# Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
# source code may only be used and distributed under the Widevine Master
# License Agreement.
{
  # Here you can override global gyp variables with platform-specific values.
  # See cdm.gyp for a complete list of settings you can override.
  'variables': {
    'asm_target_arch': 'x86-64',
  }, # end variables

  # Here you can set platform-specific compiler settings.
  'target_defaults': {
    # These are flags passed to the compiler for all C & C++ files.
    'cflags': [
      '-fPIC',
      '-fvisibility=hidden',
      '-fno-common',
      '-Wno-unknown-warning-option',

      # Enable many warnings, and treat warnings as errors. Note that, for
      # cross-compatibility reasons between GCC and Clang, we cannot just use
      # -Werror to treat warnings as errors, as GCC has no equivalent of
      # -Wno-unknown-warning-option.
      '-Werror=all',
      '-Werror=extra',
      '-Werror=unused',
      '-Werror=format=2',
      '-Werror=format-nonliteral',
      '-Werror=format-signedness',
      '-Werror=cast-align',
      '-Werror=return-type',
      '-Werror=shadow',

      '-Wno-unused-parameter',  # OEC Ref requires this
      '-Wno-dangling-else',  # Allowed by Google C++ Style
    ],
    # These are flags passed to the compiler for plain C only.
    'cflags_c': [
      # Compile using the C11 standard with POSIX extensions
      '-std=c11',
      '-D_POSIX_C_SOURCE=200809L',

      # Enable C-specific warnings
      '-Wbad-function-cast',
      '-Wno-error=bad-function-cast',
      '-Wcast-qual',
      '-Wno-error=cast-qual',
    ],
    # These are flags passed to the compiler for C++ only.
    'cflags_cc': [
      # Compile using the C++11 standard.
      '-std=c++11',
      # CE CDM does not use exceptions, and they are expensive.
      '-fno-exceptions',

      # Enable C++-specific warnings
      '-Werror=cast-qual',
      '-Werror=non-virtual-dtor',
      '-Werror=strict-null-sentinel',
      '-Werror=useless-cast',

      # TODO(b/156766290): We cannot enable these until we update to gTest 1.10
      # and update all our tests to use the new version of MOCK_METHOD that
      # allows specifying |override|.
      #
      #'-Werror=overloaded-virtual',
      #'-Werror=suggest-override',
      #'-Werror=zero-as-null-pointer-constant',

      '-Wdeprecated-declarations',
      '-Wno-error=deprecated-declarations',
    ],

    # These are flags passed to the linker.
    'ldflags': [
    ],

    # These are macros set by the compiler.
    'defines': [
      #'EXAMPLE_MACRO_WITH_NO_VALUE',
      #'EXAMPLE_KEY=EXAMPLE_VALUE',
    ],

    # These are additional include paths to search for headers.
    'include_dirs': [
      #'/usr/local/include',
    ],

    'target_conditions': [
      ['_toolset == "host"', {
        # These are settings specifically for the host toolchain.
        # The extra equals sign in the key name instructs gyp to replace
        # the generic settings above rather than append to them.
        'cflags=': [],

        'cflags_c=': [],

        'cflags_cc=': [],

        'ldflags=': [],

        'defines=': [],

        'include_dirs=': [],
      }], # end _toolset == "host" condition
    ], # end target_conditions

    'configurations': {
      # These are additional settings per build configuration.
      # You may specify any of the keys above in this section
      # (cflags, cflags_c, cflags_cc, ldflags, defines, include_dirs).
      'debug': {
        'cflags': [
          '-g3',

          '-fsanitize=address,undefined,float-divide-by-zero,bounds',
          '-fno-sanitize-recover=address,undefined,float-divide-by-zero,bounds',
          '-fsanitize-address-use-after-scope',
          # These are the flags recommended by the Address Sanitizer team when
          # enabling Address Sanitizer.
          '-U_FORTIFY_SOURCE',
          '-O1',
          '-fno-omit-frame-pointer',
          '-fno-inline',
          '-fno-optimize-sibling-calls',
        ],
        'cflags_cc': [
          # CE CDM does not use RTTI, but UBSan needs it for its vptr checks
          '-frtti',
        ],
        'defines': [
          '_DEBUG',
          '_GLIBCXX_DEBUG',
        ],
        'ldflags': [
          '-g3',
          '-fsanitize=address,undefined,float-divide-by-zero,bounds',
        ],
      },
      'release': {
        'cflags': [
          '-O2',
          '-g0',
        ],
        'cflags_cc': [
          # CE CDM does not use RTTI, and it is expensive.
          '-fno-rtti',
        ],
        'ldflags': [
          '-flto',
        ],
        'defines': [
          'NDEBUG',
        ],
      },
    }, # end configurations
  }, # end target_defaults
}