[www-scripts] Sphinx Doc Update: ERROR

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UPDATING cfe-analyzer SOURCES
Updating '.':
U    include/clang/Config/config.h.cmake
D    lib/StaticAnalyzer/Core/SMTConstraintManager.cpp
U    lib/StaticAnalyzer/Core/CMakeLists.txt
U    lib/StaticAnalyzer/Core/BugReporterVisitors.cpp
U    include/clang/Index/IndexingAction.h
U    include/clang/Basic/LangOptions.def
U    include/clang/Basic/SourceManager.h
U    include/clang/Basic/LangOptions.h
U    include/clang/Basic/BuiltinsAMDGPU.def
U    include/clang/Sema/Sema.h
U    include/clang/StaticAnalyzer/Checkers/Checkers.td
U    include/clang/StaticAnalyzer/Core/PathSensitive/SMTConv.h
A    include/clang/StaticAnalyzer/Core/PathSensitive/SMTAPI.h
U    include/clang/StaticAnalyzer/Core/PathSensitive/SMTConstraintManager.h
U    include/clang-c/Index.h
U    docs/analyzer/checkers.rst
U    bindings/python/clang/cindex.py
U    utils/TableGen/NeonEmitter.cpp
U    tools/libclang/CXCursor.cpp
U    tools/libclang/CIndex.cpp
U    unittests/Index/IndexTests.cpp
U    unittests/Tooling/ToolingTest.cpp
U    unittests/AST/ASTImporterTest.cpp
U    lib/Basic/Targets/AMDGPU.cpp
U    lib/Basic/Targets/PPC.h
U    lib/Basic/TargetInfo.cpp
U    lib/Sema/SemaExprCXX.cpp
U    lib/Sema/SemaExpr.cpp
U    lib/Sema/SemaOpenMP.cpp
U    lib/Sema/SemaInit.cpp
U    lib/Sema/SemaStmt.cpp
U    lib/AST/RecordLayoutBuilder.cpp
U    lib/AST/Type.cpp
U    lib/AST/ExprConstant.cpp
U    lib/Driver/ToolChains/Arch/RISCV.cpp
U    lib/Driver/ToolChains/Arch/AArch64.cpp
U    lib/Driver/Driver.cpp
U    lib/StaticAnalyzer/Checkers/CStringSyntaxChecker.cpp
U    lib/StaticAnalyzer/Checkers/CheckSecuritySyntaxOnly.cpp
A    lib/StaticAnalyzer/Checkers/OSObjectCStyleCast.cpp
U    lib/StaticAnalyzer/Checkers/CMakeLists.txt
U    lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
A    lib/StaticAnalyzer/Core/Z3ConstraintManager.cpp
U    lib/StaticAnalyzer/Core/MemRegion.cpp
U    lib/CodeGen/TargetInfo.cpp
U    lib/CodeGen/CGExprAgg.cpp
U    lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
U    lib/CodeGen/CGCall.cpp
U    lib/CodeGen/CGBlocks.cpp
U    lib/CodeGen/CGObjCGNU.cpp
U    lib/CodeGen/CGExprConstant.cpp
U    lib/CodeGen/ItaniumCXXABI.cpp
U    lib/CodeGen/CGObjCMac.cpp
U    lib/CodeGen/CGStmtOpenMP.cpp
U    lib/CodeGen/CGAtomic.cpp
U    lib/CodeGen/CGExpr.cpp
U    lib/CodeGen/CGCleanup.cpp
U    lib/CodeGen/CGOpenMPRuntime.cpp
U    CMakeLists.txt
U    test/lit.site.cfg.py.in
U    test/CMakeLists.txt
A    cmake/modules/FindZ3.cmake
U    lib/CodeGen/CGDebugInfo.cpp
U    lib/CodeGen/CGNonTrivialStruct.cpp
U    lib/CodeGen/CGObjC.cpp
U    lib/Index/IndexingContext.h
U    lib/Headers/emmintrin.h
U    lib/Headers/avxintrin.h
U    lib/ARCMigrate/ARCMT.cpp
U    test/Profile/cxx-stmt-initializers.cpp
U    test/Profile/cxx-lambda.cpp
U    test/CoverageMapping/unused_names.c
A    test/Analysis/osobjectcstylecastchecker_test.cpp
U    test/OpenMP/nvptx_target_exceptions_messages.cpp
U    test/CodeGen/powerpc_types.c
U    test/CodeGenOpenCL/builtins-amdgcn-dl-insts-err.cl
U    lib/CodeGen/CGDecl.cpp
U    lib/CodeGen/CGExprComplex.cpp
U    lib/Index/IndexDecl.cpp
U    lib/Headers/avx512vlintrin.h
U    lib/Headers/mmintrin.h
U    lib/Headers/xmmintrin.h
U    test/Profile/cxx-virtual-destructor-calls.cpp
U    test/Profile/cxx-rangefor.cpp
U    test/Analysis/cstring-syntax.c
A    test/CodeGenObjC/builtin-constant-p.m
U    test/CodeGenOpenCL/amdgpu-features.cl
U    test/SemaCXX/constant-expression-cxx11.cpp
U    cmake/caches/Fuchsia-stage2.cmake
U    lib/CodeGen/CGBuiltin.cpp
U    lib/CodeGen/CGBuilder.h
U    lib/Index/IndexingContext.cpp
U    lib/Headers/avx512bwintrin.h
U    lib/Headers/avx512fintrin.h
U    lib/Headers/avx512vlbwintrin.h
U    lib/Frontend/CompilerInvocation.cpp
U    test/Profile/cxx-templates.cpp
U    test/Profile/cxx-throws.cpp
U    test/Index/attributes.c
U    test/Analysis/security-syntax-checks.m
U    test/CodeGenObjC/encode-test.m
A    test/CodeGen/x86-vec-struct-packing.c
A    test/Modules/DebugInfo-fmodule-name.c
U    test/AST/ast-dump-wchar.cpp
Updated to revision 353698.
-- Could NOT find Z3 (missing:  Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.7.1")
CMake Error at cmake/modules/CheckCompilerVersion.cmake:40 (message):
  Host GCC version should be at least 5.1 because LLVM will soon use new C++
  features which your toolchain version doesn't support.  Your version is
  4.8.4.  You can temporarily opt out using
  LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN, but very soon your toolchain won't be
  supported.
Call Stack (most recent call first):
  cmake/modules/CheckCompilerVersion.cmake:45 (check_compiler_version)
  cmake/config-ix.cmake:13 (include)
  CMakeLists.txt:655 (include)


-- 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: *** [tools/clang/docs/CMakeFiles/docs-clang-html.dir/rule] Error 2