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# Copied from https://github.com/godotengine/godot-cpp/blob/edf02f83194b58408ca241459c986e32c52fd9c7/tools/targets.py
import os
import sys
from SCons.Script import ARGUMENTS
from SCons.Variables import *
from SCons.Variables.BoolVariable import _text2bool
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
def options(opts):
opts.Add(
EnumVariable(
"optimize",
"The desired optimization flags",
"speed_trace",
("none", "custom", "debug", "speed", "speed_trace", "size"),
)
)
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))
def exists(env):
return True
def generate(env):
env.dev_build = env["dev_build"]
env.debug_features = env["target"] in ["editor", "template_debug"]
env.editor_build = env["target"] == "editor"
if env.editor_build:
env.AppendUnique(CPPDEFINES=["TOOLS_ENABLED"])
if env.debug_features:
env.AppendUnique(CPPDEFINES=["DEBUG_ENABLED", "DEBUG_METHODS_ENABLED"])
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"
env["optimize"] = ARGUMENTS.get("optimize", opt_level)
env["debug_symbols"] = get_cmdline_bool("debug_symbols", env.dev_build)
if env.get("is_msvc", False):
if env["debug_symbols"]:
env.Append(CCFLAGS=["/Zi", "/FS"])
env.Append(LINKFLAGS=["/DEBUG:FULL"])
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=["/O1"])
env.Append(LINKFLAGS=["/OPT:REF"])
if env["optimize"] == "debug" or env["optimize"] == "none":
env.Append(CCFLAGS=["/MDd", "/Od"])
else:
env.Append(CCFLAGS=["/MD"])
else:
if env["debug_symbols"]:
if env.dev_build:
env.Append(CCFLAGS=["-g3"])
else:
env.Append(CCFLAGS=["-g2"])
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"])
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zaaarf