SCons updates

* Game engine can now be build on Linux. By default this feature is disabled.
  The reason is that you need to have a precompiled version of the ode library
  for your gcc version.
  To enable ode support you need to do the following:
  - compile ode.
  - set BUILD_GAMEENGINE = 'true' in the config.opts file.
  - set USE_PHYSICS='ode' in the config.opts file.
  - set the ODE_INCLUDE and ODE_LIBPATH to valid locations.

* Linking order has changed for the game engine
  There are cyclic dependencies between libraries. On linux we have to do some
  duplicate linking. I looked at the order of linking in source/Makefile, and
  did some clean up.

SConstruct

@@ -64,9 +64,9 @@ if sys.platform == 'linux2':
     qhull_libpath = []                                          # TODO
     qhull_include = ['#extern/qhull/include']
     # ODE library information
-    ode_lib = []                                                # TODO
-    ode_libpath = []                                            # TODO
-    ode_include = ['#extern/ode/dist/include/ode']
+    ode_lib = ['ode']
+    ode_libpath = ['#../lib/linux-glibc2.2.5-i386/ode/lib']
+    ode_include = ['#../lib/linux-glibc2.2.5-i386/ode/include']
     # Python library information
     python_lib = ['python%d.%d' % sys.version_info[0:2]]
     python_libpath = [sysconfig.get_python_lib (0, 1) + '/config']
@@ -693,19 +693,22 @@ if user_options_dict['USE_INTERNATIONAL'] == 1:
 if user_options_dict['USE_QUICKTIME'] == 1:
     link_env.Append (LIBS=['blender_quicktime'])
 if user_options_dict['BUILD_GAMEENGINE'] == 1:
-    link_env.Append (LIBS=['blender_expressions',
-                           'KX_blenderhook',
+    link_env.Append (LIBS=['KX_blenderhook',
                            'KX_converter',
-                           'KX_ketsji',
-                           'KX_network',
-                           'NG_loopbacknetwork',
-                           'NG_network',
-                           'PHY_Physics',
                            'PHY_Dummy',
+                           'PHY_Physics',
+                           'KX_ketsji',
                            'SCA_GameLogic',
                            'RAS_rasterizer',
                            'RAS_OpenGLRasterizer',
-                           'SG_SceneGraph'])
+                           'blender_expressions',
+                           'SG_SceneGraph',
+                           'blender_MT',
+                           'KX_blenderhook',
+                           'KX_network',
+                           'blender_kernel',
+                           'NG_network',
+                           'NG_loopbacknetwork'])
     if user_options_dict['USE_PHYSICS'] == 'solid':
         link_env.Append (LIBS=['PHY_Sumo'])
         link_env.Append (LIBS=user_options_dict['SOLID_LIBRARY'])
@@ -713,7 +716,8 @@ if user_options_dict['BUILD_GAMEENGINE'] == 1:
         link_env.Append (LIBS=user_options_dict['QHULL_LIBRARY'])
         link_env.Append (LIBPATH=user_options_dict['QHULL_LIBPATH'])
     else:
-        link_env.Append (LIBS=['PHY_Ode'])
+        link_env.Append (LIBS=['PHY_Ode',
+                               'PHY_Physics'])
         link_env.Append (LIBS=user_options_dict['ODE_LIBRARY'])
         link_env.Append (LIBPATH=user_options_dict['ODE_LIBPATH'])
 

source/gameengine/Physics/BlOde/SConscript

@@ -15,6 +15,6 @@ source_files = ['OdePhysicsController.cpp',
 phy_ode_env.Append (CPPPATH=['.',
                              '../common',
                             ])
-phy_ode_env.Append (CPPPATH=['ODE_INCLUDE'])
+phy_ode_env.Append (CPPPATH=user_options_dict['ODE_INCLUDE'])
 
 phy_ode_env.Library (target='#'+user_options_dict['BUILD_DIR']+'/lib/PHY_Ode', source=source_files)

source/gameengine/SConscript

@@ -16,6 +16,5 @@ SConscript(['BlenderRoutines/SConscript',
 
 if user_options_dict['USE_PHYSICS'] == 'solid':
     SConscript(['Physics/Sumo/SConscript'])
-
-if user_options_dict['USE_PHYSICS'] == 'ode':
+elif user_options_dict['USE_PHYSICS'] == 'ode':
     SConscript(['Physics/BlOde/SConscript'])