Update version number to v3.0.0-alpha-1
diff --git a/configure.ac b/configure.ac
index 034d0cd..418889d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@
 # In the SVN trunk, the version should always be the next anticipated release
 # version with the "-pre" suffix.  (We used to use "-SNAPSHOT" but this pushed
 # the size of one file name in the dist tarfile over the 99-char limit.)
-AC_INIT([Protocol Buffers],[2.6.2-pre],[protobuf@googlegroups.com],[protobuf])
+AC_INIT([Protocol Buffers],[3.0.0-alpha-1],[protobuf@googlegroups.com],[protobuf])
 
 AM_MAINTAINER_MODE([enable])
 
diff --git a/java/pom.xml b/java/pom.xml
index 4ec6d77..bc339f6 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -10,7 +10,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java</artifactId>
-  <version>2.6.2-pre</version>
+  <version>3.0.0-alpha-1</version>
   <packaging>bundle</packaging>
   <name>Protocol Buffer Java API</name>
   <description>
@@ -152,7 +152,7 @@
           <instructions>
             <Bundle-DocURL>https://developers.google.com/protocol-buffers/</Bundle-DocURL>
             <Bundle-SymbolicName>com.google.protobuf</Bundle-SymbolicName>
-            <Export-Package>com.google.protobuf;version=2.6.2-pre</Export-Package>
+            <Export-Package>com.google.protobuf;version=3.0.0-alpha-1</Export-Package>
           </instructions>
         </configuration>
       </plugin>
diff --git a/python/setup.py b/python/setup.py
index 69ffcd1..e412020 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -163,7 +163,7 @@
         ))
 
   setup(name = 'protobuf',
-        version = '2.6.2-pre',
+        version = '3.0.0-alpha-1',
         packages = [ 'google' ],
         namespace_packages = [ 'google' ],
         test_suite = 'setup.MakeTestSuite',
diff --git a/src/Makefile.am b/src/Makefile.am
index b88e32e..b1fb124 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -111,7 +111,7 @@
 lib_LTLIBRARIES = libprotobuf-lite.la libprotobuf.la libprotoc.la
 
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_lite_la_LDFLAGS = -version-info 9:2:0 -export-dynamic -no-undefined
+libprotobuf_lite_la_LDFLAGS = -version-info 10:0:0 -export-dynamic -no-undefined
 libprotobuf_lite_la_SOURCES =                                  \
   google/protobuf/stubs/atomicops_internals_x86_gcc.cc         \
   google/protobuf/stubs/atomicops_internals_x86_msvc.cc        \
@@ -136,7 +136,7 @@
   google/protobuf/io/zero_copy_stream_impl_lite.cc
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_la_LDFLAGS = -version-info 9:2:0 -export-dynamic -no-undefined
+libprotobuf_la_LDFLAGS = -version-info 10:0:0 -export-dynamic -no-undefined
 libprotobuf_la_SOURCES =                                       \
   $(libprotobuf_lite_la_SOURCES)                               \
   google/protobuf/stubs/strutil.cc                             \
@@ -166,7 +166,7 @@
   google/protobuf/compiler/parser.cc
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
-libprotoc_la_LDFLAGS = -version-info 9:2:0 -export-dynamic -no-undefined
+libprotoc_la_LDFLAGS = -version-info 10:0:0 -export-dynamic -no-undefined
 libprotoc_la_SOURCES =                                         \
   google/protobuf/compiler/code_generator.cc                   \
   google/protobuf/compiler/command_line_interface.cc           \
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index c0cfd41..17dd667 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -113,24 +113,24 @@
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 2006002
+#define GOOGLE_PROTOBUF_VERSION 3000000
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 2006000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3000000
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 2006000;
+static const int kMinHeaderVersionForLibrary = 3000000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 2006000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3000000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 2006000;
+static const int kMinHeaderVersionForProtoc = 3000000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.