diff --git a/README.md b/README.md
index a2a1cdc..fba250f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
 # libjbig
 
+JBIG-KIT provides a portable library of compression and decompression functions with a documented interfaces that you can include very easily into your image or document processing software.
+In addiction, JBIG-KIT provides ready-to-use compression adn decompression programs with a simple command line interface (similar to the converters found in netpbm).
+
+JBIG-KIT zawiera implementację wydajnego algorytmu kompresji dla 2-kolorowych obrazków wysokiej rozdzielczości, takich jak faksy albo skanowane dokumenty.
+
diff --git a/libjbig-2.0-shlib.patch b/libjbig-2.0-shlib.patch
new file mode 100644
index 0000000..8d1eaed
--- /dev/null
+++ b/libjbig-2.0-shlib.patch
@@ -0,0 +1,145 @@
+--- jbigkit/pbmtools/Makefile.shlib	2008-08-25 23:26:39.000000000 +0100
++++ jbigkit/pbmtools/Makefile	2008-09-03 16:41:20.000000000 +0100
+@@ -5,23 +5,23 @@
+ CC = gcc
+ 
+ # Options for the compiler
+-CFLAGS = -g -Wall -ansi -pedantic -I../libjbig # --coverage
++CFLAGS ?= -g -Wall -ansi -pedantic -I../libjbig # --coverage
+ 
+ .SUFFIXES: .1 .5 .txt $(SUFFIXES)
+ 
+ all: pbmtojbg jbgtopbm pbmtojbg85 jbgtopbm85 \
+-	pbmtojbg.txt jbgtopbm.txt pbm.txt pgm.txt
++#	pbmtojbg.txt jbgtopbm.txt pbm.txt pgm.txt
+ 
+-pbmtojbg: pbmtojbg.o ../libjbig/libjbig.a
++pbmtojbg: pbmtojbg.o ../libjbig/libjbig.so
+ 	$(CC) $(CFLAGS) -o pbmtojbg pbmtojbg.o -L../libjbig -ljbig
+ 
+-jbgtopbm: jbgtopbm.o ../libjbig/libjbig.a
++jbgtopbm: jbgtopbm.o ../libjbig/libjbig.so
+ 	$(CC) $(CFLAGS) -o jbgtopbm jbgtopbm.o -L../libjbig -ljbig
+ 
+-pbmtojbg85: pbmtojbg85.o ../libjbig/libjbig85.a
++pbmtojbg85: pbmtojbg85.o ../libjbig/libjbig85.so
+ 	$(CC) $(CFLAGS) -o pbmtojbg85 pbmtojbg85.o -L../libjbig -ljbig85
+ 
+-jbgtopbm85: jbgtopbm85.o ../libjbig/libjbig85.a
++jbgtopbm85: jbgtopbm85.o ../libjbig/libjbig85.so
+ 	$(CC) $(CFLAGS) -o jbgtopbm85 jbgtopbm85.o -L../libjbig -ljbig85
+ 
+ jbgtopbm.o: jbgtopbm.c ../libjbig/jbig.h
+@@ -29,13 +29,13 @@ pbmtojbg.o: pbmtojbg.c ../libjbig/jbig.h
+ jbgtopbm85.o: jbgtopbm85.c ../libjbig/jbig85.h
+ pbmtojbg85.o: pbmtojbg85.c ../libjbig/jbig85.h
+ 
+-../libjbig/libjbig.a: ../libjbig/jbig.c ../libjbig/jbig.h \
++../libjbig/libjbig.so: ../libjbig/jbig.c ../libjbig/jbig.h \
+ 	../libjbig/jbig_ar.c ../libjbig/jbig_ar.h
+-	make -C ../libjbig libjbig.a
++	make -C ../libjbig libjbig.so
+ 
+-../libjbig/libjbig85.a: ../libjbig/jbig85.c ../libjbig/jbig85.h \
++../libjbig/libjbig85.so: ../libjbig/jbig85.c ../libjbig/jbig85.h \
+ 	../libjbig/jbig_ar.c ../libjbig/jbig_ar.h
+-	make -C ../libjbig libjbig85.a
++	make -C ../libjbig libjbig85.so
+ 
+ test: test82 test85
+ 
+--- jbigkit/libjbig/Makefile.shlib	2008-08-30 18:20:52.000000000 +0100
++++ jbigkit/libjbig/Makefile	2008-09-03 16:40:43.000000000 +0100
+@@ -5,25 +5,27 @@
+ CC = gcc
+ 
+ # Options for the compiler: A high optimization level is suggested
+-CFLAGS = -g -O -Wall -ansi -pedantic # --coverage
++CFLAGS ?= -g -O -Wall -ansi -pedantic # --coverage
++PICFLAGS := -fPIC -DPIC
+ 
+-all: libjbig.a tstcodec tstcodec85
++all: libjbig.so.$(VERSION) tstcodec tstcodec85
+ 
+-tstcodec: tstcodec.o jbig.o jbig_ar.o
+-	$(CC) $(CFLAGS) -o tstcodec $+
++tstcodec: tstcodec.o libjbig.so
++	$(CC) $(CFLAGS) -o tstcodec $< -L. -ljbig
+ 
+-tstcodec85: tstcodec85.o jbig85.o jbig_ar.o
+-	$(CC) $(CFLAGS) -o tstcodec85 $+
++tstcodec85: tstcodec85.o libjbig85.so
++	$(CC) $(CFLAGS) -o tstcodec85 $^ -L. -ljbig
+ 
+-libjbig.a: jbig.o jbig_ar.o
+-	rm -f libjbig.a
+-	ar rc libjbig.a jbig.o jbig_ar.o
+-	-ranlib libjbig.a
++%.so: %.so.$(VERSION)
++	ln -sf $< $@
+ 
+-libjbig85.a: jbig85.o jbig_ar.o
+-	rm -f libjbig85.a
+-	ar rc libjbig85.a jbig85.o jbig_ar.o
+-	-ranlib libjbig85.a
++libjbig.so.$(VERSION): jbig.o jbig_ar.o
++	$(CC) $(CFLAGS) -shared -Wl,-soname,$@ -o $@ $^
++
++libjbig85.so.$(VERSION): jbig85.o jbig_ar.o
++	$(CC) $(CFLAGS) -shared -Wl,-soname,$@ -o $@ $^
++
++jbig.o jbig85.o jbig_ar.o: CFLAGS += $(PICFLAGS)
+ 
+ jbig.o: jbig.c jbig.h jbig_ar.h
+ jbig85.o: jbig85.c jbig85.h jbig_ar.h
+@@ -37,12 +39,12 @@ jbig.pot: jbig.c
+ 	  --msgid-bugs-address='http://www.cl.cam.ac.uk/~mgk25/jbigkit/' $+
+ 
+ test: tstcodec tstcodec85
+-	./tstcodec
+-	./tstcodec85
++	LD_LIBRARY_PATH=`pwd` ./tstcodec
++	LD_LIBRARY_PATH=`pwd` ./tstcodec85
+ 
+ t82test.pbm: tstcodec
+-	./tstcodec $@
++	LD_LIBRARY_PATH=`pwd` ./tstcodec $@
+ 
+ clean:
+ 	rm -f *.{o,gcda,gcno,gcov} *~ core gmon.out dbg_d\=??.pbm t82test.pbm
+-	rm -f tstcodec tstcodec85
++	rm -f tstcodec tstcodec85 *.so *.so.$(VERSION)
+--- jbigkit/Makefile.shlib	2008-08-30 21:40:22.000000000 +0100
++++ jbigkit/Makefile	2008-09-03 16:40:43.000000000 +0100
+@@ -11,24 +11,25 @@ CCFLAGS = -O2 -W
+ CFLAGS = $(CCFLAGS) -I../libjbig
+ 
+ VERSION=2.0
++export VERSION CFLAGS CC
+ 
+ all: lib pbm
+ 	@echo "Enter 'make test' in order to start some automatic tests."
+ 
+ lib:
+-	(cd libjbig;  make "CC=$(CC)" "CFLAGS=$(CFLAGS)")
++	make -C libjbig
+ 
+ pbm: lib
+-	(cd pbmtools; make "CC=$(CC)" "CFLAGS=$(CFLAGS)")
++	make -C pbmtools
+ 
+ test: lib pbm
+-	(cd libjbig;  make "CC=$(CC)" "CFLAGS=$(CFLAGS)" test)
+-	(cd pbmtools; make "CC=$(CC)" "CFLAGS=$(CFLAGS)" test)
++	LD_LIBRARY_PATH=`pwd`/libjbig make -C libjbig test
++	LD_LIBRARY_PATH=`pwd`/libjbig make -C pbmtools test
+ 
+ clean:
+ 	rm -f *~ core
+-	(cd libjbig; make clean)
+-	(cd pbmtools; make clean)
++	make -C libjbig clean
++	make -C pbmtools clean
+ 
+ distribution: clean
+ 	rm -f libjbig/libjbig*.a
diff --git a/libjbig.spec b/libjbig.spec
new file mode 100644
index 0000000..5a87f9d
--- /dev/null
+++ b/libjbig.spec
@@ -0,0 +1,94 @@
+Name:          libjbig
+Version:       2.0
+Release:       2mamba
+Summary:       JBIG-KIT lossless image compression library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Tiziana Ferro <tiziana.ferro@email.it>
+URL:           http://www.cl.cam.ac.uk/~mgk25/jbigkit
+Source:        http://www.cl.cam.ac.uk/~mgk25/download/jbigkit-%{version}.tar.gz
+Patch0:        %{name}-2.0-shlib.patch
+License:       GPL
+BuildRequires: libtool
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+
+%description
+JBIG-KIT provides a portable library of compression and decompression functions with a documented interfaces that you can include very easily into your image or document processing software.
+In addiction, JBIG-KIT provides ready-to-use compression adn decompression programs with a simple command line interface (similar to the converters found in netpbm).
+
+%description -l pl.UTF-8
+JBIG-KIT zawiera implementację wydajnego algorytmu kompresji dla 2-kolorowych obrazków wysokiej rozdzielczości, takich jak faksy albo skanowane dokumenty.
+
+%package -n libjbig-devel
+Summary:      Header files and static library for development with JBIG
+Group:        Development/Libraries
+Requires:     %{name} = %{version}-%{release} 
+
+%description -n libjbig-devel
+This package is only needed if you plan to develop or compile applications which requires the libjbig library.
+
+%description -n libjbig-devel
+JBIG-KIT provides a portable library of compression and decompression functions with a documented interfaces that you can include very easily into your image or document processing software.
+In addiction, JBIG-KIT provides ready-to-use compression adn decompression programs with a simple command line interface (similar to the converters found in netpbm).
+
+%description -n libjbig-devel -l pl.UTF-8
+JBIG-KIT zawiera implementację wydajnego algorytmu kompresji dla 2-kolorowych obrazków wysokiej rozdzielczości, takich jak faksy albo skanowane dokumenty.
+
+%prep
+%setup -q -n jbigkit
+%patch0 -p1
+
+%build
+%make
+make test
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+mkdir -p %{buildroot}%{_bindir} \
+%{buildroot}%{_includedir} \
+%{buildroot}%{_libdir} \
+%{buildroot}%{_mandir}/man1
+
+install -m 755 pbmtools/jbgtopbm.1 %{buildroot}%{_mandir}/man1
+install -m 755 pbmtools/pbmtojbg.1 %{buildroot}%{_mandir}/man1
+install -m 755 pbmtools/jbgtopbm %{buildroot}%{_bindir}
+install -m 755 pbmtools/pbmtojbg %{buildroot}%{_bindir}
+install -m 644 libjbig/jbig.h %{buildroot}%{_includedir}
+install -m 644 libjbig/jbig_ar.h %{buildroot}%{_includedir}
+install -m 755 libjbig/libjbig.so.2.0 %{buildroot}%{_libdir}
+ln -s libjbig.so.2.0 %{buildroot}%{_libdir}/libjbig.so
+install -m 755 libjbig/libjbig85.so.2.0 %{buildroot}%{_libdir}
+ln -s libjbig85.so.2.0 %{buildroot}%{_libdir}/libjbig85.so
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post   -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/*
+%{_libdir}/libjbig.so.*
+%{_libdir}/libjbig85.so.*
+%{_mandir}/man1/*
+%doc COPYING
+
+%files -n libjbig-devel
+%defattr(-,root,root)
+%{_includedir}/jbig.h
+%{_includedir}/jbig_ar.h
+%{_libdir}/libjbig.so
+%{_libdir}/libjbig85.so
+%doc ANNOUNCE TODO libjbig/jbig.txt
+
+%changelog
+* Mon Dec 19 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0-2mamba
+- added patch to build shared library
+- install required header file jbig_ar.h
+
+* Sun Jul 05 2009 Tiziana Ferro <tiziana.ferro@email.it> 2.0-1mamba
+- package created by autospec