From 42a2743712d797e382703de01c4dfdd925296d82 Mon Sep 17 00:00:00 2001
From: Uilian Ries <uilianries@gmail.com>
Date: Sat, 13 Dec 2025 18:02:42 +0100
Subject: [PATCH] Add support for wasm64 (#481)

Signed-off-by: Uilian Ries <uilianries@gmail.com>
---
 src/tools/emscripten.jam | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tools/emscripten.jam b/src/tools/emscripten.jam
index 0ed289fae..fb08272de 100644
--- a/src/tools/emscripten.jam
+++ b/src/tools/emscripten.jam
@@ -186,3 +186,7 @@ toolset.flags emscripten.link OPTIONS <closure>full : --closure 2 ;
 # things for old fastcomp backend which was removed in 2.0.0 (08/10/2020)
 toolset.flags emscripten.link OPTIONS <link-optimization>on : --llvm-lto 1 ;
 toolset.flags emscripten.link OPTIONS <link-optimization>full : --llvm-lto 3 ;
+
+# Memory64/wasm64 support
+toolset.flags emscripten.compile OPTIONS <address-model>64 : -sMEMORY64=1 ;
+toolset.flags emscripten.link    OPTIONS <address-model>64 : -sMEMORY64=1 ;