Removing custom CROSSTOOL and BUILD file for TF cpu builds as they are redundant now that bazel-toolchains repo is live

PiperOrigin-RevId: 172113861

2 files changed, 0 insertions, 1000 deletions

diff --git a/third_party/toolchains/cpus/BUILD b/third_party/toolchains/cpus/BUILD
deleted file mode 100644
index 45ec9f8c87..0000000000
--- a/third_party/toolchains/cpus/BUILD
+++ /dev/null
@@ -1,82 +0,0 @@
-# A build file to configure cc toolchain for CPU build used with Bazel remote
-# execution service
-# DO NOT EDIT: automatically generated BUILD file
-
-licenses(["restricted"])
-
-package(default_visibility = ["//visibility:public"])
-
-cc_library(
-    name = "malloc",
-)
-
-cc_library(
-    name = "stl",
-)
-
-filegroup(
-    name = "empty",
-    srcs = [],
-)
-
-filegroup(
-    name = "cc_wrapper",
-    srcs = ["cc_wrapper.sh"],
-)
-
-# This is the entry point for --crosstool_top.  Toolchains are found
-# by lopping off the name of --crosstool_top and searching for
-# the "${CPU}" entry in the toolchains attribute.
-cc_toolchain_suite(
-    name = "toolchain",
-    toolchains = {
-        "k8|clang": ":cc-compiler-k8",
-        "armeabi-v7a|compiler": ":cc-compiler-armeabi-v7a",
-        "ios_x86_64|compiler": ":cc-compiler-ios_x86_64",
-    },
-)
-
-cc_toolchain(
-    name = "cc-compiler-k8",
-    all_files = ":empty",
-    compiler_files = ":empty",
-    cpu = "k8",
-    dwp_files = ":empty",
-    dynamic_runtime_libs = [":empty"],
-    linker_files = ":empty",
-    objcopy_files = ":empty",
-    static_runtime_libs = [":empty"],
-    strip_files = ":empty",
-    supports_param_files = 1,
-)
-
-# Android tooling requires a default toolchain for the armeabi-v7a cpu.
-cc_toolchain(
-    name = "cc-compiler-armeabi-v7a",
-    all_files = ":empty",
-    compiler_files = ":empty",
-    cpu = "local",
-    dwp_files = ":empty",
-    dynamic_runtime_libs = [":empty"],
-    linker_files = ":empty",
-    objcopy_files = ":empty",
-    static_runtime_libs = [":empty"],
-    strip_files = ":empty",
-    supports_param_files = 1,
-)
-
-# ios crosstool configuration requires a default toolchain for the
-# ios_x86_64 cpu.
-cc_toolchain(
-    name = "cc-compiler-ios_x86_64",
-    all_files = ":empty",
-    compiler_files = ":empty",
-    cpu = "local",
-    dwp_files = ":empty",
-    dynamic_runtime_libs = [":empty"],
-    linker_files = ":empty",
-    objcopy_files = ":empty",
-    static_runtime_libs = [":empty"],
-    strip_files = ":empty",
-    supports_param_files = 1,
-)
diff --git a/third_party/toolchains/cpus/CROSSTOOL b/third_party/toolchains/cpus/CROSSTOOL
deleted file mode 100644
index 66039c2135..0000000000
--- a/third_party/toolchains/cpus/CROSSTOOL
+++ /dev/null
@@ -1,918 +0,0 @@
-# A crosstool configuration for CPU build used with Bazel remote
-# execution service
-# DO NOT EDIT: automatically generated file
-
-major_version: "local"
-minor_version: ""
-default_target_cpu: "same_as_host"
-
-default_toolchain {
-  cpu: "k8"
-  toolchain_identifier: "linux_gnu_x86"
-}
-
-default_toolchain {
-  cpu: "armeabi-v7a"
-  toolchain_identifier: "stub_armeabi-v7a"
-}
-
-default_toolchain {
-  cpu: "x64_windows_msvc"
-  toolchain_identifier: "msvc_x64"
-}
-
-default_toolchain {
-  cpu: "x64_windows_msys"
-  toolchain_identifier: "msys_x64"
-}
-
-default_toolchain {
-  cpu: "s390x"
-  toolchain_identifier: "linux_gnu_x86"
-}
-
-default_toolchain {
-  cpu: "ios_x86_64"
-  toolchain_identifier: "ios_x86_64"
-}
-
-# Android tooling requires a default toolchain for the armeabi-v7a cpu.
-toolchain {
-  abi_version: "armeabi-v7a"
-  abi_libc_version: "armeabi-v7a"
-  builtin_sysroot: ""
-  compiler: "compiler"
-  host_system_name: "armeabi-v7a"
-  needsPic: true
-  supports_gold_linker: false
-  supports_incremental_linker: false
-  supports_fission: false
-  supports_interface_shared_objects: false
-  supports_normalizing_ar: false
-  supports_start_end_lib: false
-  target_libc: "armeabi-v7a"
-  target_cpu: "armeabi-v7a"
-  target_system_name: "armeabi-v7a"
-  toolchain_identifier: "stub_armeabi-v7a"
-
-  tool_path { name: "ar" path: "/bin/false" }
-  tool_path { name: "compat-ld" path: "/bin/false" }
-  tool_path { name: "cpp" path: "/bin/false" }
-  tool_path { name: "dwp" path: "/bin/false" }
-  tool_path { name: "gcc" path: "/bin/false" }
-  tool_path { name: "gcov" path: "/bin/false" }
-  tool_path { name: "ld" path: "/bin/false" }
-
-  tool_path { name: "nm" path: "/bin/false" }
-  tool_path { name: "objcopy" path: "/bin/false" }
-  tool_path { name: "objdump" path: "/bin/false" }
-  tool_path { name: "strip" path: "/bin/false" }
-  linking_mode_flags { mode: DYNAMIC }
-}
-
-toolchain {
-  toolchain_identifier: "ios_x86_64"
-  host_system_name: "x86_64-apple-macosx"
-  target_system_name: "x86_64-apple-ios"
-  target_cpu: "ios_x86_64"
-  target_libc: "ios"
-  compiler: "compiler"
-  abi_version: "local"
-  abi_libc_version: "local"
-  supports_gold_linker: false
-  supports_incremental_linker: false
-  supports_fission: false
-  supports_interface_shared_objects: false
-  supports_normalizing_ar: false
-  supports_start_end_lib: false
-
-  tool_path { name: "ar" path: "/bin/false" }
-  tool_path { name: "compat-ld" path: "/bin/false" }
-  tool_path { name: "cpp" path: "/bin/false" }
-  tool_path { name: "dwp" path: "/bin/false" }
-  tool_path { name: "gcc" path: "/bin/false" }
-  tool_path { name: "gcov" path: "/bin/false" }
-  tool_path { name: "ld" path: "/bin/false" }
-
-  tool_path { name: "nm" path: "/bin/false" }
-  tool_path { name: "objcopy" path: "/bin/false" }
-  tool_path { name: "objdump" path: "/bin/false" }
-  tool_path { name: "strip" path: "/bin/false" }
-  linking_mode_flags { mode: DYNAMIC }
-}
-
-toolchain {
-  toolchain_identifier: "linux_gnu_x86"
-  abi_version: "clang"
-  abi_libc_version: "glibc_2.19"
-  builtin_sysroot: ""
-  compiler: "clang"
-  host_system_name: "i686-unknown-linux-gnu"
-  needsPic: true
-  supports_gold_linker: true
-  supports_incremental_linker: false
-  supports_fission: false
-  supports_interface_shared_objects: false
-  supports_normalizing_ar: false
-  supports_start_end_lib: true
-  target_libc: "glibc_2.19"
-  target_cpu: "k8"
-  target_system_name: "x86_64-unknown-linux-gnu"
-  cxx_flag: "-std=c++0x"
-  linker_flag: "-lstdc++"
-  linker_flag: "-lm"
-  linker_flag: "-fuse-ld=gold"
-  linker_flag: "-B/usr/local/bin"
-  linker_flag: "-B/usr/bin"
-  cxx_builtin_include_directory: "/usr/include/c++/4.9"
-  cxx_builtin_include_directory: "/usr/include/x86_64-linux-gnu/c++/4.9"
-  cxx_builtin_include_directory: "/usr/include/c++/4.9/backward"
-  cxx_builtin_include_directory: "/usr/local/include"
-  cxx_builtin_include_directory: "/usr/local/lib/clang/5.0.0/include"
-  cxx_builtin_include_directory: "/usr/include/x86_64-linux-gnu"
-  cxx_builtin_include_directory: "/usr/include"
-  objcopy_embed_flag: "-I"
-  objcopy_embed_flag: "binary"
-  unfiltered_cxx_flag: "-Wno-builtin-macro-redefined"
-  unfiltered_cxx_flag: "-D__DATE__=\"redacted\""
-  unfiltered_cxx_flag: "-D__TIMESTAMP__=\"redacted\""
-  unfiltered_cxx_flag: "-D__TIME__=\"redacted\""
-  compiler_flag: "-U_FORTIFY_SOURCE"
-  compiler_flag: "-fstack-protector"
-  compiler_flag: "-Wall"
-  compiler_flag: "-B/usr/local/bin"
-  compiler_flag: "-B/usr/bin"
-  compiler_flag: "-fcolor-diagnostics"
-  compiler_flag: "-fno-omit-frame-pointer"
-  tool_path {name: "ld" path: "/usr/bin/ld" }
-  tool_path {name: "cpp" path: "/usr/bin/cpp" }
-  tool_path {name: "dwp" path: "/usr/bin/dwp" }
-  tool_path {name: "gcov" path: "/usr/bin/gcov" }
-  tool_path {name: "nm" path: "/usr/bin/nm" }
-  tool_path {name: "objcopy" path: "/usr/bin/objcopy" }
-  tool_path {name: "objdump" path: "/usr/bin/objdump" }
-  tool_path {name: "strip" path: "/usr/bin/strip" }
-  tool_path {name: "gcc" path: "/usr/local/bin/clang" }
-  tool_path {name: "ar" path: "/usr/bin/ar" }
-
-  compilation_mode_flags {
-    mode: DBG
-    compiler_flag: "-g"
-  }
-  compilation_mode_flags {
-    mode: OPT
-    compiler_flag: "-g0"
-    compiler_flag: "-O2"
-    compiler_flag: "-D_FORTIFY_SOURCE=1"
-    compiler_flag: "-DNDEBUG"
-    compiler_flag: "-ffunction-sections"
-    compiler_flag: "-fdata-sections"
-    linker_flag: "-Wl,--gc-sections"
-  }
-  linking_mode_flags { mode: DYNAMIC }
-
-
-    feature {
-      name: 'coverage'
-      provides: 'profile'
-      flag_set {
-        action: 'preprocess-assemble'
-        action: 'c-compile'
-        action: 'c++-compile'
-        action: 'c++-header-parsing'
-        action: 'c++-header-preprocessing'
-        action: 'c++-module-compile'
-        flag_group {
-          flag: '-fprofile-arcs'
-          flag: '-ftest-coverage'
-      }
-
-
-
-      }
-      flag_set {
-        action: 'c++-link-interface-dynamic-library'
-        action: 'c++-link-dynamic-library'
-        action: 'c++-link-executable'
-        flag_group {
-          flag: '-lgcov'
-      }
-      }
-    }
-}
-
-toolchain {
-  toolchain_identifier: "msvc_x64"
-  host_system_name: "local"
-  target_system_name: "local"
-
-  abi_version: "local"
-  abi_libc_version: "local"
-  target_cpu: "x64_windows"
-  compiler: "cl"
-  target_libc: "msvcrt140"
-  default_python_version: "python2.7"
-
-
-
-  tool_path {
-    name: "ar"
-    path: ""
-  }
-  tool_path {
-    name: "cpp"
-    path: ""
-  }
-  tool_path {
-    name: "gcc"
-    path: ""
-  }
-  tool_path {
-    name: "gcov"
-    path: "wrapper/bin/msvc_nop.bat"
-  }
-  tool_path {
-    name: "ld"
-    path: ""
-  }
-  tool_path {
-    name: "nm"
-    path: "wrapper/bin/msvc_nop.bat"
-  }
-  tool_path {
-    name: "objcopy"
-    path: "wrapper/bin/msvc_nop.bat"
-  }
-  tool_path {
-    name: "objdump"
-    path: "wrapper/bin/msvc_nop.bat"
-  }
-  tool_path {
-    name: "strip"
-    path: "wrapper/bin/msvc_nop.bat"
-  }
-  supports_gold_linker: false
-  supports_start_end_lib: false
-  supports_interface_shared_objects: false
-  supports_incremental_linker: false
-  supports_normalizing_ar: true
-  needsPic: false
-
-  # TODO(pcloudy): Review those flags below, they should be defined by cl.exe
-  compiler_flag: "/DOS_WINDOWS=OS_WINDOWS"
-  compiler_flag: "/DCOMPILER_MSVC"
-
-  # Don't pollute with GDI macros in windows.h.
-  compiler_flag: "/DNOGDI"
-  # Don't define min/max macros in windows.h.
-  compiler_flag: "/DNOMINMAX"
-  compiler_flag: "/DPRAGMA_SUPPORTED"
-  # Platform defines.
-  compiler_flag: "/D_WIN32_WINNT=0x0600"
-  # Turn off warning messages.
-  compiler_flag: "/D_CRT_SECURE_NO_DEPRECATE"
-  compiler_flag: "/D_CRT_SECURE_NO_WARNINGS"
-  compiler_flag: "/D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS"
-  # Use math constants (M_PI, etc.) from the math library
-  compiler_flag: "/D_USE_MATH_DEFINES"
-
-  # Useful options to have on for compilation.
-  # Increase the capacity of object files to 2^32 sections.
-  compiler_flag: "/bigobj"
-  # Allocate 500MB for precomputed headers.
-  compiler_flag: "/Zm500"
-  # Use unsigned char by default.
-  compiler_flag: "/J"
-  # Use function level linking.
-  compiler_flag: "/Gy"
-  # Use string pooling.
-  compiler_flag: "/GF"
-  # Catch both asynchronous (structured) and synchronous (C++) exceptions.
-  compiler_flag: "/EHsc"
-
-  # Globally disabled warnings.
-  # Don't warn about elements of array being be default initialized.
-  compiler_flag: "/wd4351"
-  # Don't warn about no matching delete found.
-  compiler_flag: "/wd4291"
-  # Don't warn about diamond inheritance patterns.
-  compiler_flag: "/wd4250"
-  # Don't warn about insecure functions (e.g. non _s functions).
-  compiler_flag: "/wd4996"
-
-  linker_flag: "/MACHINE:X64"
-
-  linker_flag: "/SUBSYSTEM:CONSOLE"
-
-  feature {
-    name: "no_legacy_features"
-  }
-
-  # Suppress startup banner.
-  feature {
-    name: "nologo"
-    flag_set {
-      action: "c-compile"
-      action: "c++-compile"
-      action: "c++-module-compile"
-      action: "c++-module-codegen"
-      action: "c++-header-parsing"
-      action: "c++-header-preprocessing"
-      action: "assemble"
-      action: "preprocess-assemble"
-      action: "c++-link-executable"
-      action: "c++-link-dynamic-library"
-      action: "c++-link-static-library"
-      action: "c++-link-alwayslink-static-library"
-      action: "c++-link-pic-static-library"
-      action: "c++-link-alwayslink-pic-static-library"
-      flag_group {
-        flag: "/nologo"
-      }
-    }
-  }
-
-  feature {
-    name: "msvc_env"
-    env_set {
-      action: "c-compile"
-      action: "c++-compile"
-      action: "c++-module-compile"
-      action: "c++-module-codegen"
-      action: "c++-header-parsing"
-      action: "c++-header-preprocessing"
-      action: "assemble"
-      action: "preprocess-assemble"
-      action: "c++-link-executable"
-      action: "c++-link-dynamic-library"
-      action: "c++-link-static-library"
-      action: "c++-link-alwayslink-static-library"
-      action: "c++-link-pic-static-library"
-      action: "c++-link-alwayslink-pic-static-library"
-      env_entry {
-        key: "PATH"
-        value: ""
-      }
-      env_entry {
-        key: "INCLUDE"
-        value: ""
-      }
-      env_entry {
-        key: "LIB"
-        value: ""
-      }
-      env_entry {
-        key: "TMP"
-        value: ""
-      }
-    }
-  }
-
-  feature {
-    name: "use_linker"
-    env_set {
-      action: "c++-link-executable"
-      action: "c++-link-dynamic-library"
-      env_entry {
-        key: "USE_LINKER"
-        value: "1"
-      }
-    }
-  }
-
-  feature {
-    name: 'include_paths'
-    flag_set {
-      action: 'preprocess-assemble'
-      action: 'c-compile'
-      action: 'c++-compile'
-      action: 'c++-header-parsing'
-      action: 'c++-header-preprocessing'
-      action: 'c++-module-compile'
-      flag_group {
-        iterate_over: 'quote_include_paths'
-        flag: '/I%{quote_include_paths}'
-      }
-      flag_group {
-        iterate_over: 'include_paths'
-        flag: '/I%{include_paths}'
-      }
-      flag_group {
-        iterate_over: 'system_include_paths'
-        flag: '/I%{system_include_paths}'
-      }
-    }
-  }
-
-  # Stop adding any flag for dotD file, Bazel knows how to parse the output of /showIncludes option
-  # TODO(bazel-team): Remove this empty feature. https://github.com/bazelbuild/bazel/issues/2868
-  feature {
-    name: 'dependency_file'
-  }
-
-  # Tell Bazel to parse the output of /showIncludes
-  feature {
-    name: 'parse_showincludes'
-    flag_set {
-      action: 'assemble'
-      action: 'preprocess-assemble'
-      action: 'c-compile'
-      action: 'c++-compile'
-      action: 'c++-module-compile'
-      action: 'c++-header-preprocessing'
-      action: 'c++-header-parsing'
-      flag_group {
-        flag: "/showIncludes"
-      }
-    }
-  }
-
-  # Stop passing -frandom-seed option
-  feature {
-    name: 'random_seed'
-  }
-
-  # This feature is just for enabling flag_set in action_config for -c and -o options during the transitional period
-  feature {
-    name: 'compile_action_flags_in_flag_set'
-  }
-
-  action_config {
-    config_name: 'c-compile'
-    action_name: 'c-compile'
-    tool {
-      tool_path: ''
-    }
-    flag_set {
-      flag_group {
-        flag: '/c'
-        flag: '%{source_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_object_file'
-      flag_group {
-        flag: '/Fo%{output_object_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_assembly_file'
-      flag_group {
-        flag: '/Fa%{output_assembly_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_preprocess_file'
-      flag_group {
-        flag: '/P'
-        flag: '/Fi%{output_preprocess_file}'
-      }
-    }
-    implies: 'nologo'
-    implies: 'msvc_env'
-    implies: 'parse_showincludes'
-  }
-
-  action_config {
-    config_name: 'c++-compile'
-    action_name: 'c++-compile'
-    tool {
-      tool_path: ''
-    }
-    flag_set {
-      flag_group {
-        flag: '/c'
-        flag: '%{source_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_object_file'
-      flag_group {
-        flag: '/Fo%{output_object_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_assembly_file'
-      flag_group {
-        flag: '/Fa%{output_assembly_file}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'output_preprocess_file'
-      flag_group {
-        flag: '/P'
-        flag: '/Fi%{output_preprocess_file}'
-      }
-    }
-    implies: 'nologo'
-    implies: 'msvc_env'
-    implies: 'parse_showincludes'
-  }
-
-  action_config {
-    config_name: 'c++-link-executable'
-    action_name: 'c++-link-executable'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'linkstamps'
-    implies: 'output_execpath_flags'
-    implies: 'input_param_flags'
-    implies: 'legacy_link_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-    implies: 'use_linker'
-  }
-
-  action_config {
-    config_name: 'c++-link-dynamic-library'
-    action_name: 'c++-link-dynamic-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'shared_flag'
-    implies: 'linkstamps'
-    implies: 'output_execpath_flags'
-    implies: 'input_param_flags'
-    implies: 'has_configured_linker_path'
-    implies: 'legacy_link_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-    implies: 'use_linker'
-  }
-
-  action_config {
-    config_name: 'c++-link-static-library'
-    action_name: 'c++-link-static-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'archiver_flags'
-    implies: 'input_param_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-  }
-
-  action_config {
-    config_name: 'c++-link-alwayslink-static-library'
-    action_name: 'c++-link-alwayslink-static-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'archiver_flags'
-    implies: 'input_param_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-  }
-
-  # TODO(pcloudy): The following action_config is listed in MANDATORY_LINK_TARGET_TYPES.
-  # But do we really need them on Windows?
-  action_config {
-    config_name: 'c++-link-pic-static-library'
-    action_name: 'c++-link-pic-static-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'archiver_flags'
-    implies: 'input_param_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-  }
-
-  action_config {
-    config_name: 'c++-link-alwayslink-pic-static-library'
-    action_name: 'c++-link-alwayslink-pic-static-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'archiver_flags'
-    implies: 'input_param_flags'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-  }
-
-  action_config {
-    config_name: 'c++-link-interface-dynamic-library'
-    action_name: 'c++-link-interface-dynamic-library'
-    tool {
-      tool_path: ''
-    }
-    implies: 'nologo'
-    implies: 'linker_param_file'
-    implies: 'msvc_env'
-  }
-
-  feature {
-    name: 'generate_pdb_file'
-    requires: {
-      feature: 'dbg'
-    }
-    requires: {
-      feature: 'fastbuild'
-    }
-  }
-
-  feature {
-    name: 'has_configured_linker_path'
-  }
-
-  feature {
-    name: 'shared_flag'
-    flag_set {
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        flag: '/DLL'
-      }
-    }
-  }
-
-  feature {
-    name: 'linkstamps'
-    flag_set {
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      expand_if_all_available: 'linkstamp_paths'
-      flag_group {
-        iterate_over: 'linkstamp_paths'
-        flag: '%{linkstamp_paths}'
-      }
-    }
-  }
-
-  feature {
-    name: 'output_execpath_flags'
-    flag_set {
-      expand_if_all_available: 'output_execpath'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        flag: '/OUT:%{output_execpath}'
-      }
-    }
-  }
-
-  feature {
-    name: 'archiver_flags'
-    flag_set {
-      expand_if_all_available: 'output_execpath'
-      action: 'c++-link-static-library'
-      action: 'c++-link-alwayslink-static-library'
-      action: 'c++-link-pic-static-library'
-      action: 'c++-link-alwayslink-pic-static-library'
-      flag_group {
-        flag: '/OUT:%{output_execpath}'
-      }
-    }
-  }
-
-  feature {
-    name: 'input_param_flags'
-    flag_set {
-      expand_if_all_available: 'library_search_directories'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        iterate_over: 'library_search_directories'
-        flag: "-L%{library_search_directories}"
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'libopts'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        iterate_over: 'libopts'
-        flag: '%{libopts}'
-      }
-    }
-    flag_set {
-      expand_if_all_available: 'libraries_to_link'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      action: 'c++-link-static-library'
-      action: 'c++-link-alwayslink-static-library'
-      action: 'c++-link-pic-static-library'
-      action: 'c++-link-alwayslink-pic-static-library'
-      flag_group {
-        iterate_over: 'libraries_to_link'
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'object_file_group'
-          }
-          iterate_over: 'libraries_to_link.object_files'
-          flag_group {
-            flag: '%{libraries_to_link.object_files}'
-          }
-        }
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'object_file'
-          }
-          flag_group {
-            flag: '%{libraries_to_link.name}'
-          }
-        }
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'interface_library'
-          }
-          flag_group {
-            expand_if_false: 'libraries_to_link.is_whole_archive'
-            flag: '%{libraries_to_link.name}'
-          }
-          flag_group {
-            expand_if_true: 'libraries_to_link.is_whole_archive'
-            flag: '/WHOLEARCHIVE:%{libraries_to_link.name}'
-          }
-        }
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'static_library'
-          }
-          flag_group {
-            expand_if_false: 'libraries_to_link.is_whole_archive'
-            flag: '%{libraries_to_link.name}'
-          }
-          flag_group {
-            expand_if_true: 'libraries_to_link.is_whole_archive'
-            flag: '/WHOLEARCHIVE:%{libraries_to_link.name}'
-          }
-        }
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'dynamic_library'
-          }
-          flag_group {
-            expand_if_false: 'libraries_to_link.is_whole_archive'
-            flag: '%{libraries_to_link.name}'
-          }
-          flag_group {
-            expand_if_true: 'libraries_to_link.is_whole_archive'
-            flag: '/WHOLEARCHIVE:%{libraries_to_link.name}'
-          }
-        }
-        flag_group {
-          expand_if_equal: {
-            variable: 'libraries_to_link.type'
-            value: 'versioned_dynamic_library'
-          }
-          flag_group {
-            expand_if_false: 'libraries_to_link.is_whole_archive'
-            flag: '%{libraries_to_link.name}'
-          }
-          flag_group {
-            expand_if_true: 'libraries_to_link.is_whole_archive'
-            flag: '/WHOLEARCHIVE:%{libraries_to_link.name}'
-          }
-        }
-      }
-    }
-  }
-
-  feature {
-    name: 'legacy_link_flags'
-    flag_set {
-      expand_if_all_available: 'legacy_link_flags'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        iterate_over: 'legacy_link_flags'
-        flag: '%{legacy_link_flags}'
-      }
-    }
-  }
-
-  feature {
-    name: 'linker_param_file'
-    flag_set {
-      expand_if_all_available: 'linker_param_file'
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      action: 'c++-link-static-library'
-      action: 'c++-link-alwayslink-static-library'
-      action: 'c++-link-pic-static-library'
-      action: 'c++-link-alwayslink-pic-static-library'
-      flag_group {
-        flag: '@%{linker_param_file}'
-      }
-    }
-  }
-
-  feature {
-    name: 'link_crt_library'
-    flag_set {
-      action: 'c-compile'
-      action: 'c++-compile'
-      flag_group {
-        # The flag is filled by cc_configure.
-        # The default option is /MT, set USE_DYNAMIC_CRT=1 to change it to /MD
-        flag: ""
-      }
-    }
-    flag_set {
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-      # The flag is filled by cc_configure.
-        # The default value is libcmt.lib, set USE_DYNAMIC_CRT=1 to change it to msvcrt.lib
-        flag: "/DEFAULTLIB:"
-      }
-    }
-  }
-
-  feature {
-    name: 'link_crt_debug_library'
-    flag_set {
-      action: 'c-compile'
-      action: 'c++-compile'
-      flag_group {
-        # The flag is filled by cc_configure.
-        # The default option is /MTd, set USE_DYNAMIC_CRT=1 to change it to /MDd
-        flag: ""
-      }
-    }
-    flag_set {
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        # The flag is filled by cc_configure.
-        # The default value is libcmtd.lib, set USE_DYNAMIC_CRT=1 to change it to msvcrtd.lib
-        flag: "/DEFAULTLIB:"
-      }
-    }
-  }
-
-  feature {
-    name: 'dbg'
-    flag_set {
-      action: 'c-compile'
-      action: 'c++-compile'
-      flag_group {
-        flag: "/Od"
-        flag: "/Z7"
-        # This will signal the wrapper that we are doing a debug build, which sets
-        # some internal state of the toolchain wrapper. It is intentionally a "-"
-        # flag to make this very obvious.
-        flag: "-g"
-      }
-    }
-    flag_set {
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        flag: "/DEBUG:FULL"
-        flag: "/INCREMENTAL:NO"
-      }
-    }
-    implies: 'link_crt_debug_library'
-    implies: 'generate_pdb_file'
-  }
-
-  feature {
-    name: 'fastbuild'
-    flag_set {
-      action: 'c-compile'
-      action: 'c++-compile'
-      flag_group {
-        flag: "/Od"
-        flag: "/Z7"
-      }
-    }
-    flag_set {
-      action: 'c++-link-executable'
-      action: 'c++-link-dynamic-library'
-      flag_group {
-        flag: "/DEBUG:FASTLINK"
-        flag: "/INCREMENTAL:NO"
-      }
-    }
-    implies: 'link_crt_library'
-    implies: 'generate_pdb_file'
-  }
-
-  feature {
-    name: 'opt'
-    flag_set {
-      action: 'c-compile'
-      action: 'c++-compile'
-      flag_group {
-        flag: "/O2"
-      }
-    }
-    implies: 'link_crt_library'
-  }
-
-
-
-}