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-rw-r--r--platform/javascript/detect.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py
index 9bc204a94a..1ee3358888 100644
--- a/platform/javascript/detect.py
+++ b/platform/javascript/detect.py
@@ -76,6 +76,7 @@ def configure(env):
if("module_opus_enabled" in env and env["module_opus_enabled"] != "no"):
env.opus_fixed_point = "yes"
+ # These flags help keep the file size down
env.Append(CPPFLAGS=["-fno-exceptions", '-DNO_SAFE_CAST', '-fno-rtti'])
env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DPTHREAD_NO_RENAME', '-DNO_FCNTL', '-DMPC_FIXED_POINT', '-DTYPED_METHOD_BIND', '-DNO_THREADS'])
env.Append(CPPFLAGS=['-DGLES2_ENABLED'])
@@ -86,6 +87,12 @@ def configure(env):
if env['wasm'] == 'yes':
env.Append(LINKFLAGS=['-s', 'BINARYEN=1'])
env.Append(LINKFLAGS=['-s', '\'BINARYEN_METHOD="native-wasm"\''])
+ # Maximum memory size is baked into the WebAssembly binary during
+ # compilation, so we need to enable memory growth to allow setting
+ # TOTAL_MEMORY at runtime. The value set at runtime must be higher than
+ # what is set during compilation, check TOTAL_MEMORY in Emscripten's
+ # src/settings.js for the default.
+ env.Append(LINKFLAGS=['-s', 'ALLOW_MEMORY_GROWTH=1'])
env["PROGSUFFIX"] += ".webassembly"
else:
env.Append(CPPFLAGS=['-s', 'ASM_JS=1'])