[PATCH] D112849: [llvm] Disable xar on macOS 12.0 and later

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere updated this revision to Diff 383511.
JDevlieghere added a comment.

Print a status message about the deprecation of the xar file format and corresponding cmake variable.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112849/new/

https://reviews.llvm.org/D112849

Files:
  llvm/cmake/config-ix.cmake


Index: llvm/cmake/config-ix.cmake
===================================================================
--- llvm/cmake/config-ix.cmake
+++ llvm/cmake/config-ix.cmake
@@ -213,7 +213,13 @@
 
 check_library_exists(xar xar_open "" LLVM_HAVE_LIBXAR)
 if(LLVM_HAVE_LIBXAR)
-  set(XAR_LIB xar)
+  message(STATUS "The xar file format has been deprecated: LLVM_HAVE_LIBXAR has might be removed in the future.")
+  # The xar file format has been deprecated since macOS 12.0.
+  if (CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 12)
+    set(LLVM_HAVE_LIBXAR 0)
+  else()
+    set(XAR_LIB xar)
+  endif()
 endif()
 
 # function checks


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