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Merge pull request #15447 from eska014/html5-optmode

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Build WebAssembly release module with -Os to decrease file size
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Rémi Verschelde 2018-01-07 17:47:15 +01:00 committed by GitHub
commit 4ab4001ab2
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1 changed files with 8 additions and 2 deletions
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10
platform/javascript/detect.py
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@ -49,8 +49,14 @@ def configure(env):
## Build type ## Build type
if (env["target"] == "release"): if (env["target"] == "release"):
env.Append(CCFLAGS=['-O3']) # Use -Os to prioritize optimizing for reduced file size. This is
env.Append(LINKFLAGS=['-O3']) # 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"): elif (env["target"] == "release_debug"):
env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED']) env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED'])