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SCons: Fix build with p alias or platform auto-detection
Fixes a pre-existing bug that #44433 exposed. It's pretty hacky, but we use `platform` in `env` both as an optional command line option (instead it can be autodetected, or passed via the `p` alias, and on Linux it might be overridden if you pass one of the convenience alias values), and as the reference value for what platform we're building on. Thus we override `env_base["platform"]` with the autodetected or validated platform, but any call to `opts.Update(env_base)` overrides it with the original command line option... causing e.g. #44448. The proper fix would be to refactor all this so that we don't reuse `env["platform"]` for platform detection (it could instead be e.g. `env.platform` as a member variable which holds the validated value), but for now I'm tapering over the immediate breakage. Fixes #44448 and other breakages induced by #44433.
This commit is contained in:
Rémi Verschelde
parent
f3dccf5891
commit
8f660393fe
98
SConstruct
98
SConstruct
@ -17,6 +17,7 @@ import glsl_builders
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# Scan possible build platforms
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platform_list = [] # list of platforms
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platform_opts = {} # options for each platform
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platform_flags = {} # flags for each platform
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active_platforms = []
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@ -43,6 +44,7 @@ for x in sorted(glob.glob("platform/*")):
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x = x.replace("platform/", "") # rest of world
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x = x.replace("platform\\", "") # win32
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platform_list += [x]
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platform_opts[x] = detect.get_opts()
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platform_flags[x] = detect.get_flags()
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sys.path.remove(tmppath)
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sys.modules.pop("detect")
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@ -172,10 +174,55 @@ opts.Add("CFLAGS", "Custom flags for the C compiler")
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opts.Add("CXXFLAGS", "Custom flags for the C++ compiler")
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opts.Add("LINKFLAGS", "Custom flags for the linker")
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# Update the environment now as the "custom_modules" option may be
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# defined in a file rather than specified via the command line.
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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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# 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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else:
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# Missing `platform` argument, try to detect platform automatically
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if sys.platform.startswith("linux"):
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selected_platform = "linuxbsd"
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elif sys.platform == "darwin":
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selected_platform = "osx"
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elif sys.platform == "win32":
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selected_platform = "windows"
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else:
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print("Could not detect platform automatically. Supported platforms:")
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for x in platform_list:
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print("\t" + x)
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print("\nPlease run SCons again and select a valid platform: platform=<string>")
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if selected_platform != "":
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print("Automatically detected platform: " + selected_platform)
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if selected_platform in ["linux", "bsd", "x11"]:
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if selected_platform == "x11":
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# Deprecated alias kept for compatibility.
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print('Platform "x11" has been renamed to "linuxbsd" in Godot 4.0. Building for platform "linuxbsd".')
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# Alias for convenience.
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selected_platform = "linuxbsd"
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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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# Add platform-specific options.
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if selected_platform in platform_opts:
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for opt in platform_opts[selected_platform]:
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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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# Detect modules.
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modules_detected = OrderedDict()
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module_search_paths = ["modules"] # Built-in path.
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@ -214,6 +261,8 @@ 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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# add default include paths
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@ -249,52 +298,11 @@ if env_base["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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env_base.platforms = {}
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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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env_base["platform"] = selected_platform
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else:
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# Missing `platform` argument, try to detect platform automatically
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if sys.platform.startswith("linux"):
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selected_platform = "linuxbsd"
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elif sys.platform == "darwin":
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selected_platform = "osx"
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elif sys.platform == "win32":
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selected_platform = "windows"
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else:
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print("Could not detect platform automatically. Supported platforms:")
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for x in platform_list:
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print("\t" + x)
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print("\nPlease run SCons again and select a valid platform: platform=<string>")
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if selected_platform != "":
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print("Automatically detected platform: " + selected_platform)
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env_base["platform"] = selected_platform
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if selected_platform in ["linux", "bsd", "x11"]:
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if selected_platform == "x11":
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# Deprecated alias kept for compatibility.
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print('Platform "x11" has been renamed to "linuxbsd" in Godot 4.0. Building for platform "linuxbsd".')
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# Alias for convenience.
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selected_platform = "linuxbsd"
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env_base["platform"] = selected_platform
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if selected_platform in platform_list:
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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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# Add platform-specific options.
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for opt in detect.get_opts():
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opts.Add(opt)
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opts.Update(env_base)
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Help(opts.GenerateHelpText(env_base))
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if "create" in dir(detect):
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env = detect.create(env_base)
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else:
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@ -664,10 +672,6 @@ elif selected_platform != "":
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else:
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Exit(255)
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else:
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# Update help to include options.
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Help(opts.GenerateHelpText(env_base))
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# The following only makes sense when the 'env' is defined, and assumes it is.
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if "env" in locals():
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methods.show_progress(env)
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