SCons: Convert `env_base` to `env`
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Thaddeus Crews
parent
4b7776e31b
commit
41fee42c40
156
SConstruct
156
SConstruct
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@ -121,38 +121,38 @@ elif os.name == "nt" and methods.get_cmdline_bool("use_mingw", False):
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# We let SCons build its default ENV as it includes OS-specific things which we don't
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# want to have to pull in manually.
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# Then we prepend PATH to make it take precedence, while preserving SCons' own entries.
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env_base = Environment(tools=custom_tools)
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env_base.PrependENVPath("PATH", os.getenv("PATH"))
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env_base.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
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env = Environment(tools=custom_tools)
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env.PrependENVPath("PATH", os.getenv("PATH"))
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env.PrependENVPath("PKG_CONFIG_PATH", os.getenv("PKG_CONFIG_PATH"))
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if "TERM" in os.environ: # Used for colored output.
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env_base["ENV"]["TERM"] = os.environ["TERM"]
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env["ENV"]["TERM"] = os.environ["TERM"]
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env_base.disabled_modules = []
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env_base.module_version_string = ""
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env_base.msvc = False
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env.disabled_modules = []
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env.module_version_string = ""
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env.msvc = False
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env_base.__class__.disable_module = methods.disable_module
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env.__class__.disable_module = methods.disable_module
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env_base.__class__.add_module_version_string = methods.add_module_version_string
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env.__class__.add_module_version_string = methods.add_module_version_string
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env_base.__class__.add_source_files = methods.add_source_files
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env_base.__class__.use_windows_spawn_fix = methods.use_windows_spawn_fix
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env.__class__.add_source_files = methods.add_source_files
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env.__class__.use_windows_spawn_fix = methods.use_windows_spawn_fix
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env_base.__class__.add_shared_library = methods.add_shared_library
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env_base.__class__.add_library = methods.add_library
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env_base.__class__.add_program = methods.add_program
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env_base.__class__.CommandNoCache = methods.CommandNoCache
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env_base.__class__.Run = methods.Run
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env_base.__class__.disable_warnings = methods.disable_warnings
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env_base.__class__.force_optimization_on_debug = methods.force_optimization_on_debug
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env_base.__class__.module_add_dependencies = methods.module_add_dependencies
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env_base.__class__.module_check_dependencies = methods.module_check_dependencies
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env.__class__.add_shared_library = methods.add_shared_library
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env.__class__.add_library = methods.add_library
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env.__class__.add_program = methods.add_program
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env.__class__.CommandNoCache = methods.CommandNoCache
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env.__class__.Run = methods.Run
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env.__class__.disable_warnings = methods.disable_warnings
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env.__class__.force_optimization_on_debug = methods.force_optimization_on_debug
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env.__class__.module_add_dependencies = methods.module_add_dependencies
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env.__class__.module_check_dependencies = methods.module_check_dependencies
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env_base["x86_libtheora_opt_gcc"] = False
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env_base["x86_libtheora_opt_vc"] = False
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env["x86_libtheora_opt_gcc"] = False
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env["x86_libtheora_opt_vc"] = False
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# avoid issues when building with different versions of python out of the same directory
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env_base.SConsignFile(File("#.sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL)).abspath)
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env.SConsignFile(File("#.sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL)).abspath)
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# Build options
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@ -275,22 +275,22 @@ opts.Add("linkflags", "Custom flags for the linker")
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# Update the environment to have all above options defined
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# in following code (especially platform and custom_modules).
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opts.Update(env_base)
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opts.Update(env)
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# Copy custom environment variables if set.
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if env_base["import_env_vars"]:
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for env_var in str(env_base["import_env_vars"]).split(","):
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if env["import_env_vars"]:
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for env_var in str(env["import_env_vars"]).split(","):
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if env_var in os.environ:
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env_base["ENV"][env_var] = os.environ[env_var]
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env["ENV"][env_var] = os.environ[env_var]
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# Platform selection: validate input, and add options.
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selected_platform = ""
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if env_base["platform"] != "":
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selected_platform = env_base["platform"]
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elif env_base["p"] != "":
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selected_platform = env_base["p"]
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if env["platform"] != "":
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selected_platform = env["platform"]
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elif env["p"] != "":
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selected_platform = env["p"]
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else:
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# Missing `platform` argument, try to detect platform automatically
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if (
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@ -343,7 +343,7 @@ if selected_platform not in platform_list:
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# Make sure to update this to the found, valid platform as it's used through the buildsystem as the reference.
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# It should always be re-set after calling `opts.Update()` otherwise it uses the original input value.
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env_base["platform"] = selected_platform
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env["platform"] = selected_platform
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# Add platform-specific options.
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if selected_platform in platform_opts:
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@ -351,15 +351,15 @@ if selected_platform in platform_opts:
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opts.Add(opt)
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# Update the environment to take platform-specific options into account.
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opts.Update(env_base)
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env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
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opts.Update(env)
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env["platform"] = selected_platform # Must always be re-set after calling opts.Update().
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# Detect modules.
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modules_detected = OrderedDict()
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module_search_paths = ["modules"] # Built-in path.
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if env_base["custom_modules"]:
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paths = env_base["custom_modules"].split(",")
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if env["custom_modules"]:
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paths = env["custom_modules"].split(",")
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for p in paths:
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try:
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module_search_paths.append(methods.convert_custom_modules_path(p))
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@ -373,13 +373,13 @@ for path in module_search_paths:
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# so save the time it takes to parse directories.
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modules = methods.detect_modules(path, recursive=False)
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else: # Custom.
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modules = methods.detect_modules(path, env_base["custom_modules_recursive"])
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modules = methods.detect_modules(path, env["custom_modules_recursive"])
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# Provide default include path for both the custom module search `path`
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# and the base directory containing custom modules, as it may be different
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# from the built-in "modules" name (e.g. "custom_modules/summator/summator.h"),
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# so it can be referenced simply as `#include "summator/summator.h"`
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# independently of where a module is located on user's filesystem.
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env_base.Prepend(CPPPATH=[path, os.path.dirname(path)])
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env.Prepend(CPPPATH=[path, os.path.dirname(path)])
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# Note: custom modules can override built-in ones.
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modules_detected.update(modules)
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@ -388,7 +388,7 @@ for name, path in modules_detected.items():
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sys.path.insert(0, path)
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import config
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if env_base["modules_enabled_by_default"]:
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if env["modules_enabled_by_default"]:
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enabled = True
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try:
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enabled = config.is_enabled()
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@ -412,17 +412,17 @@ for name, path in modules_detected.items():
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methods.write_modules(modules_detected)
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# Update the environment again after all the module options are added.
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opts.Update(env_base)
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env_base["platform"] = selected_platform # Must always be re-set after calling opts.Update().
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Help(opts.GenerateHelpText(env_base))
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opts.Update(env)
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env["platform"] = selected_platform # Must always be re-set after calling opts.Update().
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Help(opts.GenerateHelpText(env))
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# add default include paths
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env_base.Prepend(CPPPATH=["#"])
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env.Prepend(CPPPATH=["#"])
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# configure ENV for platform
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env_base.platform_exporters = platform_exporters
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env_base.platform_apis = platform_apis
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env.platform_exporters = platform_exporters
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env.platform_apis = platform_apis
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# Configuration of build targets:
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# - Editor or template
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@ -431,71 +431,69 @@ env_base.platform_apis = platform_apis
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# - Optimization level
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# - Debug symbols for crash traces / debuggers
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env_base.editor_build = env_base["target"] == "editor"
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env_base.dev_build = env_base["dev_build"]
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env_base.debug_features = env_base["target"] in ["editor", "template_debug"]
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env.editor_build = env["target"] == "editor"
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env.dev_build = env["dev_build"]
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env.debug_features = env["target"] in ["editor", "template_debug"]
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if env_base.dev_build:
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if env.dev_build:
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opt_level = "none"
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elif env_base.debug_features:
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elif env.debug_features:
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opt_level = "speed_trace"
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else: # Release
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opt_level = "speed"
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env_base["optimize"] = ARGUMENTS.get("optimize", opt_level)
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env_base["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", env_base.dev_build)
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env["optimize"] = ARGUMENTS.get("optimize", opt_level)
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env["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", env.dev_build)
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if env_base.editor_build:
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env_base.Append(CPPDEFINES=["TOOLS_ENABLED"])
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if env.editor_build:
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env.Append(CPPDEFINES=["TOOLS_ENABLED"])
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if env_base.debug_features:
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if env.debug_features:
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# DEBUG_ENABLED enables debugging *features* and debug-only code, which is intended
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# to give *users* extra debugging information for their game development.
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env_base.Append(CPPDEFINES=["DEBUG_ENABLED"])
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env.Append(CPPDEFINES=["DEBUG_ENABLED"])
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if env_base.dev_build:
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if env.dev_build:
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# DEV_ENABLED enables *engine developer* code which should only be compiled for those
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# working on the engine itself.
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env_base.Append(CPPDEFINES=["DEV_ENABLED"])
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env.Append(CPPDEFINES=["DEV_ENABLED"])
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else:
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# Disable assert() for production targets (only used in thirdparty code).
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env_base.Append(CPPDEFINES=["NDEBUG"])
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env.Append(CPPDEFINES=["NDEBUG"])
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# SCons speed optimization controlled by the `fast_unsafe` option, which provide
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# more than 10 s speed up for incremental rebuilds.
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# Unsafe as they reduce the certainty of rebuilding all changed files, so it's
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# enabled by default for `debug` builds, and can be overridden from command line.
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# Ref: https://github.com/SCons/scons/wiki/GoFastButton
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if methods.get_cmdline_bool("fast_unsafe", env_base.dev_build):
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if methods.get_cmdline_bool("fast_unsafe", env.dev_build):
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# Renamed to `content-timestamp` in SCons >= 4.2, keeping MD5 for compat.
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env_base.Decider("MD5-timestamp")
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env_base.SetOption("implicit_cache", 1)
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env_base.SetOption("max_drift", 60)
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env.Decider("MD5-timestamp")
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env.SetOption("implicit_cache", 1)
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env.SetOption("max_drift", 60)
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if env_base["use_precise_math_checks"]:
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env_base.Append(CPPDEFINES=["PRECISE_MATH_CHECKS"])
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if env["use_precise_math_checks"]:
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env.Append(CPPDEFINES=["PRECISE_MATH_CHECKS"])
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if env_base.editor_build and env_base["engine_update_check"]:
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env_base.Append(CPPDEFINES=["ENGINE_UPDATE_CHECK_ENABLED"])
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if env.editor_build and env["engine_update_check"]:
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env.Append(CPPDEFINES=["ENGINE_UPDATE_CHECK_ENABLED"])
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if not env_base.File("#main/splash_editor.png").exists():
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if not env.File("#main/splash_editor.png").exists():
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# Force disabling editor splash if missing.
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env_base["no_editor_splash"] = True
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if env_base["no_editor_splash"]:
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env_base.Append(CPPDEFINES=["NO_EDITOR_SPLASH"])
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env["no_editor_splash"] = True
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if env["no_editor_splash"]:
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env.Append(CPPDEFINES=["NO_EDITOR_SPLASH"])
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if not env_base["deprecated"]:
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env_base.Append(CPPDEFINES=["DISABLE_DEPRECATED"])
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if not env["deprecated"]:
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env.Append(CPPDEFINES=["DISABLE_DEPRECATED"])
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if env_base["precision"] == "double":
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env_base.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])
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if env["precision"] == "double":
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env.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])
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tmppath = "./platform/" + selected_platform
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sys.path.insert(0, tmppath)
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import detect
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env = env_base.Clone()
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# Default num_jobs to local cpu count if not user specified.
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# SCons has a peculiarity where user-specified options won't be overridden
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# by SetOption, so we can rely on this to know if we should use our default.
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@ -570,7 +568,7 @@ if env["production"]:
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# Run SCU file generation script if in a SCU build.
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if env["scu_build"]:
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max_includes_per_scu = 8
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if env_base.dev_build == True:
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if env.dev_build == True:
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max_includes_per_scu = 1024
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read_scu_limit = int(env["scu_limit"])
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@ -844,7 +842,7 @@ suffix += "." + env["target"]
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if env.dev_build:
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suffix += ".dev"
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if env_base["precision"] == "double":
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if env["precision"] == "double":
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suffix += ".double"
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suffix += "." + env["arch"]
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