SCons: Default optimize to auto, fixing target/dev_build inference for Web

Fixes #94087.
This commit is contained in:
Rémi Verschelde 2024-07-09 00:17:16 +02:00
parent b0467d07bf
commit 8897c77d50
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GPG Key ID: C3336907360768E1
2 changed files with 13 additions and 8 deletions

View File

@ -200,7 +200,10 @@ opts.Add(EnumVariable("arch", "CPU architecture", "auto", ["auto"] + architectur
opts.Add(BoolVariable("dev_build", "Developer build with dev-only debugging code (DEV_ENABLED)", False))
opts.Add(
EnumVariable(
"optimize", "Optimization level", "speed_trace", ("none", "custom", "debug", "speed", "speed_trace", "size")
"optimize",
"Optimization level (by default inferred from 'target' and 'dev_build')",
"auto",
("auto", "none", "custom", "debug", "speed", "speed_trace", "size"),
)
)
opts.Add(BoolVariable("debug_symbols", "Build with debugging symbols", False))
@ -466,14 +469,15 @@ env.editor_build = env["target"] == "editor"
env.dev_build = env["dev_build"]
env.debug_features = env["target"] in ["editor", "template_debug"]
if env["optimize"] == "auto":
if env.dev_build:
opt_level = "none"
elif env.debug_features:
opt_level = "speed_trace"
else: # Release
opt_level = "speed"
env["optimize"] = ARGUMENTS.get("optimize", opt_level)
env["debug_symbols"] = methods.get_cmdline_bool("debug_symbols", env.dev_build)
if env.editor_build:

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@ -78,6 +78,7 @@ def get_flags():
# -Os reduces file size by around 5 MiB over -O3. -Oz only saves about
# 100 KiB over -Os, which does not justify the negative impact on
# run-time performance.
# Note that this overrides the "auto" behavior for target/dev_build.
"optimize": "size",
}