From: Hood Chatham <roberthoodchatham@gmail.com>
Date: Sun, 20 Jul 2025 22:30:35 +0000 (+0200)
Subject: gh-136852: Emscripten: Add PYTHON_NODE_VERSION environment variable (#136853)
X-Git-Tag: v3.15.0a1~913
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=aec7f5f8b2e8b5e02869cdb4e1f8a9ef87c9f953;p=thirdparty%2FPython%2Fcpython.git

gh-136852: Emscripten: Add PYTHON_NODE_VERSION environment variable (#136853)

To choose the node version we use. Together with:
https://github.com/python/buildmaster-config/pull/614
closes #136852.
---

diff --git a/Tools/wasm/emscripten/__main__.py b/Tools/wasm/emscripten/__main__.py
index dc8422420a56..24b989f75f7b 100644
--- a/Tools/wasm/emscripten/__main__.py
+++ b/Tools/wasm/emscripten/__main__.py
@@ -206,6 +206,17 @@ def configure_emscripten_python(context, working_dir):
         sysconfig_data += "-pydebug"
 
     host_runner = context.host_runner
+    if node_version := os.environ.get("PYTHON_NODE_VERSION", None):
+        res = subprocess.run(
+            [
+                "bash",
+                "-c",
+                f"source ~/.nvm/nvm.sh && nvm which {node_version}",
+            ],
+            text=True,
+            capture_output=True,
+        )
+        host_runner = res.stdout
     pkg_config_path_dir = (PREFIX_DIR / "lib/pkgconfig/").resolve()
     env_additions = {
         "CONFIG_SITE": config_site,