From 536da1a22b8ca5cc1caaade7328404144bf44be6 Mon Sep 17 00:00:00 2001
From: Daniel Moody <daniel.moody@mongodb.com>
Date: Thu, 23 Jun 2022 19:50:22 +0000
Subject: SERVER-63616 added check to make sure macos version supports
 link-model dynamic

---
 SConstruct | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/SConstruct b/SConstruct
index 387397f26d2..4f0981ed9e0 100644
--- a/SConstruct
+++ b/SConstruct
@@ -6,6 +6,7 @@ import errno
 import json
 import os
 import re
+import platform
 import shlex
 import shutil
 import stat
@@ -737,6 +738,13 @@ add_option(
     type='choice',
 )
 
+add_option(
+    'force-macos-dynamic-link',
+    default=False,
+    action='store_true',
+    help='Bypass link-model=dynamic check for macos versions <12.',
+)
+
 try:
     with open("version.json", "r") as version_fp:
         version_data = json.load(version_fp)
@@ -1858,6 +1866,29 @@ if link_model.startswith('dynamic') and get_option('install-action') == 'symlink
         f"Options '--link-model={link_model}' not supported with '--install-action={get_option('install-action')}'."
     )
 
+if link_model.startswith('dynamic') and env.TargetOSIs(
+        'darwin') and not get_option('force-macos-dynamic-link'):
+
+    macos_version_message = textwrap.dedent("""\
+        link-model=dynamic us only supported on macos version 12 or higher.
+        This is due to a 512 dylib limit on older macos. See this post for
+        more information: https://developer.apple.com/forums//thread/708366?login=true&page=1#717495022
+        Use '--force-macos-dynamic-link' to bypass this check.
+        """)
+
+    try:
+        macos_version_major = int(platform.mac_ver()[0].split('.')[0])
+        if macos_version_major < 12:
+            env.FatalError(
+                textwrap.dedent(f"""\
+                Macos version detected: {macos_version_major}
+                """) + macos_version_message)
+    except (IndexError, TypeError) as exc:
+        env.FatalError(
+            textwrap.dedent(f"""\
+            Failed to detect macos version: {exc}
+            """) + macos_version_message)
+
 # libunwind configuration.
 # In which the following globals are set and normalized to bool:
 #     - use_libunwind
-- 
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