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/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 15952.
UPDATING llvm SOURCES
Updating '.':
U    lib/DebugInfo/DWARF/DWARFFormValue.cpp
U    lib/DebugInfo/DWARF/DWARFDie.cpp
U    lib/Target/Mips/MipsAsmPrinter.h
U    lib/Target/X86/X86AsmPrinter.h
A    test/tools/llvm-dwarfdump/X86/diff.test
U    test/tools/llvm-dwarfdump/cmdline.test
U    include/llvm/DebugInfo/DIContext.h
U    docs/CommandGuide/llvm-dwarfdump.rst
U    tools/llvm-dwarfdump/llvm-dwarfdump.cpp
Updated to revision 320214.
-- Could NOT find LibXml2 (missing:  LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR) 
-- Native target architecture is X86
-- Threads enabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- Could NOT find OCaml (missing:  OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- OCaml bindings disabled.
-- Found Python module pygments
-- Found Python module yaml
-- LLVM host triple: x86_64-unknown-linux-gnu
-- LLVM default target triple: x86_64-unknown-linux-gnu
-- Building with -fPIC
-- Constructing LLVMBuild project information
-- Linker detection: GNU ld
-- Targeting AArch64
-- Targeting AMDGPU
-- Targeting ARM
-- Targeting BPF
-- Targeting Hexagon
-- Targeting Lanai
-- Targeting Mips
-- Targeting MSP430
-- Targeting NVPTX
-- Targeting PowerPC
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-- Targeting X86
-- Targeting XCore
-- Linker detection: GNU ld
-- Sphinx enabled.
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-- ISL version: isl-0.18-812-g565da6e
-- PPCG version: ppcg-0.07
CMake Error at tools/polly/unittests/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "IslTests".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)

Call Stack (most recent call first):
  tools/polly/unittests/Isl/CMakeLists.txt:1 (add_polly_unittest)


CMake Error at tools/polly/unittests/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "FlattenTests".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)

Call Stack (most recent call first):
  tools/polly/unittests/Flatten/CMakeLists.txt:1 (add_polly_unittest)


CMake Error at tools/polly/unittests/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "DeLICMTests".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)

Call Stack (most recent call first):
  tools/polly/unittests/DeLICM/CMakeLists.txt:1 (add_polly_unittest)


CMake Error at tools/polly/unittests/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ScopPassManagerTests".  All uses of target_link_libraries with
  a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)

Call Stack (most recent call first):
  tools/polly/unittests/ScopPassManager/CMakeLists.txt:1 (add_polly_unittest)


CMake Error at tools/polly/unittests/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ScheduleOptimizerTests".  All uses of target_link_libraries
  with a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)

Call Stack (most recent call first):
  tools/polly/unittests/ScheduleOptimizer/CMakeLists.txt:1 (add_polly_unittest)


-- Clang version: 6.0.0
CMake Error at tools/clang/tools/extra/clang-apply-replacements/tool/CMakeLists.txt:8 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-apply-replacements".  All uses of target_link_libraries
  with a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/clang-reorder-fields/tool/CMakeLists.txt:3 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-reorder-fields".  All uses of target_link_libraries with
  a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/modularize/CMakeLists.txt:14 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "modularize".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/clang-tidy/tool/CMakeLists.txt:14 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-tidy".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/change-namespace/tool/CMakeLists.txt:10 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-change-namespace".  All uses of target_link_libraries
  with a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/clang-query/tool/CMakeLists.txt:4 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-query".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/clang-move/tool/CMakeLists.txt:7 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-move".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/clangd/tool/CMakeLists.txt:11 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clangd".  All uses of target_link_libraries with a target must
  be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/include-fixer/tool/CMakeLists.txt:7 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "clang-include-fixer".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/include-fixer/find-all-symbols/tool/CMakeLists.txt:7 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "find-all-symbols".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/pp-trace/CMakeLists.txt:10 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "pp-trace".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/tool-template/CMakeLists.txt:9 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "tool-template".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/change-namespace/CMakeLists.txt:18 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ChangeNamespaceTests".  All uses of target_link_libraries with
  a target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/clang-apply-replacements/CMakeLists.txt:15 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ClangApplyReplacementsTests".  All uses of
  target_link_libraries with a target must be either all-keyword or
  all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/clang-move/CMakeLists.txt:18 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ClangMoveTests".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/clang-query/CMakeLists.txt:14 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ClangQueryTests".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/clang-tidy/CMakeLists.txt:21 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ClangTidyTests".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/clangd/CMakeLists.txt:20 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "ClangdTests".  All uses of target_link_libraries with a target
  must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/include-fixer/CMakeLists.txt:19 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "IncludeFixerTests".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



CMake Error at tools/clang/tools/extra/unittests/include-fixer/find-all-symbols/CMakeLists.txt:15 (target_link_libraries):
  The keyword signature for target_link_libraries has already been used with
  the target "FindAllSymbolsTests".  All uses of target_link_libraries with a
  target must be either all-keyword or all-plain.

  The uses of the keyword signature are here:

   * cmake/modules/LLVM-Config.cmake:105 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:771 (target_link_libraries)
   * cmake/modules/AddLLVM.cmake:1096 (target_link_libraries)



-- Sphinx enabled.
-- Sphinx enabled.
-- LLD version: 6.0.0
-- Sphinx enabled.
-- Sphinx enabled.
-- Configuring incomplete, errors occurred!
See also "/opt/sphinx-docs/build/llvm/CMakeFiles/CMakeOutput.log".
See also "/opt/sphinx-docs/build/llvm/CMakeFiles/CMakeError.log".
make[1]: *** [cmake_check_build_system] Error 1
make: *** [docs/CMakeFiles/docs-llvm-html.dir/rule] Error 2