[PATCH] D45409: [cmake] Include LLVMTestingSupport when doing stand-alone build

[Michał Górny via Phabricator via cfe-commits]

mgorny created this revision.
mgorny added reviewers: simark, ilya-biryukov.
Herald added a subscriber: ioeric.

Explicitly include and build lib/Testing/Support from LLVM sources when
doing a stand-alone build. This is necessary since clangd tests started
to depend on LLVMTestingSupport library which is neither installed
by LLVM, nor built by clang itself.

Since completely separate build of clang-tools-extra is not supported,
this relies on variables set by clang CMakeLists.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D45409

Files:
  unittests/CMakeLists.txt


Index: unittests/CMakeLists.txt
===================================================================
--- unittests/CMakeLists.txt
+++ unittests/CMakeLists.txt
@@ -5,6 +5,15 @@
   add_unittest(ExtraToolsUnitTests ${test_dirname} ${ARGN})
 endfunction()
 
+if(CLANG_BUILT_STANDALONE)
+  # LLVMTestingSupport library is needed for clangd tests.
+  if (EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
+      AND NOT TARGET LLVMTestingSupport)
+    add_subdirectory(${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
+      lib/Testing/Support)
+  endif()
+endif()
+
 add_subdirectory(change-namespace)
 add_subdirectory(clang-apply-replacements)
 add_subdirectory(clang-move)


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