From d519a9710456dcb264f33ed38827422c3cb8e23d Mon Sep 17 00:00:00 2001
From: Fabio Alessandrelli <fabio.alessandrelli@gmail.com>
Date: Tue, 3 May 2022 21:44:09 +0200
Subject: [PATCH] [JS] Add flag to disable weak symbols in ZSTD.

Weak symbols are currently broken in upstream emscripten.

(cherry picked from commit 070bd87aaaf7a15ad9d2d839182f14d5c352153b)
---
 platform/javascript/detect.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py
index 0af2b845241..3af027e3545 100644
--- a/platform/javascript/detect.py
+++ b/platform/javascript/detect.py
@@ -201,6 +201,8 @@ def configure(env):
             sys.exit(255)
         env.Append(CCFLAGS=["-s", "RELOCATABLE=1"])
         env.Append(LINKFLAGS=["-s", "RELOCATABLE=1"])
+        # Weak symbols are broken upstream: https://github.com/emscripten-core/emscripten/issues/12819
+        env.Append(CPPDEFINES=["ZSTD_HAVE_WEAK_SYMBOLS=0"])
         env.extra_suffix = ".gdnative" + env.extra_suffix
 
     # Reduce code size by generating less support code (e.g. skip NodeJS support).