with 
     "../../../1-base/lace/applet/demo/event/distributed/simple_chat",
     "../../../1-base/lace/applet/demo/event/simple/deferred/lace_simple_deferred_events_demo",
     "../../../1-base/lace/applet/demo/event/simple/instant/lace_simple_instant_events_demo",
     "../../../1-base/lace/applet/demo/event/simple/lace_demo",

     "../../../1-base/lace/applet/demo/strings/strings_demo",

     "../../../1-base/math/applet/demo/basic/basic_math_demo",
     "../../../1-base/math/applet/demo/geometry/basic_geometry_demo",
     "../../../1-base/math/applet/test/suite/math_testsuite",
     "math",
     
     "../../../1-base/xml/applet/demo/outline/outline", 
     "../../../1-base/xml/applet/demo/tree/xml_tree", 
     "../../../1-base/xml/applet/demo/write/write",
     "xml",
     
     "../../../2-low/collada/applet/parse_box/parse_box",
     "collada",

--     "../../../2-low/neural/applet/test/learn_linear/learn_linear",
--     "neural",
     
--     "../../../3-mid/impact/applet/demo/2d/hello/impact_hello_2d_demo",
--     "../../../3-mid/impact/applet/demo/2d/orbs/orbs_hello_demo",
--     "../../../3-mid/impact/applet/demo/3d/hello/impact_hello_3d_demo",
--     "../../../3-mid/impact/applet/test/other/box_box_collision/box_box_collision_test",
--     "../../../3-mid/impact/applet/test/other/rigid_body_spin/launch_rigid_body_spin_test",
--     "../../../3-mid/impact/applet/test/other/sphere_sphere_collision/sphere_sphere_collision_test",
--     "impact",
     
     "../../../3-mid/opengl/applet/demo/camera/camera_demo",
     "../../../3-mid/opengl/applet/demo/core/core_test",
     "../../../3-mid/opengl/applet/demo/culler/large_terrain/large_terrain_demo",
     "../../../3-mid/opengl/applet/demo/culler/many_boxes/many_boxes_demo",
     "../../../3-mid/opengl/applet/demo/lights/render_lighting/render_lighting",
     "../../../3-mid/opengl/applet/demo/models/model_scaling/model_scaling",
     "../../../3-mid/opengl/applet/demo/models/render_arrows/render_arrows",
     "../../../3-mid/opengl/applet/demo/models/render_billboards/render_billboards",
     "../../../3-mid/opengl/applet/demo/models/render_boxes/render_boxes",
     "../../../3-mid/opengl/applet/demo/models/render_capsules/render_capsules",
     "../../../3-mid/opengl/applet/demo/renderer/render_models/render_models",
     "../../../3-mid/opengl/applet/demo/renderer/render_screenshot/render_screenshot",
     "../../../3-mid/opengl/applet/demo/renderer/render_text/render_text",
     "../../../3-mid/opengl/applet/demo/two_cameras/two_cameras_demo",
--     "../../../3-mid/opengl/applet/test/suite/egl/linkage/egl_linkage_test",
     "opengl",
     "opengl_core",
     "opengl_demo",
     "../../../3-mid/opengl/private/freetype/applet/test/linkage/freetype_linkage_test",
     "../../../3-mid/opengl/private/gid/gid",
--     "../../../3-mid/opengl/private/gl/applet/test/linkage/linkage_test",
     
     "box2d_thin",
     "box2d_thin_cxx",
     "box2d_thin_c",
     
     "bullet_thin",
     "bullet_thin_cxx",
     "bullet_thin_c",
     
--     "../../../3-mid/physics/implement/c_math/library/c_math_thin",
--     "../../../3-mid/physics/implement/c_math/library/c_math_thin_cxx",
--     "../../../3-mid/physics/implement/c_math/library/c_math_thin_c",
     "c_math_thin",
     "c_math_thin_cxx",
     "c_math_thin_c",
     
     -- TODO: resolve dual physics impact.
     
     "../../../3-mid/physics/implement/vox/applet/test_2d/test_2d",
     "../../../3-mid/physics/implement/vox/library/vox",
     
     "../../../3-mid/physics/interface/applet/demo/hello/2D/hello_physics_2d_demo",
     "../../../3-mid/physics/interface/applet/demo/hello/3D/hello_physics_3d_demo",
     "../../../3-mid/physics/interface/applet/demo/test_engine/test_engine",
     "physics",
     
     "../../../4-high/gel/applet/demo/distributed/dsa/demo_dsa",
     "../../../4-high/gel/applet/demo/distributed/fused/gel_fused",
     "../../../4-high/gel/applet/demo/game/box2d_test/gel_box2d_test",
     "../../../4-high/gel/applet/demo/game/pong/pong",
     "../../../4-high/gel/applet/demo/hello_gel/hello_sdl_gel",
     "../../../4-high/gel/applet/demo/models/opengl_model/opengl_model",
     "../../../4-high/gel/applet/demo/mouse/mouse_motion/mouse_motion",
     "../../../4-high/gel/applet/demo/mouse/mouse_selection/mouse_selection",
     "../../../4-high/gel/applet/demo/skinning/rig/box_rig/rig_demo",
     "../../../4-high/gel/applet/demo/sprite/chains_2d/chains_2d",
     "../../../4-high/gel/applet/demo/sprite/drop_ball_on_box/drop_ball_on_box",
     "../../../4-high/gel/applet/demo/sprite/drop_box_on_box/drop_box_on_box",
     "../../../4-high/gel/applet/demo/sprite/hinged_box/hinged_box",
     "../../../4-high/gel/applet/demo/sprite/mixed_joints/mixed_joints",
     "../../../4-high/gel/applet/demo/sprite/mixed_joints_2d/mixed_joints_2d",
     "../../../4-high/gel/applet/demo/sprite/mixed_shapes/mixed_shapes",
     "../../../4-high/gel/applet/demo/sprite/text/text_sprite_demo",
     "../../../4-high/gel/applet/test/single/add_rid_sprite/add_rid_sprite_test",
     "../../../4-high/gel/applet/tute/pong/1-basic_applet_window/pong_tute",
--     "sdl_gel",
     "gel",
     
     "lace",
     "lace_shared";

project build_all_Lace
is
    type Restrictions is ("xgc", "ravenscar");
    Restrictions : Restrictions := external ("restrictions");

    for Create_Missing_Dirs use "True";

    for Object_Dir  use "build";
    for Exec_Dir    use ".";
    for Source_Dirs use (".");
    for Main        use ("build_all_lace.adb");

    package Ide      renames Lace_shared.Ide;
    package Builder  renames Lace_shared.Builder;
    package Compiler renames Lace_shared.Compiler;
    package Binder   renames Lace_shared.Binder;

   package Linker is
      for Default_Switches ("ada") use ("-g", "-lfann", "-lfloatfann");
   end Linker;

end build_all_Lace;