[clang] [Clang][CMake] Fix libclang.dylib not relinking when libclang.map changes (PR #189698)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Ryan Mansfield (rjmansfield)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/189698.diff


1 Files Affected:

- (modified) clang/tools/libclang/CMakeLists.txt (+4) 


``````````diff
diff --git a/clang/tools/libclang/CMakeLists.txt b/clang/tools/libclang/CMakeLists.txt
index 09322a424f488..71125f87a04b9 100644
--- a/clang/tools/libclang/CMakeLists.txt
+++ b/clang/tools/libclang/CMakeLists.txt
@@ -175,6 +175,10 @@ if(ENABLE_SHARED)
 
     set_property(TARGET libclang APPEND_STRING PROPERTY
                  LINK_FLAGS ${LIBCLANG_LINK_FLAGS})
+    # Ensure libclang.dylib is relinked when the exports file changes.
+    if (LLVM_EXPORTED_SYMBOL_FILE)
+      set_target_properties(libclang PROPERTIES LINK_DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
+    endif()
   else()
     set_target_properties(libclang
       PROPERTIES

``````````

</details>


https://github.com/llvm/llvm-project/pull/189698