Merge pull request godotengine#87981 from adamscott/add-emscripten--sgl_enable_get_proc_address-linker-flag

Fix emscripten 3.1.51 breaking change about `*glGetProcAddress()`

Author: akien-mga

platform/web/detect.py

@@ -206,6 +206,11 @@ def configure(env: "Environment"):
         env.Append(LINKFLAGS=["-s", "USE_WEBGL2=1"])
         # Allow use to take control of swapping WebGL buffers.
         env.Append(LINKFLAGS=["-s", "OFFSCREEN_FRAMEBUFFER=1"])
+        # Breaking change since emscripten 3.1.51
+        # https://github.com/emscripten-core/emscripten/blob/main/ChangeLog.md#3151---121323
+        if cc_semver >= (3, 1, 51):
+            # Enables the use of *glGetProcAddress()
+            env.Append(LINKFLAGS=["-s", "GL_ENABLE_GET_PROC_ADDRESS=1"])
 
     if env["javascript_eval"]:
         env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"])