message: build: turn off more LLVM options.
diff: @@ -85,7 +85,21 @@ envoy_cmake_external(
  envoy_cmake_external(
  name = "llvm",
  cache_entries = {
  + # Disable both: BUILD and INCLUDE, since some of the INCLUDE
  + # targets build code instead of only generating build files.
  + "LLVM_BUILD_DOCS": "off",
  + "LLVM_INCLUDE_DOCS": "off",
  + "LLVM_BUILD_EXAMPLES": "off",
  + "LLVM_INCLUDE_EXAMPLES": "off",
  + "LLVM_BUILD_RUNTIME": "off",
  + "LLVM_BUILD_RUNTIMES": "off",
  + "LLVM_INCLUDE_RUNTIMES": "off",
  + "LLVM_BUILD_TESTS": "off",
  + "LLVM_INCLUDE_TESTS": "off",
  "LLVM_BUILD_TOOLS": "off",
  + "LLVM_INCLUDE_TOOLS": "off",
  + "LLVM_BUILD_UTILS": "off",
  + "LLVM_INCLUDE_UTILS": "off",
  "LLVM_ENABLE_LIBEDIT": "off",
  "LLVM_ENABLE_LIBXML2": "off",
  "LLVM_ENABLE_TERMINFO": "off",
  