请问如何根据一个源码为发行版打包？

[jklyekai]

各位大侠，小弟菜鸟！
我在http://archive.ubuntu.com/ubuntu/dists/dapper/main/binary-i386/package.gz里面看到每一个包的格式是如下的，请问这些信息如何生成的呢？特别是md5、size等信息？对于一个源码包，我如何发现他的依赖文件等，用什么工具呢？不胜感激
Package: ant
Priority: optional
Section: devel
Installed-Size: 1200
Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
Architecture: all
Version: 1.6.5-3ubuntu1
Replaces: libant1.6-java, ant-doc (<= 1.6.5-1)
Depends: java-gcj-compat | java-virtual-machine, java-gcj-compat | java1-runtime | java2-runtime, libxerces2-java
Recommends: ant-optional, ecj-bootstrap | ecj | java-compiler
Suggests: ant-doc
Conflicts: libant1.6-java, ant-doc (<= 1.6.5-1)
Filename: pool/main/a/ant/ant_1.6.5-3ubuntu1_all.deb
Size: 1035368
MD5sum: a1c05dbb56cabacd5f50f2334da62638
Description: Java based build tool like make
A system independent (i.e. not shell based) build tool that us

希望具体一点的操作！谢谢！

[HuntXu]

http://wiki.ubuntu.org.cn/index.php?tit ... iant=zh-cn