Update cpp/cmake_modules/ThirdpartyToolchain.cmake

cyb70289 · pitrou · web-flow · commit f972c6d9c98a · 2025-10-09T14:41:37.000+08:00
Co-authored-by: Antoine Pitrou &lt;pitrou@free.fr&gt;
diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake b/cpp/cmake_modules/ThirdpartyToolchain.cmake
@@ -2295,6 +2295,7 @@ if(ARROW_MIMALLOC)
       -DMI_BUILD_OBJECT=OFF
       -DMI_BUILD_SHARED=OFF
       -DMI_BUILD_TESTS=OFF
+      # GH-47229: Force mimalloc to generate armv8.0 binary
       -DMI_NO_OPT_ARCH=ON)
 
   externalproject_add(mimalloc_ep
