[clang] 8216910 - clang/cmake: Use installed gtest libraries for stand-alone builds

Tom Stellard via cfe-commits cfe-commits at lists.llvm.org
Fri Mar 10 20:01:05 PST 2023


Author: Tom Stellard
Date: 2023-03-10T20:00:23-08:00
New Revision: 82169103958583d3320b3a9a1e6542e8d32ef8da

URL: https://github.com/llvm/llvm-project/commit/82169103958583d3320b3a9a1e6542e8d32ef8da
DIFF: https://github.com/llvm/llvm-project/commit/82169103958583d3320b3a9a1e6542e8d32ef8da.diff

LOG: clang/cmake: Use installed gtest libraries for stand-alone builds

(re-commit of cb38df4c4d3aee53107219a68749dc94fe70ff68 with the correct commit message)

Reviewed By: phosek, kwk

Differential Revision: https://reviews.llvm.org/D138472

Added: 
    

Modified: 
    clang/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
index be59c199f05f..1fff005d6525 100644
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -118,12 +118,10 @@ if(CLANG_BUILT_STANDALONE)
         set(LLVM_UTILS_PROVIDED ON)
         set(CLANG_TEST_DEPS FileCheck count not)
       endif()
-      set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/unittest)
-      if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
-          AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
-          AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
-        add_subdirectory(${UNITTEST_DIR} third-party/unittest)
-      endif()
+    endif()
+
+    if (NOT TARGET llvm_gtest)
+        message(FATAL_ERROR "llvm-gtest not found. Please install llvm-gtest or disable tests with -DLLVM_INCLUDE_TESTS=OFF")
     endif()
 
     if(LLVM_LIT)
@@ -506,13 +504,11 @@ endif()
 
 
 if( CLANG_INCLUDE_TESTS )
-  if(EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest/googletest/include/gtest/gtest.h)
-    add_subdirectory(unittests)
-    list(APPEND CLANG_TEST_DEPS ClangUnitTests)
-    list(APPEND CLANG_TEST_PARAMS
-      clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
-      )
-  endif()
+  add_subdirectory(unittests)
+  list(APPEND CLANG_TEST_DEPS ClangUnitTests)
+  list(APPEND CLANG_TEST_PARAMS
+    clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg
+  )
   add_subdirectory(test)
   add_subdirectory(bindings/python/tests)
 


        


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