[llvm] af61b8e - [cmake] Add check_linker_flag import (#85128)

[via llvm-commits]

Author: Justice Adams
Date: 2024-03-13T14:42:04-07:00
New Revision: af61b8e8f18df2545017ade74baee7a8a8ca99f8

URL: https://github.com/llvm/llvm-project/commit/af61b8e8f18df2545017ade74baee7a8a8ca99f8
DIFF: https://github.com/llvm/llvm-project/commit/af61b8e8f18df2545017ade74baee7a8a8ca99f8.diff

LOG: [cmake] Add check_linker_flag import (#85128)

Fixing

```
CMake Error at cmake/llvm/AddLLVM.cmake:266 (check_linker_flag):
  Unknown CMake command "check_linker_flag".
```

Added: 
    

Modified: 
    llvm/cmake/modules/AddLLVM.cmake

Removed: 
    


################################################################################
diff  --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index eb9e6101bdce71..f6fb56eb51e833 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -263,6 +263,7 @@ if (NOT DEFINED LLVM_LINKER_DETECTED AND NOT WIN32)
   # -no_warn_duplicate_libraries, but only in versions of the linker that
   # support that flag.
   if(NOT LLVM_USE_LINKER AND ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    include(CheckLinkerFlag)
     check_linker_flag(C "-Wl,-no_warn_duplicate_libraries" LLVM_LINKER_SUPPORTS_NO_WARN_DUPLICATE_LIBRARIES)
   else()
     set(LLVM_LINKER_SUPPORTS_NO_WARN_DUPLICATE_LIBRARIES OFF CACHE INTERNAL "")