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

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere created this revision.
JDevlieghere added reviewers: arphaman, t.p.northover, phosek.
Herald added a subscriber: mgorny.
JDevlieghere requested review of this revision.
Herald added a project: LLVM.

The xar file format has been deprecated since macOS 12.0, causing a warning to be printed:

  warning: 'xar_open' is deprecated: first deprecated in macOS 12.0 - xar is a deprecated file format and should not be used.

Disable xar support when the macosx deployment target is greater or equal to 12.0.


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 +213,12 @@
 
 check_library_exists(xar xar_open "" LLVM_HAVE_LIBXAR)
 if(LLVM_HAVE_LIBXAR)
-  set(XAR_LIB xar)
+  # 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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