diff --git a/.gitignore b/.gitignore
index e69de29..b52926d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/libserializer-1.1.2-jarsdeleted.zip
diff --git a/libserializer-1.1.2.build.patch b/libserializer-1.1.2.build.patch
new file mode 100644
index 0000000..86b8c38
--- /dev/null
+++ b/libserializer-1.1.2.build.patch
@@ -0,0 +1,15 @@
+--- libserializer-1.1.2/build.properties 2009-11-20 09:34:31.000000000 +0000
++++ libserializer-1.1.2/build.properties 2009-11-20 09:34:37.000000000 +0000
+@@ -1,7 +1,11 @@
+-project.revision=TRUNK-SNAPSHOT
++project.revision=1.1.2
+ ivy.artifact.group=pentaho-library
+ ivy.artifact.id=libserializer
+ impl.title=LibSerializer
+ impl.productID=libserializer
+ src.dir=${basedir}/source
+ dependency.libbase.revision=1.1.2
++
++antcontrib.available=true
++
++build.cache.dir=lib
diff --git a/libserializer-1.1.2.java11.patch b/libserializer-1.1.2.java11.patch
new file mode 100644
index 0000000..bd97d03
--- /dev/null
+++ b/libserializer-1.1.2.java11.patch
@@ -0,0 +1,22 @@
+--- libserializer-1.1.2/common_build.xml 2020-05-05 19:40:10.080026171 +0100
++++ libserializer-1.1.2/common_build.xml 2020-05-05 19:40:46.433336643 +0100
+@@ -136,8 +136,8 @@
+
+-
+-
++
++
+
+
+
+ = 1.1.2
+Requires: java-headless, jpackage-utils, libbase >= 1.1.2
+BuildArch: noarch
+Patch0: libserializer-1.1.2.build.patch
+Patch1: libserializer-1.1.2.java11.patch
+
+%description
+Libserializer contains a general serialization framework that simplifies the
+task of writing custom java serialization handlers.
+
+%package javadoc
+Summary: Javadoc for %{name}
+Requires: %{name} = %{version}-%{release}
+Requires: jpackage-utils
+
+%description javadoc
+Javadoc for %{name}.
+
+%prep
+%setup -q -c
+%patch0 -p1 -b .build
+%patch1 -p1 -b .java11
+find . -name "*.jar" -exec rm -f {} \;
+mkdir -p lib
+build-jar-repository -s -p lib libbase commons-logging-api
+cd lib
+ln -s /usr/share/java/ant ant-contrib
+
+%build
+ant jar javadoc
+
+%install
+mkdir -p $RPM_BUILD_ROOT%{_javadir}
+cp -p dist/libserializer-%{version}.jar $RPM_BUILD_ROOT%{_javadir}/%{name}.jar
+
+mkdir -p $RPM_BUILD_ROOT%{_javadocdir}/%{name}
+cp -rp bin/javadoc/docs/api $RPM_BUILD_ROOT%{_javadocdir}/%{name}
+
+%files
+%doc ChangeLog.txt licence-LGPL.txt README.txt
+%{_javadir}/%{name}.jar
+
+%files javadoc
+%{_javadocdir}/%{name}
+
+%changelog
+* Tue Jul 28 2020 Fedora Release Engineering - 1.1.2-26
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Sat Jul 11 2020 Jiri Vanek - 1.1.2-25
+- Rebuilt for JDK-11, see https://fedoraproject.org/wiki/Changes/Java11
+
+* Tue May 05 2020 Caolán McNamara - 1.1.2-24
+- allow rebuild with java 11
+
+* Wed Jan 29 2020 Fedora Release Engineering - 1.1.2-23
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
+
+* Thu Jul 25 2019 Fedora Release Engineering - 1.1.2-22
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
+* Thu Apr 04 2019 Stephan Bergmann - 1.1.3-21
+- Use /usr/share/java instead of _javadir macro for build dependencies
+
+* Fri Feb 01 2019 Fedora Release Engineering - 1.1.2-20
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
+
+* Fri Jul 13 2018 Fedora Release Engineering - 1.1.2-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
+* Wed Feb 07 2018 Fedora Release Engineering - 1.1.2-18
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
+* Wed Jul 26 2017 Fedora Release Engineering - 1.1.2-17
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
+* Fri Feb 10 2017 Fedora Release Engineering - 1.1.2-16
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
+* Thu Feb 04 2016 Fedora Release Engineering - 1.1.2-15
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
+
+* Wed Jun 17 2015 Fedora Release Engineering - 1.1.2-14
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
+* Sat Jun 07 2014 Fedora Release Engineering - 1.1.2-13
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
+* Tue Feb 25 2014 Caolán McNamara - 1.1.2-12
+- Resolves: rhbz#1068367 Switch to java-headless (build)requires
+
+* Wed Oct 23 2013 Caolán McNamara - 1.1.2-11
+- Resolves: rhbz#1022138 remove versioned jars
+
+* Tue Aug 06 2013 Parag Nemade - 1.1.2-10
+- ant-nodeps is dropped from ant-1.9.0-2 build in rawhide
+- Drop buildroot, %%clean, %%defattr and removal of buildroot in %%install
+
+* Sat Aug 03 2013 Fedora Release Engineering - 1.1.2-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
+
+* Thu Feb 14 2013 Fedora Release Engineering - 1.1.2-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
+
+* Fri Nov 02 2012 Caolán McNamara - 1.1.2-7
+- repack source to remove bundled multi-license .jars
+
+* Thu Jul 19 2012 Fedora Release Engineering - 1.1.2-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
+* Fri Jan 13 2012 Fedora Release Engineering - 1.1.2-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
+
+* Fri Oct 28 2011 Caolán McNamara - 1.1.2-4
+- Related: rhbz#749103 drop gcj aot
+
+* Tue Feb 08 2011 Fedora Release Engineering - 1.1.2-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
+
+* Thu Jul 01 2010 Caolán McNamara 1.1.2-2
+- fix up source-code download foo
+
+* Fri Nov 20 2009 Caolán McNamara 1.1.2-1
+- initial fedora import
diff --git a/sources b/sources
new file mode 100644
index 0000000..28a843b
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+b765641efaefcb1d567d5eaaea86dc84 libserializer-1.1.2-jarsdeleted.zip