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Build WebAssembly module with -Os to decrease file size

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Leon Krause
2018-01-07 00:13:04 +01:00
parent 4c23f94af9
commit 4211e4453e
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
if (env["target"] == "release"):
env.Append(CCFLAGS=['-O3'])
env.Append(LINKFLAGS=['-O3'])
# 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=['-O2', '-DDEBUG_ENABLED'])