r371733 - [clang] [unittest] Import LLVMTestingSupport if necessary

[Michal Gorny via cfe-commits]

Author: mgorny
Date: Thu Sep 12 06:06:12 2019
New Revision: 371733

URL: http://llvm.org/viewvc/llvm-project?rev=371733&view=rev
Log:
[clang] [unittest] Import LLVMTestingSupport if necessary

Add LLVMTestingSupport directory from LLVM_MAIN_SRC_DIR when building
clang stand-alone and LLVMTestingSupport library is not present.  This
is needed to fix stand-alone builds without clang-tools-extra.

Differential Revision: https://reviews.llvm.org/D67452

Modified:
    cfe/trunk/unittests/CMakeLists.txt

Modified: cfe/trunk/unittests/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/CMakeLists.txt?rev=371733&r1=371732&r2=371733&view=diff
==============================================================================
--- cfe/trunk/unittests/CMakeLists.txt (original)
+++ cfe/trunk/unittests/CMakeLists.txt Thu Sep 12 06:06:12 2019
@@ -1,6 +1,15 @@
 add_custom_target(ClangUnitTests)
 set_target_properties(ClangUnitTests PROPERTIES FOLDER "Clang tests")
 
+if(CLANG_BUILT_STANDALONE)
+  # LLVMTestingSupport library is needed for some of the unittests.
+  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_clang_unittest(test_dirname file1.cpp file2.cpp)
 #
 # Will compile the list of files together and link against the clang