diff --git a/.gitignore b/.gitignore
index 7819d83..42bf14f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,10 +2,11 @@
 # common ignore files
 #
 .*
+*.d
 *.o
 *.o.*
 *.so
-*.d
+*.so.*
 
 /tags
 /TAGS
diff --git a/Makefile b/Makefile
index 01372c0..c320a02 100644
--- a/Makefile
+++ b/Makefile
@@ -7,11 +7,8 @@
 #
 
 
-CFLAGS  += `pkg-config libxml-2.0 --cflags`
 CFLAGS  += -I$(CURDIR)/libs
 
-LDLIBS  += `pkg-config libxml-2.0 --libs`
-
 LDFLAGS += -Wl,-rpath,$(CURDIR)/libs
 
 OBJS 	= autotest.o bit2fp.o draw_svg_tiles.o fp2bit.o hstrrep.o \
@@ -203,6 +200,8 @@ bit2fp: bit2fp.o $(DYNAMIC_LIBS)
 
 new_fp: new_fp.o $(DYNAMIC_LIBS)
 
+draw_svg_tiles: CFLAGS += `pkg-config libxml-2.0 --cflags`
+draw_svg_tiles: LDLIBS += `pkg-config libxml-2.0 --libs`
 draw_svg_tiles: draw_svg_tiles.o $(DYNAMIC_LIBS)
 
 pair2net: pair2net.o $(DYNAMIC_LIBS)
@@ -241,7 +240,7 @@ clean:
 	rm -f	test.out/compare_xc6slx9.fp
 	rmdir --ignore-fail-on-non-empty test.out test.gold
 
-install:	all
+install: fp2bit bit2fp
 	@make -C libs install
 	mkdir -p $(DESTDIR)/$(PREFIX)/bin/
 	install -m 755 fp2bit $(DESTDIR)/$(PREFIX)/bin/
diff --git a/debian/README b/debian/README
deleted file mode 100644
index 9355342..0000000
--- a/debian/README
+++ /dev/null
@@ -1,6 +0,0 @@
-This Debian package is developed in a Git repository. to build from
-a git checkout:
-
-	debian/rules get-orig-source # take commit from debian/changelog
-	mv fpgatools_0.0+*.orig.tar.gz ..
-	debuild
diff --git a/debian/changelog b/debian/changelog
deleted file mode 100644
index 9304de4..0000000
--- a/debian/changelog
+++ /dev/null
@@ -1,6 +0,0 @@
-fpgatools (0.0+201209-1) unstable; urgency=low
-
-  * New snapshot, taken from commit 3c94fff
-  * Initial release. (Closes: #686949)
-
- -- Xiangfu Liu <xiangfu@openmobilefree.net>  Tue, 14 Aug 2012 10:03:41 +0800
diff --git a/debian/changelog.upstream.awk b/debian/changelog.upstream.awk
deleted file mode 100644
index 6755ede..0000000
--- a/debian/changelog.upstream.awk
+++ /dev/null
@@ -1,113 +0,0 @@
-#!/bin/awk -f
-# Generate debian/changelog.upstream from debian/changelog and
-# the git revision log.  Inspired by Gerrit Pape’s
-# debian/changelog.upstream.sh, from the git-core Debian package.
-#
-# Requires a working /dev/stderr.
-#
-# Usage:
-#	dpkg-parsechangelog --format rfc822 --all |
-#	awk -f debian/changelog.upstream.awk
-
-# If argument matches /^Version: /, return remaining text.
-# Result is nonempty if and only if argument matches.
-function version_line(line) {
-	if (line ~ /^Version: /) {
-		sub(/^Version: /, "", line);
-		return line;
-	}
-	return "";
-}
-
-# If argument matches /^\*.* from commit /, return remaining text.
-# Result is nonempty if and only if argument matches.
-function commit_id_line(line) {
-	if (line ~ / from commit /) {
-		sub(/^.* from commit /, "", line);
-		sub(/[(][Cc]loses.*/, "", line);
-		sub(/[^0-9a-f]*$/, "", line);
-		return line;
-	}
-	return "";
-}
-
-# Read standard input, scanning for a changelog entry of the
-# form “* New snapshot, taken from commit <blah>.”
-# Result is <blah>.
-# Result is empty and writes a message to standard error if no such entry is
-# found before the next Version: line with a different upstream
-# version (or EOF).
-# Argument is the upstream version sought.
-function read_commit_id(upstream, line,version,corresponding_upstream,commit) {
-	while (getline line) {
-		version = version_line(line);
-		corresponding_upstream = version;
-		sub(/-[^-]*$/, "", corresponding_upstream);
-		if (version != "" && corresponding_upstream != upstream)
-			break;
-
-		commit = commit_id_line(line);
-		if (commit != "")
-			return commit;
-	}
-
-	print "No commit id for " upstream >> "/dev/stderr";
-	return "";
-}
-
-BEGIN {
-	last = "none";
-	last_cid = "none";
-	cl = "debian/changelog.upstream";
-}
-
-# Add a list of all revisions up to last to debian/changelog.upstream
-# and set last = new_cid.
-# new is a user-readable name for the commit new_cide.
-function add_version(new,new_cid, limiter,versionline,command,line) {
-	if (last == "none") {
-		printf "" > cl;
-		last = new;
-		last_cid = new_cid;
-		return 0;
-	}
-
-	if (new == "none") {
-		versionline = "Version " last;
-		limiter = "";
-	} else {
-		versionline = "Version " last "; changes since " new ":";
-		limiter = new_cid "..";
-	}
-	print versionline >> cl;
-	gsub(/./, "-", versionline);
-	print versionline >> cl;
-
-	print "" >> cl;
-	command = "git shortlog \"" limiter last_cid "\"";
-	while(command | getline line)
-		print line >> cl;
-
-	if (new != "none")
-		print "" >> cl;
-	last = new;
-	last_cid = new_cid;
-}
-
-{
-	version = version_line($0);
-	if (version != "") {
-		# strip Debian revision
-		upstream_version = version;
-		sub(/-[^-]*$/, "", upstream_version);
-
-		commit = read_commit_id(upstream_version);
-		if (commit == "")
-			exit 1;
-		add_version(upstream_version, commit);
-	}
-}
-
-END {
-	add_version("none", "none");
-}
diff --git a/debian/clean.sh b/debian/clean.sh
deleted file mode 100644
index 1b17a8b..0000000
--- a/debian/clean.sh
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/bin/sh
-# Clean up after a failed build.
-#
-# Requires access to .gitignore files excluding _all_ modified files.
-#
-# Requires a working /dev/fd (with more than just /dev/fd/0 and 1)
-# or gawk.
-
-set -e
-
-splitgitignore='#!/usr/bin/awk
-!/^#/ && !/^$/ {
-	glob = /[[*?]/;
-	directory = /\/$/;
-	sub(/\/$/, "");
-	anchored = /\//;
-	sub(/^\//, "");
-
-	output = "nonexistent/nonsense";
-	if (anchored) {
-		if (!directory && !glob)
-			output = "/dev/fd/1";
-		else if (directory && !glob)
-			output = "/dev/fd/3";
-		else if (!directory && glob)
-			output = "/dev/fd/4";
-		else if (directory && glob)
-			output = "/dev/fd/5";
-	} else {
-		if (!directory)
-			output = "/dev/fd/6";
-		else
-			output = "/dev/fd/7";
-	}
-	print >> output;
-}
-'
-
-offlimits="-type d -name '.*' -prune -o -type d -name debian -prune"
-
-remove_file_globs() {
-	while read glob
-	do
-		eval "rm -f $glob"
-	done
-}
-
-remove_directory_globs() {
-	while read glob
-	do
-		eval "rm -fr $glob"
-	done
-}
-
-remove_file_findpatterns() {
-	while read pat
-	do
-		find . $offlimits -o \
-			'(' -name "$pat" -execdir rm -f '{}' + ')'
-	done
-}
-
-remove_directory_findpatterns() {
-	while read pat
-	do
-		find . $offlimits -o \
-			'(' -type d -name "$pat" -execdir rm -fr '{}' + ')'
-	done
-}
-
-find . $offlimits -o '(' -name .gitignore -print ')' |
-while read file
-do
-	(
-		cd "$(dirname "$file")"
-		# Dispatch using pipes.  Yuck.
-		{ { { { {
-			awk "$splitgitignore" |
-		{
-			# anchored files (globless)
-			xargs -d '\n' rm -f
-		}
-		} 3>&1 >&2 |
-		{
-			# anchored directories (globless)
-			xargs -d '\n' rm -fr
-		}
-		} 4>&1 >&2 |
-		{
-			# anchored files
-			remove_file_globs
-		}
-		} 5>&1 >&2 |
-		{
-			# anchored directories
-			remove_directory_globs
-		}
-		} 6>&1 >&2 |
-		{
-			# unanchored files
-			remove_file_findpatterns
-		}
-		} 7>&1 >&2 |
-		{
-			remove_directory_findpatterns
-		} >&2
-	) < "$file"
-done
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index 7f8f011..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-7
diff --git a/debian/control b/debian/control
deleted file mode 100644
index c07bfc5..0000000
--- a/debian/control
+++ /dev/null
@@ -1,29 +0,0 @@
-Source: fpgatools
-Section: electronics
-Priority: extra
-Maintainer: Xiangfu Liu <xiangfu@openmobilefree.net>
-Build-Depends: debhelper (>=  7.4.10), pkg-config, 
-	libxml2-dev
-Standards-Version: 3.9.3
-Homepage: https://github.com/Wolfgang-Spraul/fpgatools
-
-Package: fpgatools
-Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: tool to program flexible programmable gate arrays
- fpgatools is a toolchain to program flexible programmable
- gate arrays (FPGAs). The only supported chip at this time is
- the xc6slx9, a cheap (ca. 10 USD) but powerful 45nm-generation
- chip with about 2400 LUTs, block ram and multiply-accumulate devices
-
-Package: libfpga
-Architecture: any
-Section: libs
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: libs of fpgatools
- small independent command line utilities, no GUI
- plain C, no C++
- simple Makefiles
- text-based file formats
- no documentation - read the sources
- automatic test suite
diff --git a/debian/copyright b/debian/copyright
deleted file mode 100644
index 96a1f37..0000000
--- a/debian/copyright
+++ /dev/null
@@ -1,33 +0,0 @@
-This work was packaged for Debian by:
-
-    Xiangfu Liu <xiangfu@openmobilefree.net> on Tue, 14 Aug 2012 10:57:14 +0800
-
-It was downloaded from:
-
-    https://github.com/Wolfgang-Spraul/fpgatools
-
-Upstream Author:
-
-    Wolfgang Spraul
-
-Copyright:
-
-    Copyright 2012 by Wolfgang Spraul
-
-License:
-
-    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 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-    OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-    OTHER DEALINGS IN THE SOFTWARE.
-
-    For more information, please refer to <http://unlicense.org/>
-
-The Debian packaging is:
-
-    Copyright (C) 2012 Xiangfu Liu <xiangfu@openmobilefree.net> and is released
-    into the public domain.
-
diff --git a/debian/dirs b/debian/dirs
deleted file mode 100644
index e772481..0000000
--- a/debian/dirs
+++ /dev/null
@@ -1 +0,0 @@
-usr/bin
diff --git a/debian/fpgatools.install b/debian/fpgatools.install
deleted file mode 100644
index fbbb29f..0000000
--- a/debian/fpgatools.install
+++ /dev/null
@@ -1,2 +0,0 @@
-usr/bin/bit2fp
-usr/bin/fp2bit
diff --git a/debian/fpgatools.manpages b/debian/fpgatools.manpages
deleted file mode 100644
index 925104c..0000000
--- a/debian/fpgatools.manpages
+++ /dev/null
@@ -1,2 +0,0 @@
-doc/bit2fp.1
-doc/fp2bit.1
diff --git a/debian/get-orig-source.sh b/debian/get-orig-source.sh
deleted file mode 100644
index 5f26767..0000000
--- a/debian/get-orig-source.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-# Build a tarball from the latest upstream version, with a nice
-# version number.
-#
-# Requires git 1.6.6 or later, GNU date, and gzip.
-
-set -e
-
-: ${REPO=$(git rev-parse --git-dir)}
-: ${BRANCH=remotes/origin/master}
-
-mkdir debian-orig-source
-trap 'rm -fr debian-orig-source || exit 1' EXIT
-
-git init -q debian-orig-source
-GIT_DIR=$(pwd)/debian-orig-source/.git
-export GIT_DIR
-
-# Fetch latest upstream version.
-git fetch -q "$REPO" "$BRANCH"
-
-# Determine version number.
-release=0.0
-date=$(date --utc --date="$(git log -1 --pretty=format:%cD FETCH_HEAD)" "+%Y%m")
-upstream_version="${release}+${date}"
-
-# Generate tarball.
-echo "packaging $(git rev-parse --short FETCH_HEAD)"
-git archive FETCH_HEAD |
-	gzip -n -9 >"fpgatools_$upstream_version.orig.tar.gz"
diff --git a/debian/libfpga.dirs b/debian/libfpga.dirs
deleted file mode 100644
index 505b6cc..0000000
--- a/debian/libfpga.dirs
+++ /dev/null
@@ -1 +0,0 @@
-usr/lib usr/include
diff --git a/debian/libfpga.install b/debian/libfpga.install
deleted file mode 100644
index 0348aa0..0000000
--- a/debian/libfpga.install
+++ /dev/null
@@ -1,2 +0,0 @@
-usr/lib/libfpga-*.so
-usr/include/*.h
diff --git a/debian/rules b/debian/rules
deleted file mode 100755
index 2c8a06b..0000000
--- a/debian/rules
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/make -f
-# This file is in the public domain.
-# You may freely use, modify, distribute, and relicense it.
-
-# Uncomment this to turn on verbose mode.
-#export DH_VERBOSE=1
-
-export PREFIX=/usr
-
-build clean install binary-arch binary-indep binary:
-	+dh --parallel $(opt_no_act) $@
-
-override_dh_auto_clean:
-	$(MAKE) clean
-	sh debian/clean.sh
-
-override_dh_installchangelogs:
-	dpkg-parsechangelog --format rfc822 --all | \
-		awk -f debian/changelog.upstream.awk
-	dh_installchangelogs debian/changelog.upstream
-
-# Remove auto test for fast develop
-# will include auto_test in the end
-override_dh_auto_test:
-
-opt_optimize = CFLAGS="-g -O2"
-opt_no_act =
-opt_quiet =
-
-ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
-    opt_optimize = CFLAGS="-g -O0"
-endif
-
-ifneq (,$(findstring n,$(MAKEFLAGS)))
-    opt_no_act = --no-act
-endif
-
-ifneq (,$(filter quiet,$(DEB_BUILD_OPTIONS)))
-    opt_quiet = --quiet
-    MAKEFLAGS += --quiet
-endif
-
-REPO = git://github.com/Wolfgang-Spraul/fpgatools.git
-BRANCH = master
-debiandir_SQ = $(subst ','\'',$(dir $(lastword $(MAKEFILE_LIST))))
-get-orig-source:
-	REPO='$(REPO)' BRANCH='$(BRANCH)' \
-		sh '$(debiandir_SQ)'get-orig-source.sh
-
-%:
-	dh $@
diff --git a/debian/source/format b/debian/source/format
deleted file mode 100644
index 163aaf8..0000000
--- a/debian/source/format
+++ /dev/null
@@ -1 +0,0 @@
-3.0 (quilt)
diff --git a/debian/watch b/debian/watch
deleted file mode 100644
index 6544de6..0000000
--- a/debian/watch
+++ /dev/null
@@ -1 +0,0 @@
-# We track fpgatools git revisions, thus no need for a watch file.
diff --git a/libs/Makefile b/libs/Makefile
index b0dc933..83ac9cd 100644
--- a/libs/Makefile
+++ b/libs/Makefile
@@ -6,7 +6,7 @@
 # For details see the UNLICENSE file at the root of the source tree.
 #
 
-LIBS_VERSION = 0.0.0
+LIBS_VERSION = 0
 
 LIBFPGA_BIT_OBJS       = bit_frames.o bit_regs.o
 LIBFPGA_MODEL_OBJS     = model_main.o model_tiles.o model_devices.o \
@@ -41,21 +41,22 @@ libfpga-floorplan.so: $(LIBFPGA_FLOORPLAN_OBJS)
 libfpga-control.so: $(LIBFPGA_CONTROL_OBJS)
 
 %.so:
-	$(CC) -shared -Wl,-soname,$@ -o $@ $^
+	$(CC) -shared -Wl,-soname,$@.$(LIBS_VERSION) -o $@.$(LIBS_VERSION) $^
+	@rm -f $@ && ln -s $@.$(LIBS_VERSION) $@
 
 %.o:	%.c
 	$(CC) $(CFLAGS) -fPIC -o $@ -c $<
 	$(MKDEP)
 
 clean:
-	rm -f *.o *.d *.so
+	rm -f $(OBJS) $(OBJS:.o=.d) $(DYNAMIC_LIBS) $(DYNAMIC_LIBS:.so=.so.$(LIBS_VERSION))
 
 install: all
 	mkdir -p $(DESTDIR)/$(PREFIX)/lib/
 	mkdir -p $(DESTDIR)/$(PREFIX)/include/
 	install -m 644 $(DYNAMIC_HEADS) $(DESTDIR)/$(PREFIX)/include/
 	for f in $(DYNAMIC_LIBS); do \
-		install -m 644 $$f $(DESTDIR)/$(PREFIX)/lib/$$f.$(LIBS_VERSION) && \
+		install -m 644 $$f.$(LIBS_VERSION) $(DESTDIR)/$(PREFIX)/lib/$$f.$(LIBS_VERSION) && \
 		(cd $(DESTDIR)/$(PREFIX)/lib/ && ln -s $$f.$(LIBS_VERSION) $$f) \
 		|| exit 1; done