CMake: update cmake.txt documentation to remove some old information and link

to the wiki for detailed cmake build setup instructions.

doc/build_systems/cmake.txt

@@ -7,12 +7,9 @@
 
     1. Introduction
     2. Obtaining CMake
-    3. Obtaining Dependencies
-    4. Deciding on a Build Environment
-    5. Configuring the build for the first time
-    6. Configuring the build after SVN updates
-    7. Specify alternate Python library versions and locations
-
+    3. Building Blender
+    4. Generic Setup
+    5. Configuring the build after SVN updates
 
     1. Introduction
     ---------------
@@ -28,36 +25,17 @@
     The website also contains some documentation on CMake usage but I found
     the man page alone pretty helpful. 
 
-    3. Obtaining Dependencies
-    -------------------------
+    3. Building Blender
+    -------------------
 
-    Check from the page
-    http://www.blender.org/cms/Getting_Dependencies.135.0.html that you
-    have all dependencies needed for building Blender. Note that for
-    windows many of these dependencies already come in the lib/windows
-    module from SVN.
+    Building Blender requires obtaining a compiler, library dependencies,
+    and correct setup depending on the system. For details on how to set
+    up a build on various operating systems, see the wiki documentation:
 
-    4. Deciding on a Build Environment
-    ----------------------------------
+    http://wiki.blender.org/index.php/Dev:Doc/Building_Blender
 
-    To build Blender with the CMake scripts you first need to decide which
-    build environment you feel comfortable with. This decision will also be
-    influenced by the platform you are developing on. The current implementation
-    have been successfully used to generate build files for the following 
-    environments:
-
-    1. Microsoft Visual Studio 2008. There is a free version available
-       at http://http://www.microsoft.com/visualstudio/en-us/products/2008-editions/express
-
-    2. Xcode on Mac OSX
-
-    3. Unix Makefiles (On Linux and Mac OSX): CMake actually creates make 
-       files which generates nicely color coded output and a percentage 
-       progress indicator.
-
-
-    5. Configuring the build for the first time
-    -------------------------------------------
+    4. Generic Setup
+    ----------------
 
     CMake allows one to generate the build project files and binary objects
     outside the source tree which can be pretty handy in working and experimenting
@@ -113,42 +91,14 @@
     It is also possible to use the commandline of 'cmake' to override certain
     of these settings. 
 
-    6. Configuring the build after SVN updates
+    5. Configuring the build after SVN updates
     ------------------------------------------
 
     The $BLENDERBUILD directory maintains a file called CMakeCache.txt which 
     remembers the initial run's settings for subsequent generation runs. After
-    every SVN update it may be a good idea to rerun the generation before building
-    Blender again. Just rerun the original 'cmake' run to do this, the settings
-    will be remembered. For the example above the following will do after every
-    'svn up':
-
-        % cmake -G Xcode $BLENDERSOURCE
-
-    7. Specify alternate Python library versions and locations
-    ----------------------------------------------------------
-    
-    The commandline can be used to override detected/default settings, e.g:
- 
-    On Unix: 
-      cmake -D PYTHON_LIBRARY=/usr/local/lib/python3.2/config/libpython3.2.so -D PYTHON_INCLUDE_DIR=/usr/local/include/python3.2 ../blender
-    On Macs: 
-      cmake -D PYTHON_INCLUDE_DIRS=/System/Library/Frameworks/Python.framework/Versions/3.2/include/python3.2 -G Xcode ../blender
-
-    Mote that this should only be needed once per build directory generation because it will keep the overrides in CMakeCache.txt for subsequent runs.
-
-
-
-    To be continued...
-
-    TODO's
-    ------
-
-    1. Get CMake to create proper distribution directories for the various platforms
-       like scons does.
-    2. Investigate the viability of using CPack to package installs automatically.
-    3. Refine this document and write detailed developer's document.
-    4. Make sure all options (ffmpeg, openexr, quicktime) has proper CMake support
-       on the various platforms.    
+    SVN updates that contain changes to the build system, rebuilding Blender will
+    automatically invoke CMake to regenerate the CMakeCache.txt and other files
+    as needed.
 
     /Jacques Beaurain (jbinto)
+