typedef struct timer2
diff --git a/proto/bgp/Makefile b/proto/bgp/Makefile
index a634cf0d..f4958867 100644
--- a/proto/bgp/Makefile
+++ b/proto/bgp/Makefile
@@ -1,5 +1,4 @@
-source=bgp.c attrs.c packets.c
-root-rel=../../
-dir-name=proto/bgp
-
-include ../../Rules
+src := attrs.c bgp.c packets.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/ospf/Makefile b/proto/ospf/Makefile
index f90222cf..fe52ed30 100644
--- a/proto/ospf/Makefile
+++ b/proto/ospf/Makefile
@@ -1,5 +1,4 @@
-source=ospf.c topology.c packet.c hello.c neighbor.c iface.c dbdes.c lsreq.c lsupd.c lsack.c lsalib.c rt.c
-root-rel=../../
-dir-name=proto/ospf
-
-include ../../Rules
+src := dbdes.c hello.c iface.c lsack.c lsalib.c lsreq.c lsupd.c neighbor.c ospf.c packet.c rt.c topology.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index 3d70df7b..4f445f07 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -18,7 +18,7 @@
 #include "lib/lists.h"
 #include "lib/slists.h"
 #include "lib/socket.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "lib/resource.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 0855f21f..5538f4c8 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -1973,7 +1973,6 @@ again1:
 
       if (reload || ort_changed(nf, &a0))
       {
-	net *ne = net_get(p->p.main_channel->table, nf->fn.addr);
 	rta *a = rta_lookup(&a0);
 	rte *e = rte_get_temp(a);
 
@@ -1984,11 +1983,10 @@ again1:
 	e->u.ospf.tag = nf->old_tag = nf->n.tag;
 	e->u.ospf.router_id = nf->old_rid = nf->n.rid;
 	e->pflags = 0;
-	e->net = ne;
 
 	DBG("Mod rte type %d - %N via %I on iface %s, met %d\n",
 	    a0.source, nf->fn.addr, a0.gw, a0.iface ? a0.iface->name : "(none)", nf->n.metric1);
-	rte_update(&p->p, ne, e);
+	rte_update(&p->p, nf->fn.addr, e);
       }
     }
     else if (nf->old_rta)
@@ -1997,8 +1995,7 @@ again1:
       rta_free(nf->old_rta);
       nf->old_rta = NULL;
 
-      net *ne = net_get(p->p.main_channel->table, nf->fn.addr);
-      rte_update(&p->p, ne, NULL);
+      rte_update(&p->p, nf->fn.addr, NULL);
     }
 
     /* Remove unused rt entry, some special entries are persistent */
diff --git a/proto/pipe/Makefile b/proto/pipe/Makefile
index 77de5b88..c258a3e5 100644
--- a/proto/pipe/Makefile
+++ b/proto/pipe/Makefile
@@ -1,6 +1,4 @@
-source=pipe.c
-root-rel=../../
-dir-name=proto/pipe
-
-include ../../Rules
-
+src := pipe.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/pipe/pipe.c b/proto/pipe/pipe.c
index f3df3e71..d40b3f91 100644
--- a/proto/pipe/pipe.c
+++ b/proto/pipe/pipe.c
@@ -50,7 +50,6 @@ pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *o
   struct channel *dst = (src_ch == p->pri) ? p->sec : p->pri;
   struct rte_src *src;
 
-  net *nn;
   rte *e;
   rta a;
 
@@ -64,7 +63,6 @@ pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *o
       return;
     }
 
-  nn = net_get(dst->table, n->n.addr);
   if (new)
     {
       memcpy(&a, new->attrs, sizeof(rta));
@@ -73,7 +71,6 @@ pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *o
       a.eattrs = attrs;
       a.hostentry = NULL;
       e = rte_get_temp(&a);
-      e->net = nn;
       e->pflags = 0;
 
       /* Copy protocol specific embedded attributes. */
@@ -90,7 +87,7 @@ pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *o
     }
 
   src_ch->table->pipe_busy = 1;
-  rte_update2(dst, nn, e, src);
+  rte_update2(dst, n->n.addr, e, src);
   src_ch->table->pipe_busy = 0;
 }
 
diff --git a/proto/radv/Makefile b/proto/radv/Makefile
index efc4d4af..3584a5f3 100644
--- a/proto/radv/Makefile
+++ b/proto/radv/Makefile
@@ -1,5 +1,4 @@
-source=radv.c packets.c
-root-rel=../../
-dir-name=proto/radv
-
-include ../../Rules
+src := packets.c radv.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/radv/radv.h b/proto/radv/radv.h
index f8aa421d..735aa218 100644
--- a/proto/radv/radv.h
+++ b/proto/radv/radv.h
@@ -13,7 +13,7 @@
 #include "lib/ip.h"
 #include "lib/lists.h"
 #include "lib/socket.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "lib/resource.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
diff --git a/proto/rip/Makefile b/proto/rip/Makefile
index d2d3c987..6e645cc2 100644
--- a/proto/rip/Makefile
+++ b/proto/rip/Makefile
@@ -1,5 +1,4 @@
-source=rip.c packets.c
-root-rel=../../
-dir-name=proto/rip
-
-include ../../Rules
+src := packets.c rip.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 22023279..131c09ce 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -143,8 +143,6 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
   if (rt)
   {
     /* Update */
-    net *n = net_get(p->p.main_channel->table, en->n.addr);
-
     rta a0 = {
       .src = p->p.main_source,
       .source = RTS_RIP,
@@ -204,16 +202,14 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
     e->u.rip.metric = rt_metric;
     e->u.rip.tag = rt_tag;
 
-    e->net = n;
     e->pflags = 0;
 
-    rte_update(&p->p, n, e);
+    rte_update(&p->p, en->n.addr, e);
   }
   else
   {
     /* Withdraw */
-    net *n = net_find(p->p.main_channel->table, en->n.addr);
-    rte_update(&p->p, n, NULL);
+    rte_update(&p->p, en->n.addr, NULL);
   }
 }
 
diff --git a/proto/rip/rip.h b/proto/rip/rip.h
index d1c9933c..7ec7e24d 100644
--- a/proto/rip/rip.h
+++ b/proto/rip/rip.h
@@ -24,7 +24,7 @@
 #include "lib/resource.h"
 #include "lib/socket.h"
 #include "lib/string.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 
 
 #define RIP_V1			1
diff --git a/proto/static/Makefile b/proto/static/Makefile
index 61fadbea..3ace39cf 100644
--- a/proto/static/Makefile
+++ b/proto/static/Makefile
@@ -1,6 +1,4 @@
-source=static.c
-root-rel=../../
-dir-name=proto/static
-
-include ../../Rules
-
+src := static.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
diff --git a/proto/static/static.c b/proto/static/static.c
index 6239fccb..28cb1e77 100644
--- a/proto/static/static.c
+++ b/proto/static/static.c
@@ -60,7 +60,6 @@ p_igp_table(struct proto *p)
 static void
 static_install(struct proto *p, struct static_route *r, struct iface *ifa)
 {
-  net *n;
   rta a;
   rte *e;
 
@@ -112,15 +111,13 @@ static_install(struct proto *p, struct static_route *r, struct iface *ifa)
 
   /* We skip rta_lookup() here */
 
-  n = net_get(p->main_channel->table, r->net);
   e = rte_get_temp(&a);
-  e->net = n;
   e->pflags = 0;
 
   if (r->cmds)
     f_eval_rte(r->cmds, &e, static_lp);
 
-  rte_update(p, n, e);
+  rte_update(p, r->net, e);
   r->installed = 1;
 
   if (r->cmds)
@@ -130,14 +127,11 @@ static_install(struct proto *p, struct static_route *r, struct iface *ifa)
 static void
 static_remove(struct proto *p, struct static_route *r)
 {
-  net *n;
-
   if (!r->installed)
     return;
 
   DBG("Removing static route %N via %I\n", r->net, r->via);
-  n = net_find(p->main_channel->table, r->net);
-  rte_update(p, n, NULL);
+  rte_update(p, r->net, NULL);
   r->installed = 0;
 }
 
diff --git a/sysdep/bsd/Makefile b/sysdep/bsd/Makefile
new file mode 100644
index 00000000..ddc87239
--- /dev/null
+++ b/sysdep/bsd/Makefile
@@ -0,0 +1,5 @@
+src := krt-sock.c
+obj := $(src-o-files)
+$(all-daemon)
+$(conf-y-targets): $(s)krt-sock.Y
+
diff --git a/sysdep/bsd/Modules b/sysdep/bsd/Modules
deleted file mode 100644
index 96455db7..00000000
--- a/sysdep/bsd/Modules
+++ /dev/null
@@ -1,4 +0,0 @@
-krt-sock.c
-krt-sock.Y
-krt-sys.h
-sysio.h
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 9f84b3f5..56026bdd 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -28,9 +28,9 @@
 #include "nest/route.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
-#include "lib/timer.h"
-#include "lib/unix.h"
-#include "lib/krt.h"
+#include "sysdep/unix/timer.h"
+#include "sysdep/unix/unix.h"
+#include "sysdep/unix/krt.h"
 #include "lib/string.h"
 #include "lib/socket.h"
 
diff --git a/sysdep/cf/bsd.h b/sysdep/cf/bsd.h
index 51beb42b..22c54277 100644
--- a/sysdep/cf/bsd.h
+++ b/sysdep/cf/bsd.h
@@ -15,6 +15,9 @@
 #define CONFIG_NO_IFACE_BIND
 #define CONFIG_USE_HDRINCL
 
+#define CONFIG_INCLUDE_SYSIO_H "sysdep/bsd/sysio.h"
+#define CONFIG_INCLUDE_KRTSYS_H "sysdep/bsd/krt-sys.h"
+
 /*
 Link: sysdep/unix
 Link: sysdep/bsd
diff --git a/sysdep/cf/linux.h b/sysdep/cf/linux.h
index 9e34f869..cec9499c 100644
--- a/sysdep/cf/linux.h
+++ b/sysdep/cf/linux.h
@@ -14,7 +14,12 @@
 #define CONFIG_MC_PROPER_SRC
 #define CONFIG_UNIX_DONTROUTE
 
+#define CONFIG_INCLUDE_SYSIO_H "sysdep/linux/sysio.h"
+#define CONFIG_INCLUDE_KRTSYS_H "sysdep/linux/krt-sys.h"
+
 #define CONFIG_RESTRICTED_PRIVILEGES
+#define CONFIG_INCLUDE_SYSPRIV_H "sysdep/linux/syspriv.h"
+
 
 /*
 Link: sysdep/linux
diff --git a/sysdep/linux/Makefile b/sysdep/linux/Makefile
new file mode 100644
index 00000000..23cf1d9d
--- /dev/null
+++ b/sysdep/linux/Makefile
@@ -0,0 +1,4 @@
+src := netlink.c
+obj := $(src-o-files)
+$(all-daemon)
+$(conf-y-targets): $(s)netlink.Y
diff --git a/sysdep/linux/Modules b/sysdep/linux/Modules
deleted file mode 100644
index 940660b6..00000000
--- a/sysdep/linux/Modules
+++ /dev/null
@@ -1,5 +0,0 @@
-krt-sys.h
-netlink.c
-netlink.Y
-sysio.h
-syspriv.h
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index c398a7f6..8166d5f5 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -6,6 +6,7 @@
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
 
+#include <alloca.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -20,9 +21,9 @@
 #include "nest/protocol.h"
 #include "nest/iface.h"
 #include "lib/alloca.h"
-#include "lib/timer.h"
-#include "lib/unix.h"
-#include "lib/krt.h"
+#include "sysdep/unix/timer.h"
+#include "sysdep/unix/unix.h"
+#include "sysdep/unix/krt.h"
 #include "lib/socket.h"
 #include "lib/string.h"
 #include "lib/hash.h"
@@ -915,44 +916,49 @@ nl_send_route(struct krt_proto *p, rte *e, struct ea_list *eattrs, int new)
   eattr *ea;
   net *net = e->net;
   rta *a = e->attrs;
+  int bufsize = 128 + KRT_METRICS_MAX*8 + nh_bufsize(a->nexthops);
+
   struct {
     struct nlmsghdr h;
     struct rtmsg r;
-    char buf[128 + KRT_METRICS_MAX*8 + nh_bufsize(a->nexthops)];
-  } r;
+    char buf[0];
+  } *r;
+
+  int rsize = sizeof(*r) + bufsize;
+  r = alloca(rsize);
 
   DBG("nl_send_route(%N,new=%d)\n", net->n.addr, new);
 
-  bzero(&r.h, sizeof(r.h));
-  bzero(&r.r, sizeof(r.r));
-  r.h.nlmsg_type = new ? RTM_NEWROUTE : RTM_DELROUTE;
-  r.h.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
-  r.h.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | (new ? NLM_F_CREATE|NLM_F_EXCL : 0);
+  bzero(&r->h, sizeof(r->h));
+  bzero(&r->r, sizeof(r->r));
+  r->h.nlmsg_type = new ? RTM_NEWROUTE : RTM_DELROUTE;
+  r->h.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
+  r->h.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | (new ? NLM_F_CREATE|NLM_F_EXCL : 0);
 
-  r.r.rtm_family = p->af;
-  r.r.rtm_dst_len = net_pxlen(net->n.addr);
-  r.r.rtm_protocol = RTPROT_BIRD;
-  r.r.rtm_scope = RT_SCOPE_UNIVERSE;
-  nl_add_attr_ipa(&r.h, sizeof(r), RTA_DST, net_prefix(net->n.addr));
+  r->r.rtm_family = p->af;
+  r->r.rtm_dst_len = net_pxlen(net->n.addr);
+  r->r.rtm_protocol = RTPROT_BIRD;
+  r->r.rtm_scope = RT_SCOPE_UNIVERSE;
+  nl_add_attr_ipa(&r->h, rsize, RTA_DST, net_prefix(net->n.addr));
 
   if (krt_table_id(p) < 256)
-    r.r.rtm_table = krt_table_id(p);
+    r->r.rtm_table = krt_table_id(p);
   else
-    nl_add_attr_u32(&r.h, sizeof(r), RTA_TABLE, krt_table_id(p));
+    nl_add_attr_u32(&r->h, rsize, RTA_TABLE, krt_table_id(p));
 
   /* For route delete, we do not specify route attributes */
   if (!new)
-    return nl_exchange(&r.h);
+    return nl_exchange(&r->h);
 
 
   if (ea = ea_find(eattrs, EA_KRT_METRIC))
-    nl_add_attr_u32(&r.h, sizeof(r), RTA_PRIORITY, ea->u.data);
+    nl_add_attr_u32(&r->h, rsize, RTA_PRIORITY, ea->u.data);
 
   if (ea = ea_find(eattrs, EA_KRT_PREFSRC))
-    nl_add_attr_ipa(&r.h, sizeof(r), RTA_PREFSRC, *(ip_addr *)ea->u.ptr->data);
+    nl_add_attr_ipa(&r->h, rsize, RTA_PREFSRC, *(ip_addr *)ea->u.ptr->data);
 
   if (ea = ea_find(eattrs, EA_KRT_REALM))
-    nl_add_attr_u32(&r.h, sizeof(r), RTA_FLOW, ea->u.data);
+    nl_add_attr_u32(&r->h, rsize, RTA_FLOW, ea->u.data);
 
 
   u32 metrics[KRT_METRICS_MAX];
@@ -967,7 +973,7 @@ nl_send_route(struct krt_proto *p, rte *e, struct ea_list *eattrs, int new)
   }
 
   if (metrics[0])
-    nl_add_metrics(&r.h, sizeof(r), metrics, KRT_METRICS_MAX);
+    nl_add_metrics(&r->h, rsize, metrics, KRT_METRICS_MAX);
 
 
   /* a->iface != NULL checked in krt_capable() for router and device routes */
@@ -975,32 +981,32 @@ nl_send_route(struct krt_proto *p, rte *e, struct ea_list *eattrs, int new)
   switch (a->dest)
     {
     case RTD_ROUTER:
-      r.r.rtm_type = RTN_UNICAST;
-      nl_add_attr_u32(&r.h, sizeof(r), RTA_OIF, a->iface->index);
-      nl_add_attr_ipa(&r.h, sizeof(r), RTA_GATEWAY, a->gw);
+      r->r.rtm_type = RTN_UNICAST;
+      nl_add_attr_u32(&r->h, rsize, RTA_OIF, a->iface->index);
+      nl_add_attr_ipa(&r->h, rsize, RTA_GATEWAY, a->gw);
       break;
     case RTD_DEVICE:
-      r.r.rtm_type = RTN_UNICAST;
-      nl_add_attr_u32(&r.h, sizeof(r), RTA_OIF, a->iface->index);
+      r->r.rtm_type = RTN_UNICAST;
+      nl_add_attr_u32(&r->h, rsize, RTA_OIF, a->iface->index);
       break;
     case RTD_BLACKHOLE:
-      r.r.rtm_type = RTN_BLACKHOLE;
+      r->r.rtm_type = RTN_BLACKHOLE;
       break;
     case RTD_UNREACHABLE:
-      r.r.rtm_type = RTN_UNREACHABLE;
+      r->r.rtm_type = RTN_UNREACHABLE;
       break;
     case RTD_PROHIBIT:
-      r.r.rtm_type = RTN_PROHIBIT;
+      r->r.rtm_type = RTN_PROHIBIT;
       break;
     case RTD_MULTIPATH:
-      r.r.rtm_type = RTN_UNICAST;
-      nl_add_multipath(&r.h, sizeof(r), a->nexthops);
+      r->r.rtm_type = RTN_UNICAST;
+      nl_add_multipath(&r->h, rsize, a->nexthops);
       break;
     default:
       bug("krt_capable inconsistent with nl_send_route");
     }
 
-  return nl_exchange(&r.h);
+  return nl_exchange(&r->h);
 }
 
 void
diff --git a/sysdep/unix/Makefile b/sysdep/unix/Makefile
new file mode 100644
index 00000000..c5d55431
--- /dev/null
+++ b/sysdep/unix/Makefile
@@ -0,0 +1,5 @@
+src := io.c krt.c log.c main.c random.c
+obj := $(src-o-files)
+$(all-daemon)
+$(cf-local)
+$(conf-y-targets): $(s)krt.Y
diff --git a/sysdep/unix/Modules b/sysdep/unix/Modules
deleted file mode 100644
index 2c6514df..00000000
--- a/sysdep/unix/Modules
+++ /dev/null
@@ -1,12 +0,0 @@
-log.c
-main.c
-timer.h
-io.c
-unix.h
-endian.h
-config.Y
-random.c
-
-krt.c
-krt.h
-krt.Y
diff --git a/sysdep/unix/config.Y b/sysdep/unix/config.Y
index f9a92900..ebadd454 100644
--- a/sysdep/unix/config.Y
+++ b/sysdep/unix/config.Y
@@ -8,7 +8,7 @@
 
 CF_HDR
 
-#include "lib/unix.h"
+#include "sysdep/unix/unix.h"
 #include <stdio.h>
 
 CF_DECLS
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 37e26c9b..4db6abb7 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -32,14 +32,14 @@
 #include "nest/bird.h"
 #include "lib/lists.h"
 #include "lib/resource.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "lib/socket.h"
 #include "lib/event.h"
 #include "lib/string.h"
 #include "nest/iface.h"
 
-#include "lib/unix.h"
-#include "lib/sysio.h"
+#include "sysdep/unix/unix.h"
+#include CONFIG_INCLUDE_SYSIO_H
 
 /* Maximum number of calls of tx handler for one socket in one
  * poll iteration. Should be small enough to not monopolize CPU by
diff --git a/sysdep/unix/krt.Y b/sysdep/unix/krt.Y
index 1cd73502..91317d97 100644
--- a/sysdep/unix/krt.Y
+++ b/sysdep/unix/krt.Y
@@ -8,7 +8,7 @@
 
 CF_HDR
 
-#include "lib/krt.h"
+#include "sysdep/unix/krt.h"
 
 CF_DEFINES
 
diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c
index b0a96613..6531bb28 100644
--- a/sysdep/unix/krt.c
+++ b/sysdep/unix/krt.c
@@ -56,7 +56,7 @@
 #include "nest/route.h"
 #include "nest/protocol.h"
 #include "filter/filter.h"
-#include "lib/timer.h"
+#include "sysdep/unix/timer.h"
 #include "conf/conf.h"
 #include "lib/string.h"
 
@@ -345,18 +345,15 @@ krt_learn_announce_update(struct krt_proto *p, rte *e)
   net *n = e->net;
   rta *aa = rta_clone(e->attrs);
   rte *ee = rte_get_temp(aa);
-  net *nn = net_get(p->p.main_channel->table, n->n.addr);
-  ee->net = nn;
   ee->pflags = 0;
   ee->u.krt = e->u.krt;
-  rte_update(&p->p, nn, ee);
+  rte_update(&p->p, n->n.addr, ee);
 }
 
 static void
 krt_learn_announce_delete(struct krt_proto *p, net *n)
 {
-  n = net_find(p->p.main_channel->table, n->n.addr);
-  rte_update(&p->p, n, NULL);
+  rte_update(&p->p, n->n.addr, NULL);
 }
 
 /* Called when alien route is discovered during scan */
diff --git a/sysdep/unix/krt.h b/sysdep/unix/krt.h
index e968ad57..cb404de3 100644
--- a/sysdep/unix/krt.h
+++ b/sysdep/unix/krt.h
@@ -15,7 +15,8 @@ struct krt_proto;
 struct kif_config;
 struct kif_proto;
 
-#include "lib/krt-sys.h"
+#include "sysdep/config.h"
+#include CONFIG_INCLUDE_KRTSYS_H
 
 /* Flags stored in net->n.flags, rest are in nest/route.h */
 
@@ -111,7 +112,7 @@ struct kif_proto {
   struct kif_state sys;		/* Sysdep state */
 };
 
-struct kif_proto *kif_proto;
+extern struct kif_proto *kif_proto;
 
 #define KIF_CF ((struct kif_config *)p->p.cf)
 
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c
index b90bbbd2..43d98f7b 100644
--- a/sysdep/unix/log.c
+++ b/sysdep/unix/log.c
@@ -26,7 +26,7 @@
 #include "nest/mrtdump.h"
 #include "lib/string.h"
 #include "lib/lists.h"
-#include "lib/unix.h"
+#include "sysdep/unix/unix.h"
 
 static FILE *dbgf;
 static list *current_log_list;
diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
index f95bd968..691fee2d 100644
--- a/sysdep/unix/main.c
+++ b/sysdep/unix/main.c
@@ -69,7 +69,7 @@ async_dump(void)
  */
 
 #ifdef CONFIG_RESTRICTED_PRIVILEGES
-#include "lib/syspriv.h"
+#include CONFIG_INCLUDE_SYSPRIV_H
 #else
 
 static inline void
@@ -569,6 +569,10 @@ sysdep_shutdown_done(void)
  *	Signals
  */
 
+volatile int async_config_flag;
+volatile int async_dump_flag;
+volatile int async_shutdown_flag;
+
 static void
 handle_sighup(int sig UNUSED)
 {
diff --git a/sysdep/unix/unix.h b/sysdep/unix/unix.h
index 414b6ca4..80c99350 100644
--- a/sysdep/unix/unix.h
+++ b/sysdep/unix/unix.h
@@ -91,9 +91,9 @@ int sockaddr_read(sockaddr *sa, int af, ip_addr *a, struct iface **ifa, uint *po
 #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) + strlen ((ptr)->sun_path))
 #endif
 
-volatile int async_config_flag;
-volatile int async_dump_flag;
-volatile int async_shutdown_flag;
+extern volatile int async_config_flag;
+extern volatile int async_dump_flag;
+extern volatile int async_shutdown_flag;
 
 void io_init(void);
 void io_loop(void);
diff --git a/tools/Makefile-top.in b/tools/Makefile-top.in
deleted file mode 100644
index cf59f7a1..00000000
--- a/tools/Makefile-top.in
+++ /dev/null
@@ -1,20 +0,0 @@
-# Makefile for in place build of BIRD
-# (c) 1999--2000 Martin Mares <mj@ucw.cz>
-
-objdir=@objdir@
-
-all depend tags install install-docs:
-	$(MAKE) -C $(objdir) $@
-
-docs userdocs progdocs:
-	$(MAKE) -C doc $@
-
-clean:
-	$(MAKE) -C $(objdir) clean
-	find . -name "*~" -or -name "*.[oa]" -or -name "\#*\#" -or -name TAGS -or -name core -or -name depend -or -name ".#*" | xargs rm -f
-
-distclean: clean
-	$(MAKE) -C doc distclean
-	rm -rf $(objdir) autom4te.cache
-	rm -f config.* configure sysdep/autoconf.h sysdep/paths.h Makefile
-
diff --git a/tools/Makefile.in b/tools/Makefile.in
deleted file mode 100644
index 5de323ab..00000000
--- a/tools/Makefile.in
+++ /dev/null
@@ -1,97 +0,0 @@
-# Makefile for the BIRD Internet Routing Daemon
-# (c) 1999--2000 Martin Mares <mj@ucw.cz>
-
-include Rules
-
-.PHONY: all daemon birdc birdcl subdir depend clean distclean tags docs userdocs progdocs
-
-all: sysdep/paths.h .dep-stamp subdir daemon birdcl @CLIENT@
-
-daemon: $(exedir)/bird
-
-birdc: $(exedir)/birdc
-
-birdcl: $(exedir)/birdcl
-
-bird-dep := $(addsuffix /all.o, $(static-dirs)) conf/all.o lib/birdlib.a
-
-$(bird-dep): sysdep/paths.h .dep-stamp subdir
-
-birdc-dep := client/birdc.o client/all.o lib/birdlib.a
-
-$(birdc-dep): sysdep/paths.h .dep-stamp subdir
-
-birdcl-dep := client/birdcl.o client/all.o lib/birdlib.a
-
-$(birdcl-dep): sysdep/paths.h .dep-stamp subdir
-
-
-export client := @CLIENT@
-
-depend: sysdep/paths.h .dir-stamp
-	set -e ; for a in $(dynamic-dirs) ; do $(MAKE) -C $$a $@ ; done
-	set -e ; for a in $(static-dirs) $(client-dirs) ; do $(MAKE) -C $$a -f $(srcdir_abs)/$$a/Makefile $@ ; done
-
-subdir: sysdep/paths.h .dir-stamp .dep-stamp
-	set -e ; for a in $(dynamic-dirs) ; do $(MAKE) -C $$a $@ ; done
-	set -e ; for a in $(static-dirs) $(client-dirs) ; do $(MAKE) -C $$a -f $(srcdir_abs)/$$a/Makefile $@ ; done
-
-$(exedir)/bird: $(bird-dep)
-	@echo LD $(LDFLAGS) -o $@ $^ $(LIBS)
-	@$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
-
-$(exedir)/birdc: $(birdc-dep)
-	@echo LD $(LDFLAGS) -o $@ $^ $(LIBS) $(CLIENT_LIBS)
-	@$(CC) $(LDFLAGS) -o $@ $^ $(LIBS) $(CLIENT_LIBS)
-
-$(exedir)/birdcl: $(birdcl-dep)
-	@echo LD $(LDFLAGS) -o $@ $^ $(LIBS)
-	@$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
-
-.dir-stamp: sysdep/paths.h
-	mkdir -p $(static-dirs) $(client-dirs) $(doc-dirs)
-	touch .dir-stamp
-
-.dep-stamp:
-	$(MAKE) depend
-	touch .dep-stamp
-
-docs: userdocs progdocs
-
-userdocs progdocs: .dir-stamp
-	$(MAKE) -C doc -f $(srcdir_abs)/doc/Makefile $@
-
-sysdep/paths.h:
-	echo >sysdep/paths.h "/* Generated by Makefile, don't edit manually! */"
-	echo >>sysdep/paths.h "#define PATH_CONFIG_FILE \"@CONFIG_FILE@\""
-	echo >>sysdep/paths.h "#define PATH_CONTROL_SOCKET \"@CONTROL_SOCKET@\""
-	if test -n "@iproutedir@" ; then echo >>sysdep/paths.h "#define PATH_IPROUTE_DIR \"@iproutedir@\"" ; fi
-
-tags:
-	cd $(srcdir) ; etags -lc `find $(static-dirs) $(addprefix $(objdir)/,$(dynamic-dirs)) $(client-dirs) -name *.[chY]`
-
-install: all
-	$(INSTALL) -d $(DESTDIR)/$(sbindir) $(DESTDIR)/$(sysconfdir) $(DESTDIR)/@runtimedir@
-	$(INSTALL_PROGRAM) $(exedir)/bird $(DESTDIR)/$(sbindir)/bird
-	$(INSTALL_PROGRAM) $(exedir)/birdcl $(DESTDIR)/$(sbindir)/birdcl
-	if test -n "@CLIENT@" ; then								\
-		$(INSTALL_PROGRAM) $(exedir)/birdc $(DESTDIR)/$(sbindir)/birdc ;		\
-	fi
-	if ! test -f $(DESTDIR)/@CONFIG_FILE@ ; then						\
-		$(INSTALL_DATA) $(srcdir)/doc/bird.conf.example $(DESTDIR)/@CONFIG_FILE@ ;	\
-	else											\
-		echo "Not overwriting old bird.conf" ;						\
-	fi
-
-install-docs:
-	$(INSTALL) -d $(DESTDIR)/$(docdir)
-	$(INSTALL_DATA) $(srcdir)/doc/{bird,prog}{,-*}.html $(DESTDIR)/$(docdir)/
-
-clean:
-	find . -name "*.[oa]" -o -name core -o -name depend -o -name "*.html" | xargs rm -f
-	rm -f conf/cf-lex.c conf/cf-parse.* conf/commands.h conf/keywords.h
-	rm -f $(exedir)/bird $(exedir)/birdcl $(exedir)/birdc $(exedir)/bird.ctl $(exedir)/bird6.ctl .dep-stamp
-
-distclean: clean
-	rm -f config.* configure sysdep/autoconf.h sysdep/paths.h Makefile Rules
-	rm -rf .dir-stamp $(clean-dirs)
diff --git a/tools/Rules.in b/tools/Rules.in
deleted file mode 100644
index f00c85d1..00000000
--- a/tools/Rules.in
+++ /dev/null
@@ -1,91 +0,0 @@
-# Makefile fragments for the BIRD Internet Routing Daemon
-# (c) 1999--2000 Martin Mares <mj@ucw.cz>
-
-srcdir=@srcdir_rel_mf@
-srcdir_abs := $(shell cd $(srcdir) ; pwd)
-objdir=@objdir@
-exedir=@exedir@
-
-protocols=@protocols@
-static-dirs := nest filter $(addprefix proto/,$(protocols))
-static-dir-paths := $(addprefix $(srcdir)/,$(static-dirs))
-dynamic-dirs := lib conf
-dynamic-dir-paths := $(dynamic-dirs)
-client-dirs := client
-client-dir-paths := $(client-dirs)
-doc-dirs := doc
-doc-dir-paths := $(doc-dirs)
-
-all-dirs:=$(static-dirs) $(dynamic-dirs) $(client-dirs) $(doc-dirs)
-clean-dirs:=$(all-dirs) proto sysdep
-
-CPPFLAGS=-I$(root-rel) -I$(srcdir) @CPPFLAGS@
-CFLAGS=$(CPPFLAGS) @CFLAGS@
-LDFLAGS=@LDFLAGS@
-LIBS=@LIBS@
-CLIENT_LIBS=@CLIENT_LIBS@
-CC=@CC@
-M4=@M4@
-BISON=@BISON@
-FLEX=@FLEX@
-RANLIB=@RANLIB@
-INSTALL=@INSTALL@
-INSTALL_PROGRAM=@INSTALL_PROGRAM@
-INSTALL_DATA=@INSTALL_DATA@
-
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-bindir=@bindir@
-sbindir=@sbindir@
-sysconfdir=@sysconfdir@
-localstatedir=@localstatedir@
-docdir=@prefix@/doc
-
-ifdef source
-
-objs := $(subst .c,.o,$(source))
-
-ifdef dir-name
-src-path := $(srcdir)/$(dir-name)/
-endif
-
-all:
-	cd $(root-rel) && make
-
-ifdef lib-dest
-
-subdir: $(lib-dest)
-
-$(lib-dest): $(objs)
-	rm -f $@
-	ar rcs $@ $^
-	$(RANLIB) $@
-
-else
-
-subdir: all.o
-
-all.o: $(objs)
-#       $(LD) -r -o $@ $^
-#	Changed to $(CC) because $(LD) has problems with crosscompiling
-	@echo LD -r -o $@ $^
-	@$(CC) -nostdlib -r -o $@ $^
-
-endif
-
-%.o: $(src-path)%.c
-	@echo CC -o $@ -c $<
-	@$(CC) $(CFLAGS) -o $@ -c $<
-
-ifndef source-dep
-source-dep := $(source)
-endif
-
-depend:
-	$(CC) $(CPPFLAGS) -MM $(addprefix $(src-path),$(source-dep)) >depend
-
-ifneq ($(wildcard depend),)
-include depend
-endif
-
-endif
diff --git a/tools/mergedirs b/tools/mergedirs
deleted file mode 100755
index fb48c6c7..00000000
--- a/tools/mergedirs
+++ /dev/null
@@ -1,63 +0,0 @@
-#!/bin/sh
-
-if [ -z "$4" ] ; then
-	echo "Usage: mergedirs <src-dir> <src-dir-rel> <obj-dir> <list-of-dirs>"
-	exit 1
-	fi
-cpp=${CPP:-cc -E}
-SRCDIR=$1
-shift
-SRCREL=$1
-case $SRCDIR in
-	/*) ;;
-	*) SRCREL="../$SRCREL" ;;
-	esac
-shift
-OBJDIR=$1
-LIBDIR=$OBJDIR/lib
-CONFDIR=$OBJDIR/conf
-shift
-
-echo "Merging system-dependent modules ($@)"
-MODULES=`for a in $@ ; do
-		cat $SRCDIR/sysdep/config.h $SRCDIR/$a/Modules |
-		$cpp -U unix -D MACROS_ONLY -I $OBJDIR - |
-		sed "/^[ ]*\$/d;/^#/d;s@\\(.*\\)@\\1 $a/\\1@"
-		done |
-	sort -k1,1 -u |
-	cut -d ' ' -f 2`
-rm -rf $LIBDIR $CONFDIR
-mkdir -p $LIBDIR $CONFDIR
-for a in $MODULES ; do
-	b=`basename $a`
-	case $b in
-		*.h)	ln -s $SRCREL/$a $LIBDIR/$b
-			;;
-		*.c)	OBJ=`echo $b | sed 's/\.c$/\.o/'`
-			OBJS="$OBJS $OBJ"
-			SRCS="$SRCS \\
-	$b"
-			ln -s $SRCREL/$a $LIBDIR/$b
-			;;
-		*.Y)	CONFS="$CONFS\$(srcdir)/$a "
-			ln -s $SRCREL/$a $CONFDIR/$b
-			;;
-		*)	echo "$b: Unknown file type"
-			exit 1
-			;;
-		esac
-	done
-
-cat >$LIBDIR/Makefile <<EOF
-source=$SRCS
-lib-dest=birdlib.a
-root-rel=../
-
-include ../Rules
-EOF
-
-sed <$SRCDIR/conf/Makefile >$CONFDIR/Makefile "s|@CONFS@|$CONFS|"
-CONFS=`cd $SRCDIR ; ls conf/*.[chl]`
-for a in $CONFS ; do
-	ln -s $SRCREL/$a $CONFDIR/
-done
diff --git a/tools/progdoc b/tools/progdoc
index ef44d3aa..fc4024bf 100755
--- a/tools/progdoc
+++ b/tools/progdoc
@@ -1,17 +1,18 @@
 #!/usr/bin/perl
 
 $srcdir = $ARGV[0];
+$out = $ARGV[1];
 
-open(OUT, ">prog.sgml") || die "Cannot create output file";
-include("doc/prog-head.sgml");
-process("");
-include("doc/prog-foot.sgml");
+open(OUT, ">", $out) || die "Cannot create output file";
+process($srcdir);
 close OUT;
+gen_deps();
 exit 0;
 
 sub include {
   my $f = shift @_;
-  open(IN, "$srcdir/$f") || die "Unable to find $f";
+  open(IN, "$f") || die "Unable to find $f";
+  push(@deps, "$f");
   while (<IN>) {
     print OUT;
   }
@@ -21,7 +22,8 @@ sub include {
 sub process {
   my $dir = shift @_;
   print "$dir/Doc\n";
-  open(IN, "$srcdir/$dir/Doc") || die "Unable to read $dir/Doc";
+  open(IN, "$dir/Doc") || die "Unable to read $dir/Doc";
+  push(@deps, "$dir/Doc");
   my @docfile = <IN>;
   close IN;
   foreach $_ (@docfile) {
@@ -36,7 +38,10 @@ sub process {
       print OUT "<chapt>$arg\n";
     } elsif ($cmd eq "S") {
       print "    $arg\n";
-      open(DOC, "cd $srcdir/$dir ; $srcdir/doc/kernel-doc -bird $arg |") || die "Unable to start kernel-doc";
+      my @files = map("$dir/$_", split(' ', $arg));
+      my $fargs = join(' ', @files);
+      open(DOC, "$srcdir/doc/kernel-doc -bird $fargs |") || die "Unable to start kernel-doc";
+      push(@deps, @files);
       while (<DOC>) { print OUT; }
       close DOC;
     } elsif ($cmd eq "D") {
@@ -45,3 +50,17 @@ sub process {
     } else { die "Unknown command: $cmd"; }
   }
 }
+
+sub gen_deps {
+  open(DEP, ">", "$out.d");
+  print DEP "$out:";
+  foreach $f (@deps) {
+    print DEP " \\\n  $f";
+  }
+  print DEP "\n\n";
+
+  foreach $f (@deps) {
+    print DEP "$f:\n\n";
+  }
+  close DEP;
+}