compiler_config_setting.bzl

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Author : Eugene Kliuchnikov
Date : 2019-04-12 13:57:42
Hash : 4b2b2d4f
Message : Update (#749) Update: * Bazel: fix MSVC configuration * C: common: extended documentation and helpers around distance codes * C: common: enable BROTLI_DCHECK in "debug" builds * C: common: fix implicit trailing zero in `kPrefixSuffix` * C: dec: fix possible bit reader discharge for "large-window" mode * C: dec: simplify distance decoding via lookup table * C: dec: reuse decoder state members memory via union with lookup table * C: dec: add decoder state diagram * C: enc: clarify access to static dictionary * C: enc: improve static dictionary hash * C: enc: add "stream offset" parameter for parallel encoding * C: enc: reorganize hasher; now Q2-Q3 require exactly 256KiB to avoid global TCMalloc lock * C: enc: fix rare access to uninitialized data in ring-buffer * C: enc: reorganize logging / checks in `write_bits.h` * Java: dec: add "large-window" support * Java: dec: improve speed * Java: dec: debug and 32-bit mode are now activated via system properties * Java: dec: demystify some state variables (use better names) * Dictionary generator: add single input mode * Java: dec: modernize tests * Bazel: js: pick working commit for closure rules

compiler_config_setting.bzl

# Copyright 2018 Google Inc. All Rights Reserved.
#
# Distributed under MIT license.
#  See file LICENSE for detail or copy at https://opensource.org/licenses/MIT

"""Creates config_setting that allows selecting based on 'compiler' value."""

def create_msvc_config():
  # The "do_not_use_tools_cpp_compiler_present" attribute exists to
  # distinguish between older versions of Bazel that do not support
  # "@bazel_tools//tools/cpp:compiler" flag_value, and newer ones that do.
  # In the future, the only way to select on the compiler will be through
  # flag_values{"@bazel_tools//tools/cpp:compiler"} and the else branch can
  # be removed.
  if hasattr(cc_common, "do_not_use_tools_cpp_compiler_present"):
    native.config_setting(
      name = "msvc",
      flag_values = {
          "@bazel_tools//tools/cpp:compiler": "msvc-cl",
      },
      visibility = ["//visibility:public"],
    )
  else:
    native.config_setting(
      name = "msvc",
      values = {"compiler": "msvc-cl"},
      visibility = ["//visibility:public"],
    )

kc3-lang/brotli/compiler_config_setting.bzl

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kc3-lang/brotli /compiler_config_setting.bzl