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[SCons] Refactor targets, symbols, optimizations.
Now matches Godot `master` target names and supports the same flags with the following notable exceptions: - The default target is "template_debug", since it's compatible with editor builds (and TOOLS_ENABLED is never used internally). - separate_debug_symbols is still not supported, and will be done in a separate commit.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,6 +8,9 @@ | |
| include/gen | ||
| src/gen | ||
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| # Build configuarion. | ||
| /custom.py | ||
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| # Misc | ||
| logs/* | ||
| *.log | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,57 +1,88 @@ | ||
| import os | ||
| import sys | ||
| from SCons.Script import ARGUMENTS | ||
| from SCons.Variables import * | ||
| from SCons.Variables.BoolVariable import _text2bool | ||
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| def get_cmdline_bool(option, default): | ||
| """We use `ARGUMENTS.get()` to check if options were manually overridden on the command line, | ||
| and SCons' _text2bool helper to convert them to booleans, otherwise they're handled as strings. | ||
| """ | ||
| cmdline_val = ARGUMENTS.get(option) | ||
| if cmdline_val is not None: | ||
| return _text2bool(cmdline_val) | ||
| else: | ||
| return default | ||
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| def options(opts): | ||
| opts.Add( | ||
| EnumVariable( | ||
| "optimize", | ||
| "The desired optimization flags", | ||
| "auto", | ||
| ("auto", "none", "debug", "speed", "size", "0", "1", "2", "3"), | ||
| "speed_trace", | ||
| ("none", "custom", "debug", "speed", "speed_trace", "size"), | ||
| ) | ||
| ) | ||
| opts.Add(BoolVariable("debug_symbols", "Add debugging symbols to release builds", False)) | ||
| opts.Add(BoolVariable("debug_symbols", "Build with debugging symbols", True)) | ||
| opts.Add(BoolVariable("dev_build", "Developer build with dev-only debugging code (DEV_ENABLED)", False)) | ||
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| def exists(env): | ||
| return True | ||
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| def generate(env): | ||
| if env["optimize"] == "auto": | ||
| env["optimize"] = "speed" if env["target"] == "release" else "debug" | ||
| env["debug_symbols"] = env["debug_symbols"] or env["target"] == "debug" | ||
| env.dev_build = env["dev_build"] | ||
| env.debug_features = env["target"] in ["editor", "template_debug"] | ||
| env.editor_build = env["target"] == "editor" | ||
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| if env.editor_build: | ||
| env.AppendUnique(CPPDEFINES=["TOOLS_ENABLED"]) | ||
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| if env.debug_features: | ||
| env.AppendUnique(CPPDEFINES=["DEBUG_ENABLED", "DEBUG_METHODS_ENABLED"]) | ||
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| if env.dev_build: | ||
| opt_level = "none" | ||
| env.AppendUnique(CPPDEFINES=["DEV_ENABLED"]) | ||
| elif env.debug_features: | ||
| opt_level = "speed_trace" | ||
| else: # Release | ||
| opt_level = "speed" | ||
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| env["optimize"] = ARGUMENTS.get("optimize", opt_level) | ||
| env["debug_symbols"] = get_cmdline_bool("debug_symbols", env.dev_build) | ||
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| if "is_msvc" in env and env["is_msvc"]: | ||
| if env["debug_symbols"]: | ||
| env.Append(CCFLAGS=["/Z7", "/D_DEBUG"]) | ||
| env.Append(CCFLAGS=["/Zi", "/FS"]) | ||
| env.Append(LINKFLAGS=["/DEBUG:FULL"]) | ||
| else: | ||
| env.Append(CCFLAGS=["/Z7", "/DNDEBUG"]) | ||
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| if env["optimize"] == "speed": | ||
| if env["optimize"] == "speed" or env["optimize"] == "speed_trace": | ||
| env.Append(CCFLAGS=["/O2"]) | ||
| env.Append(LINKFLAGS=["/OPT:REF"]) | ||
| elif env["optimize"] == "size": | ||
| env.Append(CCFLAGS=["/Os"]) | ||
| elif env["optimize"] == "debug": | ||
| env.Append(CCFLAGS=["/Od"]) | ||
| elif env["optimize"] == "none": | ||
| env.Append(CCFLAGS=["/O1"]) | ||
| env.Append(LINKFLAGS=["/OPT:REF"]) | ||
| elif env["optimize"] == "debug" or env["optimize"] == "none": | ||
| env.Append(CCFLAGS=["/Od"]) | ||
| else: | ||
| env.Append(CCFLAGS=["/O%s" % env["optimize"]]) | ||
| else: | ||
| if env["debug_symbols"]: | ||
| env.Append(CCFLAGS=["-g"]) | ||
| if env.dev_build: | ||
| env.Append(CCFLAGS=["-g3"]) | ||
| else: | ||
| env.Append(CCFLAGS=["-g2"]) | ||
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| if env["optimize"] == "speed": | ||
| env.Append(CCFLAGS=["-O3"]) | ||
| # `-O2` is friendlier to debuggers than `-O3`, leading to better crash backtraces. | ||
| elif env["optimize"] == "speed_trace": | ||
| env.Append(CCFLAGS=["-O2"]) | ||
| elif env["optimize"] == "size": | ||
| env.Append(CCFLAGS=["-Os"]) | ||
| elif env["optimize"] == "debug": | ||
| env.Append(CCFLAGS=["-Og"]) | ||
| elif env["optimize"] == "none": | ||
| env.Append(CCFLAGS=["-O0"]) | ||
| else: | ||
| env.Append(CCFLAGS=["-O%s" % env["optimize"]]) |