From 6d87780ad605495f9006aacde04daf614003ed6a Mon Sep 17 00:00:00 2001
From: Derek Bruening <bruening@google.com>
Date: Tue, 11 Feb 2025 15:37:00 -0500
Subject: [PATCH] i#6326 M1 hang: Work around M1 build hang

Works around a Mac M1 build hang on assembly configuration.

Tested on a local M1 machine where CMake configuration now finishes.

Issue: #6326
---
 make/cpp2asm_support.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/make/cpp2asm_support.cmake b/make/cpp2asm_support.cmake
index e9b1e77d8a7..faff09612ba 100644
--- a/make/cpp2asm_support.cmake
+++ b/make/cpp2asm_support.cmake
@@ -178,6 +178,8 @@ if (NOT "${CMAKE_GENERATOR}" MATCHES "Visual Studio")
     # NASM support was added in 2.8.3.  It clears ASM_DIALECT for us.
     enable_language(ASM_NASM)
   else (APPLE AND NOT AARCH64)
+    # XXX i#6326: Avoid a cmake hang by setting this.
+    set(CMAKE_ASM_LINKER_DEPFILE_SUPPORTED TRUE)
     enable_language(ASM)
   endif ()
 endif ()