diff --git a/.ecj.metadata b/.ecj.metadata
new file mode 100644
index 0000000..3e59eca
--- /dev/null
+++ b/.ecj.metadata
@@ -0,0 +1 @@
+cbbac0b172bf383e633269c1967e1ef2b32e7051 SOURCES/ecjsrc-4.2.1.jar
diff --git a/README.md b/README.md
deleted file mode 100644
index 0e7897f..0000000
--- a/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-The master branch has no content
-
-Look at the c7 branch if you are working with CentOS-7, or the c4/c5/c6 branch for CentOS-4, 5 or 6
-
-If you find this file in a distro specific branch, it means that no content has been checked in yet
diff --git a/SOURCES/core-3.3.0-v_771.pom b/SOURCES/core-3.3.0-v_771.pom
new file mode 100644
index 0000000..69f33ec
--- /dev/null
+++ b/SOURCES/core-3.3.0-v_771.pom
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?><project>
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>org.eclipse.jdt</groupId>
+ <artifactId>core</artifactId>
+ <name>Java Development Tools Core</name>
+ <version>3.3.0-v_771</version>
+ <licenses>
+ <license>
+ <name>Eclipse Public License - v 1.0</name>
+ <url>http://www.eclipse.org/org/documents/epl-v10.html</url>
+ </license>
+ </licenses>
+</project>
\ No newline at end of file
diff --git a/SOURCES/ecj-defaultto1.5.patch b/SOURCES/ecj-defaultto1.5.patch
new file mode 100644
index 0000000..3444386
--- /dev/null
+++ b/SOURCES/ecj-defaultto1.5.patch
@@ -0,0 +1,22 @@
+### Eclipse Workspace Patch 1.0
+#P org.eclipse.jdt.core
+Index: compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java
+===================================================================
+RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java,v
+retrieving revision 1.203
+diff -u -r1.203 CompilerOptions.java
+--- compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java 14 Apr 2008 19:41:33 -0000 1.203
++++ compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java 15 Dec 2008 19:50:02 -0000
+@@ -1145,9 +1145,9 @@
+
+ // by default only lines and source attributes are generated.
+ this.produceDebugAttributes = ClassFileConstants.ATTR_SOURCE | ClassFileConstants.ATTR_LINES;
+- this.complianceLevel = this.originalComplianceLevel = ClassFileConstants.JDK1_4; // by default be compliant with 1.4
+- this.sourceLevel = this.originalSourceLevel = ClassFileConstants.JDK1_3; //1.3 source behavior by default
+- this.targetJDK = ClassFileConstants.JDK1_2; // default generates for JVM1.2
++ this.complianceLevel = this.originalComplianceLevel = ClassFileConstants.JDK1_5;
++ this.sourceLevel = this.originalSourceLevel = ClassFileConstants.JDK1_5;
++ this.targetJDK = ClassFileConstants.JDK1_5;
+
+ this.defaultEncoding = null; // will use the platform default encoding
+
diff --git a/SOURCES/ecj-generatedebuginfo.patch b/SOURCES/ecj-generatedebuginfo.patch
new file mode 100644
index 0000000..2b7c3aa
--- /dev/null
+++ b/SOURCES/ecj-generatedebuginfo.patch
@@ -0,0 +1,21 @@
+diff -up ./build.xml.sav ./build.xml
+--- ./build.xml.sav 2009-03-11 13:30:38.000000000 -0400
++++ ./build.xml 2009-03-11 13:30:34.000000000 -0400
+@@ -10,7 +10,7 @@
+ <mkdir dir="${output}" />
+
+ <javac srcdir="${basedir}" destdir="${output}"
+- debuglevel="lines,source"
++ debug="yes"
+ source="1.3"
+ target="1.2"
+ excludes="org/eclipse/jdt/internal/compiler/tool/*,**/apt/**">
+@@ -18,7 +18,7 @@
+ </javac>
+
+ <javac destdir="${output}"
+- debuglevel="lines,source"
++ debug="yes"
+ source="1.6"
+ target="1.6"
+ includes="org/eclipse/jdt/internal/compiler/tool/*">
diff --git a/SOURCES/ecj-include-props.patch b/SOURCES/ecj-include-props.patch
new file mode 100644
index 0000000..990442c
--- /dev/null
+++ b/SOURCES/ecj-include-props.patch
@@ -0,0 +1,10 @@
+--- a/build.xml 2012-10-09 13:56:47.695928242 -0400
++++ b/build.xml 2012-10-09 13:57:06.822893233 -0400
+@@ -46,6 +46,7 @@
+ <include name="**/*.rsc"/>
+ <include name="META-INF/**"/>
+ <include name="**/*.properties"/>
++ <include name="**/*.props"/>
+ <exclude name="META-INF/eclipse.inf"/>
+ </fileset>
+ </zip>
diff --git a/SOURCES/ecj-rpmdebuginfo.patch b/SOURCES/ecj-rpmdebuginfo.patch
new file mode 100644
index 0000000..e2727a1
--- /dev/null
+++ b/SOURCES/ecj-rpmdebuginfo.patch
@@ -0,0 +1,39 @@
+### Eclipse Workspace Patch 1.0
+#P org.eclipse.jdt.core
+Index: batch/org/eclipse/jdt/internal/compiler/batch/Main.java
+===================================================================
+RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/Main.java,v
+retrieving revision 1.327
+diff -u -r1.327 Main.java
+--- batch/org/eclipse/jdt/internal/compiler/batch/Main.java 21 Apr 2008 15:00:59 -0000 1.327
++++ batch/org/eclipse/jdt/internal/compiler/batch/Main.java 20 Nov 2008 19:26:57 -0000
+@@ -2609,6 +2609,29 @@
+ this.options.put(CompilerOptions.OPTION_Process_Annotations, CompilerOptions.ENABLED);
+ }
+
++ {
++ // If we're building an RPM, force full debugging info to
++ // be generated, no matter what options have been passed
++ // by Ant. This is something of a kludge, but it is far
++ // better than the alternative, which is having class
++ // files with debug info mysteriously missing.
++
++ String RpmPackageName = System.getenv("RPM_PACKAGE_NAME");
++ String RpmArch = System.getenv("RPM_ARCH");
++ String RpmBuildRoot = System.getenv("RPM_BUILD_ROOT");
++ if (RpmPackageName != null && RpmArch != null && RpmBuildRoot != null) {
++ this.options.put(
++ CompilerOptions.OPTION_LocalVariableAttribute,
++ CompilerOptions.GENERATE);
++ this.options.put(
++ CompilerOptions.OPTION_LineNumberAttribute,
++ CompilerOptions.GENERATE);
++ this.options.put(
++ CompilerOptions.OPTION_SourceFileAttribute,
++ CompilerOptions.GENERATE);
++ }
++ }
++
+ this.logger.logCommandLineArguments(newCommandLineArgs);
+ this.logger.logOptions(this.options);
+
diff --git a/SOURCES/ecj.sh.in b/SOURCES/ecj.sh.in
new file mode 100644
index 0000000..3ca7c0d
--- /dev/null
+++ b/SOURCES/ecj.sh.in
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+CLASSPATH=@JAVADIR@/ecj.jar:${CLASSPATH=.} \
+java org.eclipse.jdt.internal.compiler.batch.Main "$@"
diff --git a/SPECS/ecj.spec b/SPECS/ecj.spec
new file mode 100644
index 0000000..f1371b5
--- /dev/null
+++ b/SPECS/ecj.spec
@@ -0,0 +1,218 @@
+Epoch: 1
+
+%global qualifier 201209141800
+
+Summary: Eclipse Compiler for Java
+Name: ecj
+Version: 4.2.1
+Release: 6%{?dist}
+URL: http://www.eclipse.org
+License: EPL
+Group: Development/Languages
+Source0: http://download.eclipse.org/eclipse/downloads/drops4/R-%{version}-%{qualifier}/%{name}src-%{version}.jar
+Source1: ecj.sh.in
+#Patched from http://repo2.maven.org/maven2/org/eclipse/jdt/core/3.3.0-v_771/core-3.3.0-v_771.pom
+# No dependencies are needed for ecj, dependencies are for using of jdt.core which makes no sense outside of eclipse
+Source2: core-3.3.0-v_771.pom
+# Always generate debug info when building RPMs (Andrew Haley)
+Patch0: %{name}-rpmdebuginfo.patch
+Patch1: %{name}-defaultto1.5.patch
+Patch2: %{name}-generatedebuginfo.patch
+# build.xml fails to include a necessary .props file in the built ecj.jar
+Patch3: %{name}-include-props.patch
+
+BuildRequires: ant
+BuildRequires: java-devel >= 1:1.7.0
+
+Provides: eclipse-ecj = %{epoch}:%{version}-%{release}
+Obsoletes: eclipse-ecj < 1:3.4.2-4
+
+%description
+ECJ is the Java bytecode compiler of the Eclipse Platform. It is also known as
+the JDT Core batch compiler.
+
+%prep
+%setup -q -c
+%patch0 -p1
+%patch1 -p1
+%patch2 -p1
+%patch3 -p1
+
+cp %{SOURCE2} pom.xml
+
+# Remove bits of JDT Core we don't want to build
+rm -r org/eclipse/jdt/internal/compiler/tool
+rm -r org/eclipse/jdt/internal/compiler/apt
+rm -f org/eclipse/jdt/core/BuildJarIndex.java
+
+# JDTCompilerAdapter isn't used by the batch compiler
+rm -f org/eclipse/jdt/core/JDTCompilerAdapter.java
+
+%build
+ant
+
+%install
+mkdir -p $RPM_BUILD_ROOT%{_javadir}
+cp -a *.jar $RPM_BUILD_ROOT%{_javadir}/%{name}.jar
+pushd $RPM_BUILD_ROOT%{_javadir}
+ln -s %{name}.jar eclipse-%{name}.jar
+ln -s %{name}.jar jdtcore.jar
+popd
+
+# Install the ecj wrapper script
+install -p -D -m0755 %{SOURCE1} $RPM_BUILD_ROOT%{_bindir}/ecj
+sed --in-place "s:@JAVADIR@:%{_javadir}:" $RPM_BUILD_ROOT%{_bindir}/ecj
+
+# poms
+install -d -m 755 $RPM_BUILD_ROOT%{_mavenpomdir}
+install -pm 644 pom.xml \
+ $RPM_BUILD_ROOT%{_mavenpomdir}/JPP-%{name}.pom
+
+%add_maven_depmap -a "org.eclipse.tycho:org.eclipse.jdt.core,org.eclipse.jdt.core.compiler:ecj" JPP-%{name}.pom %{name}.jar
+
+%files
+%doc about.html
+%{_mavenpomdir}/JPP-%{name}.pom
+%{_mavendepmapfragdir}/%{name}
+%{_bindir}/%{name}
+%{_javadir}/%{name}.jar
+%{_javadir}/eclipse-%{name}.jar
+%{_javadir}/jdtcore.jar
+
+%changelog
+* Tue Apr 09 2013 Mikolaj Izdebski <mizdebsk@redhat.com> - 1:4.2.1-6
+- Add depmap for org.eclipse.jdt.core.compiler:ecj
+- Resolves: rhbz#951064
+
+* Fri Apr 05 2013 Jon VanAlten <jon.vanalten@redhat.com> 1:4.2.1-6
+- Remove gcj entry point, native subpackage, and gcj bootstrap entirely (fixes RHBZ927665).
+
+* Wed Mar 06 2013 Karsten Hopp <karsten@redhat.com> 1:4.2.1-5
+- add BR java-devel for !with_gcjbootstrap
+
+* Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:4.2.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
+
+* Mon Oct 29 2012 Jon VanAlten <jon.vanalten@redhat.com> 1:4.2.1-3
+- Patch GCCMain to avoid dummy symbols.
+
+* Wed Oct 10 2012 Krzysztof Daniel <kdaniel@redhat.com> 1:4.2.1-2
+- Add depmap satysfying Tycho req.
+
+* Wed Jul 31 2012 Jon VanAlten <jon.vanalten@redhat.com> 1:4.2.1-1
+- Update to 4.2.1 upstream version.
+
+* Wed Jul 18 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:3.4.2-14
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
+* Wed Apr 18 2012 Alexander Kurtakov <akurtako@redhat.com> 1:3.4.2-13
+- Add missing epoch to native subpackage requires.
+
+* Tue Apr 17 2012 Alexander Kurtakov <akurtako@redhat.com> 1:3.4.2-12
+- Separate gcj in subpackage.
+
+* Mon Jan 16 2012 Alexander Kurtakov <akurtako@redhat.com> 1:3.4.2-11
+- Patch pom file to better represent ecj and not jdt.core .
+- Guidelines fixes.
+
+* Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:3.4.2-10
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
+
+* Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:3.4.2-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
+
+* Fri Nov 26 2010 Stanislav Ochotnicky <sochotnicky@redhat.com> - 1:3.4.2-8
+- Fix add_to_maven_depmap call (Resolves rhbz#655796)
+
+* Mon Dec 21 2009 Deepak Bhole <dbhole@redhat.com> - 1:3.4.2-7
+- Fix RHBZ# 490936. If CLASSPATH is not set, add . to default classpath.
+
+* Wed Sep 9 2009 Alexander Kurtakov <akurtako@redhat.com> 1:3.4.2-6
+- Add maven pom and depmaps.
+
+* Fri Jul 24 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:3.4.2-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild
+
+* Wed Mar 11 2009 Deepak Bhole <dbhole@redhat.com> 1:3.4.2-4
+- Add patch to generate full debuginfo for ecj itself
+
+* Tue Mar 10 2009 Deepak Bhole <dbhole@redhat.com> 1:3.4.2-3
+- Add BR for aot-compile-rpm
+
+* Tue Mar 10 2009 Deepak Bhole <dbhole@redhat.com> 1:3.4.2-2
+- Add BR for ant
+
+* Fri Mar 6 2009 Andrew Overholt <overholt@redhat.com> 1:3.4.2-1
+- 3.4.2
+
+* Tue Dec 9 2008 Andrew Overholt <overholt@redhat.com> 1:3.4.1-1
+- 3.4.1
+- Don't conditionalize building of gcj AOT bits (we're only building
+ this for gcj and IcedTea bootstrapping).
+
+* Mon Jan 22 2007 Andrew Overholt <overholt@redhat.com> 3.2.1-1
+- Add eclipse-ecj-gcj.patch.
+
+* Fri Jan 12 2007 Andrew Overholt <overholt@redhat.com> 3.2.1-1
+- First version for Fedora 7.
+- Add BR: java-devel for jar.
+
+* Thu Nov 02 2006 Andrew Overholt <overholt@redhat.com> 1:3.2.1-1jpp
+- First version for JPackage.
+
+* Mon Jul 24 2006 Andrew Overholt <overholt@redhat.com> 1:3.2.0-1
+- Add versionless ecj.jar symlink in /usr/share/java.
+
+* Wed Jul 19 2006 Andrew Overholt <overholt@redhat.com> 1:3.2.0-1
+- 3.2.0.
+
+* Fri Dec 09 2005 Jesse Keating <jkeating@redhat.com>
+- rebuilt
+
+* Mon Mar 07 2005 Andrew Overholt <overholt@redhat.com> 1:3.1.0.M4.9
+- Don't build for ppc or ia64.
+
+* Sun Feb 20 2005 Andrew Overholt <overholt@redhat.com> 1:3.1.0.M4.6
+- Upgrade back to 3.1M4.
+- Don't build for i386 and x86_64.
+- Provide eclipse-ecj until we can deprecate this package.
+
+* Fri Jan 14 2005 Andrew Overholt <overholt@redhat.com> 3.1.0.M4.4
+- build for all but x86
+
+* Thu Jan 13 2005 Andrew Overholt <overholt@redhat.com> 3.1.0.M4.3
+- build for ppc exclusively
+
+* Wed Jan 12 2005 Andrew Overholt <overholt@redhat.com> 3.1.0.M4.2
+- Add RPM_OPT_FLAGS workaround.
+
+* Tue Jan 11 2005 Andrew Overholt <overholt@redhat.com> 3.1.0.M4.1
+- New version.
+
+* Mon Sep 27 2004 Gary Benson <gbenson@redhat.com> 2.1.3-5
+- Rebuild with new katana.
+
+* Fri Jul 22 2004 Gary Benson <gbenson@redhat.com> 2.1.3-4
+- Build without bootstrap-ant.
+- Split out lib-org-eclipse-jdt-internal-compiler.so.
+
+* Tue Jul 6 2004 Gary Benson <gbenson@redhat.com> 2.1.3-3
+- Fix ecj-devel's dependencies.
+
+* Wed Jun 9 2004 Gary Benson <gbenson@redhat.com> 2.1.3-2
+- Work around an optimiser failure somewhere in ecj or gcj (#125613).
+
+* Fri May 28 2004 Gary Benson <gbenson@redhat.com>
+- Build with katana.
+
+* Mon May 24 2004 Gary Benson <gbenson@redhat.com> 2.1.3-1
+- Initial Red Hat Linux build.
+
+* Mon May 24 2004 Gary Benson <gbenson@redhat.com>
+- Upgraded to latest version.
+
+* Sun Jul 20 2003 Anthony Green <green@redhat.com>
+- Add %%doc
+
+* Fri Jul 18 2003 Anthony Green <green@redhat.com>
+- Initial RHUG build.