[llvm-bugs] [Bug 31104] New: Standalone LLDB build is broken because gtest is defined twice

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=31104

            Bug ID: 31104
           Summary: Standalone LLDB build is broken because gtest is
                    defined twice
           Product: Build scripts
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: cmake
          Assignee: unassignedbugs at nondot.org
          Reporter: eugene.zelenko at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

I encountered next problem when tried to build standalone LLDB:

CMake Error at pass2.build/lib64/cmake/llvm/AddLLVM.cmake:422 (add_library):
  add_library cannot create target "gtest" because an imported target with
  the same name already exists.
Call Stack (most recent call first):
  pass2.build/lib64/cmake/llvm/AddLLVM.cmake:560 (llvm_add_library)
  llvm-svn.src/utils/unittest/CMakeLists.txt:40 (add_llvm_library)


CMake Error at pass2.build/lib64/cmake/llvm/AddLLVM.cmake:531
(target_link_libraries):
  Cannot specify link libraries for target "gtest" which is not built by this
  project.
Call Stack (most recent call first):
  pass2.build/lib64/cmake/llvm/AddLLVM.cmake:560 (llvm_add_library)
  llvm-svn.src/utils/unittest/CMakeLists.txt:40 (add_llvm_library)


First time gtest is defined in:

pass2.build/lib64/cmake/llvm/LLVMBuildTreeOnlyTargets.cmake(42): 
add_library(gtest STATIC IMPORTED )

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