From 8f9b5ff8d68c29ecff0076ee1f061713636227c5 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 8 Jan 2025 09:17:58 -0500
Subject: [PATCH] liblzma: Disable inline assembly when compiled with
 conflicting flag

---
 Utilities/cmliblzma/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Utilities/cmliblzma/CMakeLists.txt b/Utilities/cmliblzma/CMakeLists.txt
index 3ba3ce952e..6ac02f0e0e 100644
--- a/Utilities/cmliblzma/CMakeLists.txt
+++ b/Utilities/cmliblzma/CMakeLists.txt
@@ -176,6 +176,11 @@ endif()
 
 ADD_LIBRARY(cmliblzma STATIC ${LZMA_SRCS})
 
+# Disable inline assembly in a case where it does not compile.
+if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND CMAKE_C_FLAGS MATCHES "-ftrapv")
+  set_property(SOURCE liblzma/lzma/lzma_decoder.c PROPERTY COMPILE_DEFINITIONS LZMA_RANGE_DECODER_CONFIG=0)
+endif()
+
 IF(CMAKE_C_COMPILER_ID STREQUAL "XL")
   # Disable the XL compiler optimizer because it causes crashes
   # and other bad behavior in liblzma code.