http-parser-2.1.zip
    for srs to support http callback.

nginx-1.5.7.zip
    for srs to support hls streaming.

st-1.9.zip
    basic framework for srs.
    
openssl-1.0.1f.zip
    openssl for SRS(with-ssl) RTMP complex handshake to delivery h264+aac stream.

CherryPy-3.2.4.zip
    sample api server for srs.

ffmpeg-2.1.1.tar.gz
yasm-1.2.0.tar.gz
lame-3.99.5.tar.gz
speex-1.2rc1.zip
x264-snapshot-20131129-2245-stable.tar.bz2 (core.138)
    for srs to support live stream transcoding.
    remark: we use *.zip for all linux plantform.

fdk-aac-0.1.3.zip
    https://github.com/mstorsjo/fdk-aac/releases

tools/ccache-3.1.9.zip
    to fast build.
    
1.st.arm.Makefile.patch
    st编译脚本补丁，允许用户指定cc编译器。
    
gtest-1.6.0.zip
    google单元测试框架。
    
gperftools-2.1.zip
    google性能分析和测试工具。
    编译和使用参考压缩文件中的README和doc目录。

links:
    nginx:
        http://nginx.org/
    http-parser:
        https://github.com/joyent/http-parser
    state-threads:
        http://sourceforge.net/projects/state-threads
    ffmpeg: 
        http://ffmpeg.org/ 
        http://ffmpeg.org/releases/ffmpeg-2.1.1.tar.gz
    x264: 
        http://www.videolan.org/ 
        ftp://ftp.videolan.org/pub/videolan/x264/snapshots/x264-snapshot-20131129-2245-stable.tar.bz2
    lame: 
        http://sourceforge.net/projects/lame/ 
        http://nchc.dl.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz
    yasm:
        http://yasm.tortall.net/
        http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
    cherrypy:
        http://www.cherrypy.org/
        https://pypi.python.org/pypi/CherryPy/3.2.4
    openssl:
        http://www.openssl.org/
        http://www.openssl.org/source/openssl-1.0.1f.tar.gz
    gtest:
        https://code.google.com/p/googletest
        https://code.google.com/p/googletest/downloads/list
    gperftools:
        https://code.google.com/p/gperftools/
        https://code.google.com/p/gperftools/downloads/list
    speex:
        http://www.speex.org/downloads/
        http://downloads.xiph.org/releases/speex/speex-1.2rc1.tar.gz