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Merge pull request #46966 from qarmin/faster_release

Allow to not optimize release build
This commit is contained in:
Rémi Verschelde
2021-03-20 22:44:47 +01:00
committed by GitHub
9 changed files with 32 additions and 28 deletions

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@@ -64,21 +64,21 @@ def configure(env):
sys.exit(255)
## Build type
if env["target"] == "release":
if env["target"].startswith("release"):
# Use -Os to prioritize optimizing for reduced file size. This is
# particularly valuable for the web platform because it directly
# decreases download time.
# -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.
env.Append(CCFLAGS=["-Os"])
env.Append(LINKFLAGS=["-Os"])
elif env["target"] == "release_debug":
env.Append(CCFLAGS=["-Os"])
env.Append(LINKFLAGS=["-Os"])
env.Append(CPPDEFINES=["DEBUG_ENABLED"])
# Retain function names for backtraces at the cost of file size.
env.Append(LINKFLAGS=["--profiling-funcs"])
if env["optimize"] != "none":
env.Append(CCFLAGS=["-Os"])
env.Append(LINKFLAGS=["-Os"])
if env["target"] == "release_debug":
env.Append(CPPDEFINES=["DEBUG_ENABLED"])
# Retain function names for backtraces at the cost of file size.
env.Append(LINKFLAGS=["--profiling-funcs"])
else: # "debug"
env.Append(CPPDEFINES=["DEBUG_ENABLED"])
env.Append(CCFLAGS=["-O1", "-g"])