Apple Darwin Uživatelský manuál stáhnout pdf (Strana 3)

Getting the Source Code

125

Getting the Source Code

To get the Darwin source code, you’ll need to register with the Apple Open

Source web site and check the source code out of the CVS archive. (The ker-

nel source code weighs in at about 35 MB; after you compile the kernel, it

will occupy about 150 MB.) To register for CVS access, visit http://developer.

apple.com/darwin/tools/cvs/. That page should lead to a getting-started page,

where you can register as a user.

The first step in registering is to agree to the Apple Public Source License

(http://www.opensource.apple.com/apsl/). When you agree to that license,

you can create a username and password that lets you check files out of CVS

and view the web-based CVS archive.

Using CVS

When you register with Apple, you choose a username and password. You’ll

need to use that username and password when you log into CVS. The first

step is setting your

CVSROOT environment variable. Under tcsh, issue this

command:

setenv CVSROOT :pserver:username@anoncvs.opensource.apple.com:/cvs/Darwin

Under bash or zsh, use this command:

export CVSROOT=:pserver:username@anoncvs.opensource.apple.com:/cvs/Darwin

Replace username with your username. After you set this environment vari-

able, you can log into CVS with cvs login:

% cvs login

(Logging in to username@anoncvs.opensource.apple.com)

CVS password: ********

Checking out sources

To check out the source code for a module, use the checkout command:

cvs -z3 checkout [-r VERSION] modulename

The -z3 option tells CVS to use compression when transferring files.

seg_addr_table Works with segment address tables. cctools

seg_hack Changes segment names. cctools

setd/jointfilesconvert/428949/bg Operates as an interactive kernel debugger. at_cmds

Table 7-1. Darwin development tools (continued)

Tool Description CVS module

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Apple Darwin Uživatelský manuál Strana 3