From 0522d41073179bb444e9c84ff6e29c022118505d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Sun, 5 May 2024 11:24:59 +0200
Subject: [PATCH] build: compile with C++20 support

---
 common_node.gypi  | 16 ++++++++++++++++
 tools/gyp_node.py |  4 ++++
 2 files changed, 20 insertions(+)
 create mode 100644 common_node.gypi

diff --git a/common_node.gypi b/common_node.gypi
new file mode 100644
index 00000000000000..0bfbf7283c0f57
--- /dev/null
+++ b/common_node.gypi
@@ -0,0 +1,16 @@
+{
+  'target_defaults': {
+    'conditions': [
+      # Override common.gypi config to use C++20 for Node.js core only.
+      ['OS in "linux freebsd openbsd solaris android aix os400 cloudabi"', {
+        'cflags_cc!': ['-std=gnu++17'],
+        'cflags_cc': ['-std=gnu++20'],
+      }],
+      ['OS=="mac" and clang==1', {
+        'xcode_settings': {
+          'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++20',  # -std=gnu++20
+        },
+      }],
+    ],
+  },
+}
diff --git a/tools/gyp_node.py b/tools/gyp_node.py
index 097e1a213ca559..905755a617e019 100755
--- a/tools/gyp_node.py
+++ b/tools/gyp_node.py
@@ -20,11 +20,15 @@ def run_gyp(args):
   a_path = node_root if sys.platform == 'win32' else os.path.abspath(node_root)
   args.append(os.path.join(a_path, 'node.gyp'))
   common_fn = os.path.join(a_path, 'common.gypi')
+  common_node_fn = os.path.join(a_path, 'common_node.gypi')
   options_fn = os.path.join(a_path, 'config.gypi')
 
   if os.path.exists(common_fn):
     args.extend(['-I', common_fn])
 
+  if os.path.exists(common_node_fn):
+    args.extend(['-I', common_node_fn])
+
   if os.path.exists(options_fn):
     args.extend(['-I', options_fn])