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Building
========
Dependencies
* glib 2.12 or later
* D-Bus 1.0 and Glib bindings
* PAM
* ConsoleKit 0.2.3
* gnome-vfs (for file monitoring in greeter)
Getting From SVN
To get the very latest copy you'll need to pull it from SVN. Here's
how you'll do it.
svn co http://svn.gnome.org/svn/gdm/trunk gdm
Browse the code in SVN: http://svn.gnome.org/viewcvs/gdm/trunk/
Making Changes
==============
* Patches must be submitted in unified diff form. Using the "-p"
option is strongly preferred.
See:
http://www.xenomai.org/index.php/Teaching_-p_to_svn_diff
* All but the most trivial patches must be submitted to GNOME
bugzilla or the GDM mailing list <gdm-list@gnome.org> for approval.
* Patches must apply cleanly to SVN trunk.
* Patches should not introduce additional compilation warnings.
* Patches must use the GDM Coding Style.
Coding Style
============
* Follow the coding style already used.
* Trailing whitespace is not allowed.
* Use spaces (not tabs) for indentation.
* Brace on same line as block statement.
* Use braces on all blocks (even single line blocks).
* Code must conform to C89/C90 (ANSI/ISO C) (ie. no C99).
* Spaces between functions and arguments, or macros and arguments.
* Spaces before and after most binary operators.
* Spaces after most unary operators (including a comma).
* Return value on line before function definition.
* Brace on line after function definition.
* Do not initialize local variables in their declarations.
* Line up function arguments in declarations.
* One variable declaration per line.
* Line up variable names in declarations.
* Limit the use of function prototypes by defining functions
in the file before they are used.
* Whenever possible conditional expressions should not have side
effects (eg. don't set a value or call a function in an if
statement).
* '*' goes with variable not type, when declaring a pointer.
* Function arguments follow the function call on the same line, and if
lengthy are (where possible) wrapped to the column of the first brace.
* Always compare pointers with NULL instead of using "!".
* If you make a non-trivial and copyrightable change to a file
be sure to add your name to the copyright information at the
beginning of the file.
* Use gtk-doc style comments on public functions whenever possible.
* In most cases, don't abbreviate words in function and variable names.
* Function names are lowercase, words separated by underscores.
* Macros and enums are all uppercase, words seperated by
underscores.
* Types are all words capitalized, no separators between words.
* Don't use gchar. "char" is just fine.
* Public functions should check input using g_return_if_fail.
* Private functions should check input using g_assert.
* Handle the default case in switch statements with
a warning or g_assert_not_reached.
* Prefer glib functions over native ones when available.
* Use glib string handling functions when possible.
* When in doubt copy the style of the rest of the file.
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