[PATCH] D122109: [CMake][Clang] Skip host link version detection for lld on Darwin

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
phosek added reviewers: smeenai, int3, oontvoo, thakis.
Herald added a subscriber: mgorny.
Herald added a project: All.
phosek requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

When lld is being used as host linker, skip version detection since
lld version cannot be used interchangeably with ld64 version and lld
is already handled specially in Clang driver.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122109

Files:
  clang/CMakeLists.txt


Index: clang/CMakeLists.txt
===================================================================
--- clang/CMakeLists.txt
+++ clang/CMakeLists.txt
@@ -403,7 +403,7 @@
 
 # Determine HOST_LINK_VERSION on Darwin.
 set(HOST_LINK_VERSION)
-if (APPLE)
+if (APPLE AND NOT CMAKE_LINKER MATCHES ".*lld.*")
   set(LD_V_OUTPUT)
   execute_process(
     COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1"


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