diff '--color=auto' -ur blender-4.5.5.orig/build_files/cmake/macros.cmake blender-4.5.5/build_files/cmake/macros.cmake
--- blender-4.5.5.orig/build_files/cmake/macros.cmake	2025-07-10 11:43:06.000000000 +0200
+++ blender-4.5.5/build_files/cmake/macros.cmake	2025-11-19 14:22:37.555424541 +0100
@@ -548,7 +548,7 @@
 
   # message(STATUS "Detecting SSE support")
   if(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
-    set(${_sse42_flags} "-march=x86-64-v2")
+    set(${_sse42_flags} "-msse4.2")
   elseif(MSVC)
     # MSVC has no specific build flags for SSE42, but when using intrinsics it will
     # generate the right instructions.