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authorxfxyjwf <xfxyjwf@gmail.com>2014-08-28 14:03:53 -0700
committerxfxyjwf <xfxyjwf@gmail.com>2014-08-28 14:03:53 -0700
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+<!DOCTYPE html>
+<html>
+
+ <head>
+ <meta charset='utf-8'>
+ <meta http-equiv="X-UA-Compatible" content="chrome=1">
+ <meta name="description" content="Google Protocol Buffers : ">
+
+ <link rel="stylesheet" type="text/css" media="screen" href="stylesheets/stylesheet.css">
+
+ <title>Google Protocol Buffers</title>
+ </head>
+
+ <body>
+
+ <!-- HEADER -->
+ <div id="header_wrap" class="outer">
+ <header class="inner">
+ <a id="forkme_banner" href="https://github.com/google/protobuf">View on GitHub</a>
+
+ <h1 id="project_title">Google Protocol Buffers</h1>
+ <h2 id="project_tagline"></h2>
+
+ <section id="downloads">
+ <a class="zip_download_link" href="https://github.com/google/protobuf/zipball/master">Download this project as a .zip file</a>
+ <a class="tar_download_link" href="https://github.com/google/protobuf/tarball/master">Download this project as a tar.gz file</a>
+ </section>
+ </header>
+ </div>
+
+ <!-- MAIN CONTENT -->
+ <div id="main_content_wrap" class="outer">
+ <section id="main_content" class="inner">
+ <p>Protocol Buffers - Google's data interchange format
+Copyright 2008 Google Inc.
+<a href="https://developers.google.com/protocol-buffers/">https://developers.google.com/protocol-buffers/</a></p>
+
+<h1>
+<a name="c-installation---unix" class="anchor" href="#c-installation---unix"><span class="octicon octicon-link"></span></a>C++ Installation - Unix</h1>
+
+<p>If you get the source from github, you need to generate the configure script
+first:</p>
+
+<p>$ ./autogen.sh</p>
+
+<p>This will download gtest source (which is used for C++ Protocol Buffer
+unit-tests) to the current directory and run automake, autoconf, etc.
+to generate the configure script and various template makefiles.</p>
+
+<p>You can skip this step if you are using a release package (which already
+contains gtest and the configure script).</p>
+
+<p>To build and install the C++ Protocol Buffer runtime and the Protocol
+Buffer compiler (protoc) execute the following:</p>
+
+<p>$ ./configure
+ $ make
+ $ make check
+ $ make install</p>
+
+<p>If "make check" fails, you can still install, but it is likely that
+some features of this library will not work correctly on your system.
+Proceed at your own risk.</p>
+
+<p>"make install" may require superuser privileges.</p>
+
+<p>For advanced usage information on configure and make, see INSTALL.txt.</p>
+
+<p>** Hint on install location **</p>
+
+<p>By default, the package will be installed to /usr/local. However,
+ on many platforms, /usr/local/lib is not part of LD_LIBRARY_PATH.
+ You can add it, but it may be easier to just install to /usr
+ instead. To do this, invoke configure as follows:</p>
+
+<pre><code>./configure --prefix=/usr
+</code></pre>
+
+<p>If you already built the package with a different prefix, make sure
+ to run "make clean" before building again.</p>
+
+<p>** Compiling dependent packages **</p>
+
+<p>To compile a package that uses Protocol Buffers, you need to pass
+ various flags to your compiler and linker. As of version 2.2.0,
+ Protocol Buffers integrates with pkg-config to manage this. If you
+ have pkg-config installed, then you can invoke it to get a list of
+ flags like so:</p>
+
+<pre><code>pkg-config --cflags protobuf # print compiler flags
+pkg-config --libs protobuf # print linker flags
+pkg-config --cflags --libs protobuf # print both
+</code></pre>
+
+<p>For example:</p>
+
+<pre><code>c++ my_program.cc my_proto.pb.cc `pkg-config --cflags --libs protobuf`
+</code></pre>
+
+<p>Note that packages written prior to the 2.2.0 release of Protocol
+ Buffers may not yet integrate with pkg-config to get flags, and may
+ not pass the correct set of flags to correctly link against
+ libprotobuf. If the package in question uses autoconf, you can
+ often fix the problem by invoking its configure script like:</p>
+
+<pre><code>configure CXXFLAGS="$(pkg-config --cflags protobuf)" \
+ LIBS="$(pkg-config --libs protobuf)"
+</code></pre>
+
+<p>This will force it to use the correct flags.</p>
+
+<p>If you are writing an autoconf-based package that uses Protocol
+ Buffers, you should probably use the PKG_CHECK_MODULES macro in your
+ configure script like:</p>
+
+<pre><code>PKG_CHECK_MODULES([protobuf], [protobuf])
+</code></pre>
+
+<p>See the pkg-config man page for more info.</p>
+
+<p>If you only want protobuf-lite, substitute "protobuf-lite" in place
+ of "protobuf" in these examples.</p>
+
+<p>** Note for cross-compiling **</p>
+
+<p>The makefiles normally invoke the protoc executable that they just
+ built in order to build tests. When cross-compiling, the protoc
+ executable may not be executable on the host machine. In this case,
+ you must build a copy of protoc for the host machine first, then use
+ the --with-protoc option to tell configure to use it instead. For
+ example:</p>
+
+<pre><code>./configure --with-protoc=protoc
+</code></pre>
+
+<p>This will use the installed protoc (found in your $PATH) instead of
+ trying to execute the one built during the build process. You can
+ also use an executable that hasn't been installed. For example, if
+ you built the protobuf package for your host machine in ../host,
+ you might do:</p>
+
+<pre><code>./configure --with-protoc=../host/src/protoc
+</code></pre>
+
+<p>Either way, you must make sure that the protoc executable you use
+ has the same version as the protobuf source code you are trying to
+ use it with.</p>
+
+<p>** Note for Solaris users **</p>
+
+<p>Solaris 10 x86 has a bug that will make linking fail, complaining
+ about libstdc++.la being invalid. We have included a work-around
+ in this package. To use the work-around, run configure as follows:</p>
+
+<pre><code>./configure LDFLAGS=-L$PWD/src/solaris
+</code></pre>
+
+<p>See src/solaris/libstdc++.la for more info on this bug.</p>
+
+<p>** Note for HP C++ Tru64 users **</p>
+
+<p>To compile invoke configure as follows:</p>
+
+<pre><code>./configure CXXFLAGS="-O -std ansi -ieee -D__USE_STD_IOSTREAM"
+</code></pre>
+
+<p>Also, you will need to use gmake instead of make.</p>
+
+<h1>
+<a name="c-installation---windows" class="anchor" href="#c-installation---windows"><span class="octicon octicon-link"></span></a>C++ Installation - Windows</h1>
+
+<p>If you are using Microsoft Visual C++, see vsprojects/readme.txt.</p>
+
+<p>If you are using Cygwin or MinGW, follow the Unix installation
+instructions, above.</p>
+
+<h1>
+<a name="binary-compatibility-warning" class="anchor" href="#binary-compatibility-warning"><span class="octicon octicon-link"></span></a>Binary Compatibility Warning</h1>
+
+<p>Due to the nature of C++, it is unlikely that any two versions of the
+Protocol Buffers C++ runtime libraries will have compatible ABIs.
+That is, if you linked an executable against an older version of
+libprotobuf, it is unlikely to work with a newer version without
+re-compiling. This problem, when it occurs, will normally be detected
+immediately on startup of your app. Still, you may want to consider
+using static linkage. You can configure this package to install
+static libraries only using:</p>
+
+<p>./configure --disable-shared</p>
+
+<h1>
+<a name="java-and-python-installation" class="anchor" href="#java-and-python-installation"><span class="octicon octicon-link"></span></a>Java and Python Installation</h1>
+
+<p>The Java and Python runtime libraries for Protocol Buffers are located
+in the java and python directories. See the README file in each
+directory for more information on how to compile and install them.
+Note that both of them require you to first install the Protocol
+Buffer compiler (protoc), which is part of the C++ package.</p>
+
+<h1>
+<a name="usage" class="anchor" href="#usage"><span class="octicon octicon-link"></span></a>Usage</h1>
+
+<p>The complete documentation for Protocol Buffers is available via the
+web at:</p>
+
+<p><a href="https://developers.google.com/protocol-buffers/">https://developers.google.com/protocol-buffers/</a></p>
+ </section>
+ </div>
+
+ <!-- FOOTER -->
+ <div id="footer_wrap" class="outer">
+ <footer class="inner">
+ <p class="copyright">Google Protocol Buffers maintained by <a href="https://github.com/google">google</a></p>
+ <p>Published with <a href="http://pages.github.com">GitHub Pages</a></p>
+ </footer>
+ </div>
+
+
+
+ </body>
+</html>