Mac OSX 下build VLC工程记录

对VLC突然来了好奇心，所以像研究一下VLC，但是首先要编译一下VLC，将应用编译出来然后测试才能更顺利；
在网上找了一下，几乎没有可用的，算了，看别人转帖的blog还不如自己琢磨了，然后就参考官方文档，自己仔细研究一下，通过了。
在最开始编译的时候遇到了问题，编译不过去，参考了官方文档后发现也会报错，后来尝试了一下，凑巧通过了，记录一下
系统基本信息：

[StevenLiu@liudeMacBook-Pro vlc]$ xcodebuild -version
Xcode 4.6.3
Build version 4H1503
[StevenLiu@liudeMacBook-Pro vlc]$ 
[StevenLiu@liudeMacBook-Pro vlc]$ 
[StevenLiu@liudeMacBook-Pro vlc]$ uname
Darwin
[StevenLiu@liudeMacBook-Pro vlc]$ uname -a
Darwin liudeMacBook-Pro.local 12.4.0 Darwin Kernel Version 12.4.0: Wed May  1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64 x86_64
[StevenLiu@liudeMacBook-Pro vlc]$ 

首先步骤如下：
设置一些环境变量；

git clone git://git.videolan.org/vlc.git
cd vlc;mkdir build;cd build
export CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
export CXX=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
export OBJC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc 
 ../extras/package/macosx/build.sh

这里执行完成以后，会提示如下错误：m4/with_pkg.m4:102: PKG_ENABLE_MODULES_VLC is expanded from...

.....一大坨打印信息
configure.ac:4085: the top level
configure.ac:1: error: possibly undefined macro: dnl
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure.ac:38: error: possibly undefined macro: AS_IF
configure.ac:57: error: possibly undefined macro: AC_DEFINE
configure.ac:181: error: possibly undefined macro: AC_MSG_ERROR
configure.ac:301: error: possibly undefined macro: AC_PREPROC_IFELSE
configure.ac:301: error: possibly undefined macro: AC_LANG_PROGRAM
configure.ac:446: error: possibly undefined macro: AC_CHECK_LIB
configure.ac:456: error: possibly undefined macro: AC_CACHE_CHECK
configure.ac:727: error: possibly undefined macro: AC_CHECK_HEADERS
configure.ac:821: error: possibly undefined macro: AC_MSG_WARN
configure.ac:847: error: possibly undefined macro: AC_LANG_PUSH
configure.ac:849: error: possibly undefined macro: AC_LANG_POP
configure.ac:1550: error: possibly undefined macro: AC_PATH_PROGS
configure.ac:1985: error: possibly undefined macro: AC_CHECK_HEADER
configure.ac:2327: error: possibly undefined macro: AC_MSG_NOTICE
configure.ac:3354: error: possibly undefined macro: AC_PATH_PROG
configure:26251: error: possibly undefined macro: m4_n
autoreconf: /opt/local/bin/autoconf failed with exit status: 1

这是因为我之前自己编译安装过autotools,还有一些其他的乱七八糟的工具，都是自己弄的，后来将环境稍微清理了一下

export  PATH=/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin
export PATH=/Users/StevenLiu/Work/multimedia/vlc/extras/tools/build/bin:$PATH

当然，我自己定制的所有的工具，我都会与系统原生的区分开，我的PATH原来多了一个/opt/local/myself,去掉以后就等于系统原生的了。

接下来build.sh会自动download编译vlc所需要的工具然后安装，一切都很顺利，但是后来又遇到了一个问题，哦 shit!

[StevenLiu@liudeMacBook-Pro build]$ ../extras/package/macosx/build.sh
+ ARCH=x86_64
+ MINIMAL_OSX_VERSION=10.6
+ OSX_VERSION=10.8
++ xcode-select -print-path
+ SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk
+ getopts hvk:a: OPTION
+ shift 0
+ '[' x '!=' x ']'
+ out=/dev/stdout
+ '[' '' = yes ']'
+ info 'Building VLC for the Mac OS X'
+ local 'green=\033[1;32m'
+ local 'normal=\033[0m'
+ echo '[\033[1;32mbuild\033[0m] Building VLC for the Mac OS X'
[build] Building VLC for the Mac OS X
++ dirname ../extras/package/macosx/build.sh
+ spushd ../extras/package/macosx/../../..
+ pushd ../extras/package/macosx/../../..
++ pwd
+ vlcroot=/Users/StevenLiu/Work/multimedia/vlc
+ spopd
+ popd
++ pwd
+ builddir=/Users/StevenLiu/Work/multimedia/vlc/build
+ info 'Building in "/Users/StevenLiu/Work/multimedia/vlc/build"'
+ local 'green=\033[1;32m'
+ local 'normal=\033[0m'
+ echo '[\033[1;32mbuild\033[0m] Building in "/Users/StevenLiu/Work/multimedia/vlc/build"'
[build] Building in "/Users/StevenLiu/Work/multimedia/vlc/build"
+ export 'CC=xcrun clang'
+ CC='xcrun clang'
+ export 'CXX=xcrun clang++'
+ CXX='xcrun clang++'
+ export 'OBJC=xcrun clang'
+ OBJC='xcrun clang'
+ export OSX_VERSION
+ export SDKROOT
+ export PATH=/Users/StevenLiu/Work/multimedia/vlc/extras/tools/build/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin
+ PATH=/Users/StevenLiu/Work/multimedia/vlc/extras/tools/build/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin
+ TRIPLET=x86_64-apple-darwin10
+ info 'Building building tools'
+ local 'green=\033[1;32m'
+ local 'normal=\033[0m'
+ echo '[\033[1;32mbuild\033[0m] Building building tools'
[build] Building building tools
+ spushd /Users/StevenLiu/Work/multimedia/vlc/extras/tools
+ pushd /Users/StevenLiu/Work/multimedia/vlc/extras/tools
+ ./bootstrap
+ make
You are ready to build VLC and its contribs
+ spopd
+ popd
+ info 'Building contribs'
+ local 'green=\033[1;32m'
+ local 'normal=\033[0m'
+ echo '[\033[1;32mbuild\033[0m] Building contribs'
[build] Building contribs
+ spushd /Users/StevenLiu/Work/multimedia/vlc/contrib
+ pushd /Users/StevenLiu/Work/multimedia/vlc/contrib
+ mkdir -p build
+ cd build
+ ../bootstrap --build=x86_64-apple-darwin10 --host=x86_64-apple-darwin10
Creating configuration file... config.mak
Bootstrap completed.

Run "make" to start compilation.

Other targets:
* make install      same as "make"
* make prebuilt     fetch and install prebuilt binaries
* make list         list packages
* make fetch        fetch required source tarballs
* make fetch-all    fetch all source tarballs
* make distclean    clean everything and undo bootstrap
* make mostlyclean  clean everything except source tarballs
* make clean        clean everything
* make package      prepare prebuilt packages
+ '[' '!' -e ../x86_64-apple-darwin10 ']'
+ spopd
+ popd
+ info 'Bootstrap-ing configure'
+ local 'green=\033[1;32m'
+ local 'normal=\033[0m'
+ echo '[\033[1;32mbuild\033[0m] Bootstrap-ing configure'
[build] Bootstrap-ing configure
+ spushd /Users/StevenLiu/Work/multimedia/vlc
+ pushd /Users/StevenLiu/Work/multimedia/vlc
+ '[' -e /Users/StevenLiu/Work/multimedia/vlc/configure ']'
+ spopd
+ popd
+ '[' /Users/StevenLiu/Work/multimedia/vlc/configure -nt Makefile ']'
+ /Users/StevenLiu/Work/multimedia/vlc/extras/package/macosx/configure.sh --build=x86_64-apple-darwin10 --host=x86_64-apple-darwin10 --with-macosx-version-min=10.6 --with-macosx-sdk=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk
configure: error: cannot find install-sh, install.sh, or shtool in autotools "/Users/StevenLiu/Work/multimedia/vlc/extras/package/macosx/../../.."/autotools

最后一行，咋还有错误呢，然后走狗屎运了，我想自己手动执行一下：

cd ..
./bootstrap

然后竟然不提示错误了，这时候生成了configure文件了，然后进入到build里面继续

../extras/package/macosx/configure.sh --enable-debug --host=x86_64-apple-darwin10 --build=x86_64-apple-darwin10

执行完这一句以后，就可以make了

make -j8

然后就生成了VLC.app文件。搞定，很好用


参考文档: