[lld] [lld] enable installing lld headers as part of distribution (PR #127123)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lld

Author: Maksim Levental (makslevental)

<details>
<summary>Changes</summary>

Currently if one does

```
set(LLVM_DISTRIBUTION_COMPONENTS
      lld
      lld-cmake-exports)
```

and then `ninja install-distribution` one does not get an `dist/include/lld` folder.

This PR fixes that.

---
Full diff: https://github.com/llvm/llvm-project/pull/127123.diff


1 Files Affected:

- (modified) lld/CMakeLists.txt (+10-1) 


``````````diff
diff --git a/lld/CMakeLists.txt b/lld/CMakeLists.txt
index 64c9f23805509..7beea1e15296e 100644
--- a/lld/CMakeLists.txt
+++ b/lld/CMakeLists.txt
@@ -180,12 +180,21 @@ include_directories(BEFORE
   ${CMAKE_CURRENT_SOURCE_DIR}/include
   )
 
+add_custom_target(lld-headers)
+set_target_properties(lld-headers PROPERTIES FOLDER "Misc")
 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
-  install(DIRECTORY include/
+  install(DIRECTORY include/lld
     DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+    COMPONENT lld-headers
     FILES_MATCHING
     PATTERN "*.h"
     )
+
+  if (NOT LLVM_ENABLE_IDE)
+    add_llvm_install_targets(install-lld-headers
+                             DEPENDS lld-headers
+                             COMPONENT lld-headers)
+  endif()
 endif()
 
 add_subdirectory(Common)

``````````

</details>


https://github.com/llvm/llvm-project/pull/127123