[HTML5] Fix GDNative compilation with emcc 2.0.19+

Add `WARN_ON_UNDEFINED_SYMBOLS=0` for the main module (which defines
`godot_js_main` as extern coming from the "side" module, i.e. the main
Godot binary).

(cherry picked from commit 14c057eab6)
This commit is contained in:
Fabio Alessandrelli 2021-05-19 11:48:46 +02:00 committed by Rémi Verschelde
parent 0f3f706ca6
commit af6c50b0e5
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@ -46,6 +46,7 @@ if env["gdnative_enabled"]:
sys_env.Append(LINKFLAGS=["-s", "MAIN_MODULE=1"])
sys_env.Append(CCFLAGS=["-s", "EXPORT_ALL=1"])
sys_env.Append(LINKFLAGS=["-s", "EXPORT_ALL=1"])
sys_env.Append(LINKFLAGS=["-s", "WARN_ON_UNDEFINED_SYMBOLS=0"])
# Force exporting the standard library (printf, malloc, etc.)
sys_env["ENV"]["EMCC_FORCE_STDLIBS"] = "libc,libc++,libc++abi"
# The main emscripten runtime, with exported standard libraries.