[www-scripts] Sphinx Doc Update: ERROR

[www-data via www-scripts]

/opt/tools/sphinx_update.sh: warning: removing stale lock file from PID 10133.
UPDATING llvm SOURCES
Updating '.':
D    unittests/IR/DataLayoutTest.cpp
U    unittests/IR/ConstantsTest.cpp
U    unittests/IR/FunctionTest.cpp
U    unittests/IR/CMakeLists.txt
U    lib/IR/DataLayout.cpp
U    lib/IR/Value.cpp
U    lib/IR/ConstantFold.cpp
U    lib/Target/ARM/ARMTargetMachine.cpp
U    test/CodeGen/Mips/GlobalISel/instruction-select/mul.mir
U    test/CodeGen/Mips/GlobalISel/legalizer/mul.mir
U    test/CodeGen/Mips/GlobalISel/llvm-ir/mul.ll
U    test/CodeGen/Mips/GlobalISel/regbankselect/mul.mir
U    include/llvm/IR/DataLayout.h
U    docs/LangRef.rst
U    utils/gn/secondary/llvm/unittests/IR/BUILD.gn
U    utils/gn/secondary/llvm/lib/Support/BUILD.gn
U    tools/llvm-readobj/ELFDumper.cpp
U    tools/yaml2obj/yaml2elf.cpp
U    lib/Analysis/IteratedDominanceFrontier.cpp
U    lib/Target/Mips/MipsInstructionSelector.cpp
U    lib/ExecutionEngine/Interpreter/Execution.cpp
U    lib/ObjectYAML/ELFYAML.cpp
U    lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
U    lib/Transforms/Scalar/LoopStrengthReduce.cpp
A    test/CodeGen/ARM/lsr-setupcost.ll
U    test/CodeGen/Hexagon/swp-epilog-phi5.ll
U    test/CodeGen/Hexagon/swp-carried-1.ll
A    test/Transforms/LoopVectorize/X86/interleaved-accesses-large-gap.ll
U    test/Transforms/LoopStrengthReduce/two-combinations-bug.ll
U    test/tools/llvm-readobj/elf-dynamic-tags.test
U    test/tools/llvm-objdump/eh_frame-coff.test
A    test/tools/yaml2obj/elf-header-elfdatanone.yaml
U    include/llvm/Support/CheckedArithmetic.h
U    include/llvm/Analysis/VectorUtils.h
Updated to revision 355616.
-- clang project is enabled
-- clang-tools-extra project is enabled
-- compiler-rt project is disabled
-- debuginfo-tests project is disabled
-- libclc project is disabled
-- libcxx project is enabled
-- libcxxabi project is disabled
-- libunwind project is disabled
-- lld project is enabled
-- lldb project is disabled
-- llgo project is disabled
-- llvm project is disabled
-- openmp project is disabled
-- parallel-libs project is disabled
-- polly project is disabled
-- pstl project is disabled
-- 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 pygments.lexers.c_cpp
-- 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
-- Targeting Sparc
-- Targeting SystemZ
-- Targeting WebAssembly
-- Targeting X86
-- Targeting XCore
-- Linker detection: GNU ld
-- Linker detection: GNU ld
-- there is no pre-generated ABI list for the requested libc++ configuration. check-cxx-abilist target is not supported
-- Sphinx enabled.
-- Clang version: 9.0.0
-- Could NOT find Z3 (missing:  Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.7.1")
-- Sphinx enabled.
-- Sphinx enabled.
-- LLD version: 9.0.0
-- Sphinx enabled.
-- Sphinx enabled.
-- Failed to find LLVM FileCheck
-- git Version: v0.0.0
-- Version: 0.0.0
-- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
-- Performing Test HAVE_POSIX_REGEX -- success
-- Performing Test HAVE_STEADY_CLOCK -- success
-- Configuring done
CMake Error at cmake/modules/AddLLVM.cmake:1376 (add_dependencies):
  The dependency target "clang-headers" of target "check-all" does not exist.
Call Stack (most recent call first):
  CMakeLists.txt:969 (add_lit_target)


CMake Error at tools/clang/tools/extra/clang-tidy/tool/CMakeLists.txt:11 (add_dependencies):
  The dependency target "clang-headers" of target "clang-tidy" does not
  exist.


CMake Error at cmake/modules/AddLLVM.cmake:1376 (add_dependencies):
  The dependency target "clang-headers" of target "check-clang-tools" does
  not exist.
Call Stack (most recent call first):
  cmake/modules/AddLLVM.cmake:1397 (add_lit_target)
  tools/clang/tools/extra/test/CMakeLists.txt:95 (add_lit_testsuite)


-- Generating done
-- Build files have been written to: /opt/sphinx-docs/build/llvm
make[1]: *** [cmake_check_build_system] Error 1
make: *** [docs/CMakeFiles/docs-llvm-html.dir/rule] Error 2